| Waterfront Name | Cottages For Sale | Size Ha (Median 84Ha) | Depth (m) (Median 14m) | Altitude (m asl) (Median 290m) | WetlandArea % (Median 9%) | Phosphorus ug/L (Median 8.50ug/L) | Water Clarity m (Median 3.20m) | Drainage Basin | Municipality | Geographic Township | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ada Lake Muskoka Lakes | 28 | 4 | 233 | 17 % | 18.80 ug/L | 2.00 m | Lake Muskoka | Muskoka Lakes | Medora | 45.0909996 | -79.6399994 | |
| Adams Lake Lake of Bays | 6 | 11 | 381 | 3.00 m | Big East River | Lake of Bays | Sinclair | 45.4099998 | -79.0780029 | |||
| Ahmic Lake Ryerson | 2 | 1567 | 27 | 275 | 2.80 m | Magnetawan River | Ryerson | Ryerson | 45.6290016 | -79.6940002 | ||
| Ainslie Lake Whitestone | 10 | 4 | 245 | 1.80 m | Magnetawan River | Whitestone | McKenzie | 45.6790009 | -79.9950027 | |||
| Allans Lake Algonquin Highlands | 6 | 11 | 442 | 2.00 m | Hollow River | Algonquin Highlands | McClintock | 45.3629990 | -78.7860031 | |||
| Angel Lake Lake of Bays | 14 | 4 | 335 | 1.00 m | North Muskoka River | Lake of Bays | McLean | 45.1749992 | -79.1930008 | |||
| Arbuckle Lake Algonquin Highlands | 22 | 7 | 412 | 3.00 m | Oxtongue River | Algonquin Highlands | McClintock | 45.3720016 | -78.8190002 | |||
| Armstrong Lake McKellar | 21 | 13 | 244 | 3.00 m | Seguin River | McKellar | McKellar | 45.5120010 | -79.9150009 | |||
| Arrowhead Lake Huntsville | 62 | 13 | 335 | 2.20 m | Big East River | Huntsville | Chaffey | 45.3969994 | -79.2009964 | |||
| Atkins Lake Bracebridge | 12 | 14 | 21 % | 8.00 ug/L | 3.00 m | North Muskoka River | Bracebridge | Macaulay | 45.1185989 | -79.2282028 | ||
| Axe Lake McMurrich | 265 | 13 | 323 | 1.20 m | North Muskoka River | McMurrich | Stisted | 45.3909988 | -79.5059967 | |||
| Axle Lake Lake of Bays | 20 | 10 | 2 % | 6.20 ug/L | 4.40 m | Lake of Bays | Lake of Bays | 45.1752777 | -79.1241684 | |||
| Ayers Lake Kearney | 3 | 2 | 427 | Magnetawan River | Kearney | Proudfoot | 45.6549988 | -79.0979996 | ||||
| Bacon Lake Unorganized | 43 | 14 | 366 | 8.00 m | South River | Unorganized | Laurier | 45.8810005 | -79.3489990 | |||
| Bard Lake McDougall | 7 | 2 | 234 | Seguin River | McDougall | McDougall | 45.3750000 | -79.9520035 | ||||
| Barkway Lake Gravenhurst | 9 | 3 | 268 | 1.00 m | Kahshe River | Gravenhurst | Ryde | 44.9020004 | -79.1630020 | |||
| Barnes Lake Muskoka Lakes | 67 | 7 | 312 | 3.60 m | Skeleton River | Muskoka Lakes | Cardwell | 45.2531013 | -79.5132980 | |||
| Barrons Lake Georgian Bay | 55 | 3 | 181 | 1.00 m | Georgian Bay | Georgian Bay | Baxter | 44.8300018 | -79.7470016 | |||
| Bass Lake Gravenhurst | 37 | 4 | 252 | 10 % | 21.10 ug/L | 2.10 m | Kahshe River | Gravenhurst | Ryde | 44.8717995 | -79.2085037 | |
| Bass Lake Muskoka Lakes | 98 | 12 | 229 | 4 % | 6.80 ug/L | 3.60 m | Muskoka River | Muskoka Lakes | Medora | 45.1063995 | -79.6976013 | |
| Bastedo Lake Muskoka Lakes | 15 | 12 | 6 % | 7.50 ug/L | 4.70 m | Gibson River | Muskoka Lakes | 44.9406013 | -79.5380020 | |||
| Bat Lake McDougall | 36 | 5 | 243 | 4.10 m | Shawanaga River | McDougall | Ferguson | 45.5439987 | -80.0029984 | |||
| Baxter Lake Georgian Bay | 44 | 23 | 183 | 3.20 m | Severn River | Georgian Bay | Baxter | 44.8790016 | -79.7529984 | |||
| Bay Lake Perry | 135 | 23 | 366 | 4.90 m | Little East River | Perry | Perry | 45.5060768 | -79.2098007 | |||
| Bear Lake Algonquin Highlands | 92 | 36 | 355 | 5.90 m | Hollow River | Algonquin Highlands | Livingstone | 45.3405991 | -78.7080994 | |||
| Bear Lake McMurrich | 325 | 7 | 315 | 2.30 m | McMurrich | Monteith | 45.4399986 | -79.5849991 | ||||
| Bearpaw Lake Gravenhurst | 28 | 10 | 229 | 26 % | 14.10 ug/L | 1.50 m | Morrison Creek | Gravenhurst | Wood | 44.9308014 | -79.4954987 | |
| Bearshead Lake Georgian Bay | 20 | 9 | 178 | 2.00 m | Georgian Bay | Georgian Bay | Baxter | 44.9049988 | -79.8290024 | |||
| Beast Lake Algonquin Highlands | 8 | 8 | 412 | 2.00 m | Oxtongue River | Algonquin Highlands | McClintock | 45.3629990 | -78.8280029 | |||
| Beautiful Lake Unorganized | 20 | 13 | 412 | 4.00 m | South River | Unorganized | Laurier | 45.9020004 | -79.3180008 | |||
| Beaver Lake Kearney | 94 | 24 | 335 | 3.10 m | Magnetawan River | Kearney | Bethune | 45.5800018 | -79.2089996 | |||
| Beaver Lake Magnetawan | 295 | 11 | 277 | 2.20 m | Lower Magnetawan River | Magnetawan | Croft | 45.5800018 | -79.2089996 | |||
| Beech Lake Kawartha Lakes | 1 | 124 | 26 | 335 | Kawartha Lakes | 44.7355919 | -78.8464279 | |||||
| Beers Lake Seguin | 20 | 4 | 2.80 m | Moon River | Seguin | Conger | 45.2333641 | -79.8359299 | ||||
| Bell Lake McDougall | 57 | 8 | 215 | 2.90 m | Seguin River | McDougall | McDougall | 45.4169998 | -80.0179977 | |||
| Bella Lake Lake of Bays | 327 | 40 | 356 | 6 % | 6.80 ug/L | 4.60 m | Big East River | Lake of Bays | Sinclair | 45.4449997 | -79.0309982 | |
| Bells Lake Magnetawan | 42 | 13 | 315 | 4.80 m | Magnetawan River | Magnetawan | Spence | 45.6020012 | -79.6800003 | |||
| Ben Lake Gravenhurst | 33 | 10 | 267 | 8 % | 8.70 ug/L | 4.00 m | Kahshe River | Gravenhurst | Ryde | 44.8909988 | -79.2040024 | |
| Benson Lake Lake of Bays | 35 | 17 | 362 | 3.60 m | Big East River | Lake of Bays | Sinclair | 45.4119987 | -79.0680008 | |||
| Bernard Lake Strong | 1 | 2050 | 48 | 330 | 4.30 m | Magnetawan River | Strong | Strong | 45.7379990 | -79.3840027 | ||
| Bevan Lake Perry | 5 | 9 | 351 | 2.00 m | Magnetawan River | Perry | Perry | 45.5629997 | -79.2590027 | |||
| Big Deer Lake Whitestone | 160 | 18 | 305 | Ferrie River | Whitestone | Ferrie | 45.7675018 | -79.7508011 | ||||
| Big Hoover Lake Lake of Bays | 10 | 12 | 412 | 5.00 m | Oxtongue River | Lake of Bays | Finlayson | 45.4480019 | -78.9530029 | |||
| Big Stephen Lake Lake of Bays | 36 | 10 | 351 | 1.40 m | North Muskoka River | Lake of Bays | McLean | 45.1650009 | -79.1940002 | |||
| Bigwind Lake Bracebridge | 108 | 36 | 335 | 7 % | 5.90 ug/L | 5.00 m | South Muskoka River | Bracebridge | Oakley | 45.0556984 | -79.0560989 | |
| Bing Lake Huntsville | 26 | 14 | 4 % | 5.70 ug/L | 4.70 m | Huntsville | 45.4384003 | -79.2274017 | ||||
| Bird Lake Bracebridge | 63 | 7 | 308 | 9 % | 10.10 ug/L | 3.00 m | South Muskoka River | Bracebridge | Oakley | 45.0445900 | -79.0633392 | |
| Bird Lake Archipelago | 15 | 9 | 182 | 3.90 m | Sturgeon Bay | Archipelago | Harrison | 45.6100006 | -80.3870010 | |||
| Bittern Lake Perry | 56 | 7 | 328 | 2.10 m | Buck River | Perry | Perry | 45.4418983 | -79.3035965 | |||
| Black Lake Muskoka Lakes | 51 | 3 | 244 | 19 % | 16.60 ug/L | 2.00 m | Lake Muskoka | Muskoka Lakes | Wood | 45.0000000 | -79.5589981 | |
| Black Lake Lake of Bays | 61 | 16 | 396 | 4.10 m | Lake of Bays | Lake of Bays | Ridout | 45.1688919 | -78.9049988 | |||
| Black Lake Whitestone | 25 | 4 | 243 | 2.80 m | Magnetawan River | Whitestone | Burton | 45.6349983 | -80.1729965 | |||
| Black Oak Lake Archipelago | 87 | 19 | 201 | 2.40 m | Shawanaga River | Archipelago | Shawanaga | 45.5550003 | -80.2249985 | |||
| Blackie Lake Kearney | 5 | 4 | 396 | 2.00 m | Big East River | Kearney | Bethune | 45.5340004 | -79.1299973 | |||
| Blackstone Lake Archipelago | 516 | 58 | 200 | 4.70 m | Blackstone River | Archipelago | Conger | 45.2150002 | -79.8850021 | |||
| Blackwater Lake McKellar | 82 | 8 | 236 | 3.10 m | Seguin River | McKellar | McKellar | 45.4259987 | -79.8180008 | |||
| Blackwell Lake Lake of Bays | 1 | 7 | 374 | 4.00 m | Oxtongue River | Lake of Bays | Franklin | 45.3409996 | -78.9520035 | |||
| Bloody Lake Algonquin Highlands | 18 | 6 | 412 | 2.00 m | Hollow River | Algonquin Highlands | Livingstone | 45.3660011 | -78.7720032 | |||
| Blue Chalk Lake Lake of Bays | 50 | 22 | 335 | 5.60 m | Black River | Lake of Bays | Ridout | 45.1980019 | -78.9380035 | |||
| Blue Lake Lake of Bays | 5 | 17 | 351 | Black River | Lake of Bays | Ridout | 45.1800003 | -78.9229965 | ||||
| Blue Lake Seguin | 25 | 18 | 207 | Boyne River | Seguin | Foley | 45.2779999 | -79.9950027 | ||||
| Blue Lake Whitestone | 5 | 12 | 273 | 4.70 m | Whitestone River | Whitestone | Hagerman | 45.6370010 | -79.9309998 | |||
| Blue Lake Kearney | 8 | 6 | 360 | 5.00 m | Magnetewan River | Kearney | Proudfoot | 45.6819992 | -79.2509995 | |||
| Bluepaint Lake Algonquin Highlands | 7 | 13 | 358 | 9.00 m | Hollow River | Algonquin Highlands | Livingstone | 45.3310013 | -78.6999969 | |||
| Bluesky Lake Joly | 33 | 8 | 415 | 3.00 m | North Magnetawan River | Joly | Joly | 45.7480011 | -79.1780014 | |||
| Bonnie Lake Bracebridge | 42 | 22 | 320 | 0 % | 5.30 ug/L | 5.60 m | North Muskoka River | Bracebridge | Macaulay | 45.1399994 | -79.2610016 | |
| Boshkung Lake Algonquin Highlands | 715 | 71 | 307 | 5.00 m | Gull River | Algonquin Highlands | 45.0641670 | -78.7269440 | ||||
| Bottle Lake Parry Sound | 1 | 212 | Boyne River | Parry Sound | Foley | 45.3300018 | -80.0139999 | |||||
| Boundary Lake Whitestone | 8 | 5 | 242 | Whitestone River | Whitestone | Burton | 45.6419983 | -80.0550003 | ||||
| Boundary Lake Archipelago | 61 | 13 | 190 | 2.40 m | Spider Lake | Archipelago | Conger | 45.2150002 | -80.0139999 | |||
| Boy Lake McDougall | 39 | 20 | 229 | 6.20 m | Seguin River | McDougall | McDougall | 45.4309998 | -79.9950027 | |||
| Boyd Lake Whitestone | 13 | 7 | Shawanaga River | Whitestone | East Burpee | 45.5909996 | -80.0159988 | |||||
| Brandy Lake Muskoka Lakes | 2 | 117 | 8 | 244 | 20 % | 18.50 ug/L | 1.30 m | Muskoka River | Muskoka Lakes | Monck | 45.1077003 | -79.5251999 |
| Bray Lake Machar | 340 | 16 | 345 | 3.50 m | South River | Machar | Machar | 45.9030991 | -79.4747009 | |||
| Brennan Lake Seguin | 17 | 5 | 238 | 2.60 m | Haines Creek | Seguin | Foley | 45.3100014 | -79.8850021 | |||
| Bridge Lake Kearney | 38 | 7 | 434 | 1.00 m | Big East River | Kearney | Bethune | 45.5649986 | -79.0400009 | |||
| Bright Lake Algonquin Highlands | 24 | 19 | 457 | 3.50 m | Oxtongue River | Algonquin Highlands | McClintock | 45.4220009 | -78.8249969 | |||
| Brooks Lake Lake of Bays | 17 | 5 | 412 | 0 % | 10.40 ug/L | 3.60 m | Oxtongue River | Lake of Bays | Sinclair | 45.4556999 | -78.9987030 | |
| Brophy Lake McDougall | 18 | 12 | 225 | 2.40 m | Blair Creek | McDougall | Ferguson | 45.5180016 | -80.0690002 | |||
| Brothersons Lake Muskoka Lakes | 57 | 21 | 221 | 2.20 m | Gibson River | Muskoka Lakes | Wood | 44.9249992 | -79.5800018 | |||
| Bruce Lake Muskoka Lakes | 1 | 91 | 6 | 238 | 7 % | 9.70 ug/L | 4.30 m | Lake Rosseau | Muskoka Lakes | Medora | 45.1860008 | -79.6429977 |
| Brush Lake Seguin | 25 | 13 | 256 | 6.00 m | Lake Rosseau | Seguin | Humphrey | 45.2709999 | -79.7570038 | |||
| Buchanan Lake Algonquin Highlands | 9 | 13 | 412 | 2.00 m | Algonquin Highlands | McClintock | 45.3289986 | -78.8249969 | ||||
| Buck Lake Lake of Bays | 1 | 40 | 27 | 378 | 7.20 ug/L | 8.00 m | Lake of Bays | Lake of Bays | Sinclair | 45.3919983 | -78.9909973 | |
| Buck Lake Georgian Bay | 1 | 25 | 15 | 180 | 3.50 m | Georgian Bay | Georgian Bay | Baxter | 44.9059982 | -79.7929993 | ||
| Buck Lake Gravenhurst | 1 | 82 | 13 | 244 | Kahshe River | Gravenhurst | Ryde | 44.9015007 | -79.2470016 | |||
| Buck Lake McMurrich | 1 | 264 | 23 | 300 | 1.40 m | North Muskoka River | McMurrich | McMurrich | 45.4160004 | -79.3949966 | ||
| Buck Lake Kearney | 1 | 96 | 46 | 423 | 8.80 m | Magnetawan River | Kearney | Proudfoot | 45.6899986 | -79.1671982 | ||
| Bucke Lake Unincorporated | 27 | 5 | 189 | 2.00 m | Key River | Unincorporated | Mowat | 45.9560013 | -80.5699997 | |||
| Buckhorn Lake Georgian Bay | 39 | 7 | 210 | 1.80 m | Moon River | Georgian Bay | Freeman | 45.0979996 | -79.8519974 | |||
| Bunn Lake Muskoka Lakes | 6 | 6 | 320 | 2.00 m | Dee River | Muskoka Lakes | Watt | 45.1910019 | -79.4950027 | |||
| Burns Lake Lake of Bays | 12 | 15 | 419 | 1.00 m | Lake of Bays | Lake of Bays | Franklin | 45.3629990 | -78.9830017 | |||
| Burnt Lake Archipelago | 1 | 22 | 11 | 225 | 6.80 m | Moon River | Archipelago | Conger | 45.2299995 | -79.8440018 | ||
| Butterfield Lake Joly | 4 | 7 | 381 | North Magnetawan River | Joly | Joly | 45.8190002 | -79.2200012 | ||||
| Butterfly Lake Muskoka Lakes | 65 | 6 | 233 | 12 % | 13.70 ug/L | 3.40 m | Lake Muskoka | Muskoka Lakes | Medora | 45.0894394 | -79.6302795 | |
| Cain Lake Muskoka Lakes | 10 | 16 | 198 | 5.00 m | Severn River | Muskoka Lakes | Wood | 44.9099998 | -79.6230011 | |||
| Camel Lake Muskoka Lakes | 57 | 14 | 290 | 5 % | 8.20 ug/L | 3.10 m | Dee River | Muskoka Lakes | Watt | 45.1590004 | -79.4219971 | |
| Camp Lake Lake of Bays | 189 | 43 | 418 | 2 % | 3.90 ug/L | 6.60 m | Big East River | Lake of Bays | Finlayson | 45.4389954 | -78.9081192 | |
| Capton Lake Seguin | 21 | 24 | 243 | Seguin River | Seguin | Foley | 45.3310013 | -79.8870010 | ||||
| Cardwell Lake Muskoka Lakes | 20 | 21 | 20 % | 8.70 ug/L | 2.30 m | Rosseau River | Muskoka Lakes | 45.3328018 | -79.4925003 | |||
| Carmen Lake Magnetawan | 21 | 3 | 335 | 1.20 m | Distress River | Magnetawan | Chapman | 45.6730003 | -79.5609970 | |||
| Cassidy Lake Muskoka Lakes | 48 | 9 | 229 | 18 % | 9.50 ug/L | 4.60 m | Moon River | Muskoka Lakes | Medora | 45.0989990 | -79.7180023 | |
| Cecebe Lake Magnetawan | 770 | 20 | 280 | 2.80 m | Magnetawan River | Magnetawan | Chapman | 45.6409988 | -79.5820007 | |||
| Cheer Lake Magnetawan | 88 | 8 | 361 | 1.80 m | Distress River | Magnetawan | Strong | 45.7739983 | -79.5159988 | |||
| Cherry Island Lake Muskoka Lakes | 3 | 6 | 229 | 3.00 m | Skeleton River | Muskoka Lakes | Watt | 45.2150002 | -79.4440002 | |||
| Chub Lake Lake of Bays | 1 | 33 | 27 | 366 | 9 % | 9.60 ug/L | 3.60 m | South Muskoka River | Lake of Bays | Ridout | 45.2130013 | -78.9820023 |
| Chub Lake Huntsville | 1 | 27 | 12 | 7 % | 9.70 ug/L | 2.70 m | Mary Lake | Huntsville | Brunel | 45.2955017 | -79.2350998 | |
| Circular Lake Lake of Bays | 8 | 9 | 335 | Black River | Lake of Bays | Ridout | 45.1230011 | -78.9800034 | ||||
| Clam Lake Kearney | 71 | 19 | 366 | 4.00 m | Magnetawan River | Kearney | Bethune | 45.5289993 | -79.1579971 | |||
| Clark Lake Huntsville | 1 | 27 | 5 | 15 % | 10.50 ug/L | 1.40 m | Little East River | Huntsville | Chaffey | 45.4033012 | -79.2947006 | |
| Clear Lake Bracebridge | 2 | 100 | 25 | 331 | 2 % | 5.50 ug/L | 6.40 m | Upper Black River | Bracebridge | Oakley | 45.0400009 | -79.0189972 |
| Clear Lake Muskoka Lakes | 2 | 149 | 17 | 244 | 0 % | 6.60 ug/L | 7.40 m | Lake Muskoka | Muskoka Lakes | Wood | 44.9836006 | -79.5541992 |
| Clear Lake Whitestone | 2 | 83 | 5 | 242 | 2.00 m | Whitestone | Burton | 45.6380005 | -80.1179962 | |||
| Clear Lake Seguin | 2 | 218 | 44 | 252 | 7.00 m | Little Seguin River | Seguin | Humphrey | 45.2610016 | -79.7979965 | ||
| Clear Lake Perry | 2 | 110 | 28 | 351 | 5.40 m | Magnetawan River | Perry | Perry | 45.5050011 | -79.2610016 | ||
| Clearwater Lake Huntsville | 86 | 8 | 320 | 1 % | 5.50 ug/L | 6.80 m | North Muskoka River | Huntsville | Stephenson | 45.2031288 | -79.2328339 | |
| Clearwater Lake Gravenhurst | 70 | 30 | 259 | 5 % | 4.80 ug/L | 5.40 m | Severn River | Gravenhurst | Morrison | 44.8072014 | -79.2435989 | |
| Clinto Lake Algonquin Highlands | 142 | 21 | 425 | 7.70 m | Lake of Bays | Algonquin Highlands | McClintock | 45.3139992 | -78.8679962 | |||
| Cochrane Lake Seguin | 20 | 6 | 202 | Seguin River | Seguin | Foley | 45.3209991 | -79.9369965 | ||||
| Coldwater Lake Georgian Bay | 44 | 195 | Gibson River | Georgian Bay | Gibson | 44.9949989 | -79.8040009 | |||||
| Cole Lake Carling | 38 | 7 | 190 | 2.40 m | Shebeshekong River | Carling | Carling | 45.4179993 | -80.1640015 | |||
| Compass Lake McMurrich | 53 | 6 | 340 | 3.70 m | Buck River | McMurrich | McMurrich | 45.4879990 | -79.3830032 | |||
| Concession Lake Muskoka Lakes | 22 | 7 | 244 | 3.00 m | Lake Muskoka | Muskoka Lakes | Medora | 45.0760002 | -79.6729965 | |||
| Cooper Lake Lake of Bays | 31 | 12 | 320 | 3 % | 8.50 ug/L | 5.00 m | Lake of Bays | Lake of Bays | Franklin | 45.3450012 | -79.0039978 | |
| Cornall Lake Gravenhurst | 25 | 10 | 14 % | 9.60 ug/L | 2.40 m | Severn River | Gravenhurst | 44.8914986 | -79.3287964 | |||
| Cramadog Lake McDougall | 22 | 9 | 205 | 5.00 m | Seguin River | McDougall | McDougall | 45.3899994 | -79.9420013 | |||
| Cranberry Lake Archipelago | 46 | 2 | 190 | 1.50 m | Sturgeon Bay | Archipelago | Harrison | 45.6279984 | -80.4479980 | |||
| Crane Lake Archipelago | 513 | 32 | 200 | 4.60 m | Blackstone River | Archipelago | Conger | 45.2039986 | -79.9270020 | |||
| Crane Lake Algonquin Highlands | 4 | 10 | 457 | 3.00 m | Hollow River | Algonquin Highlands | Livingstone | 45.4099998 | -78.7630005 | |||
| Crawford Lake Magnetawan | 105 | 7 | 275 | 2.00 m | Lower Magnetawan River | Magnetawan | Croft | 45.6030006 | -79.7440033 | |||
| Crosson Lake Bracebridge | 57 | 26 | 0 % | 10.00 ug/L | 2.90 m | Upper Black River | Bracebridge | Oakley | 45.0844002 | -79.0350037 | ||
| Crotch Lake Lake of Bays | 9 | 15 | 381 | 5.00 m | Lake of Bays | Lake of Bays | Sinclair | 45.3880005 | -78.9680023 | |||
| Crown Lake Algonquin Highlands | 137 | 32 | 473 | Oxtongue River | Algonquin Highlands | Livingstone | 45.4309998 | -78.6729965 | ||||
| Crozier Lake Ryerson | 18 | 350 | 3.00 m | Magnetawan River | Ryerson | Ryerson | 45.6479988 | -79.4869995 | ||||
| Dagger Lake Algonquin Highlands | 30 | 6 | 442 | 3.40 m | Hollow River | Algonquin Highlands | Livingstone | 45.4010010 | 78.6299973 | |||
| Dark Lake Muskoka Lakes | 17 | 11 | 0 % | 8.60 ug/L | 3.60 m | Lake Muskoka | Muskoka Lakes | Wood | 44.9977989 | -79.5848007 | ||
| Darlingtons Lake Parry Sound | 21 | 26 | 200 | 6.60 m | Seguin River | Parry Sound | McDougall | 45.3670006 | -80.0329971 | |||
| De Bois Lake Whitestone | 89 | 238 | Whitestone River | Whitestone | Hagerman | 45.6570015 | -80.0090027 | |||||
| Deer Lake Gravenhurst | 1 | 136 | 10 | 232 | 9 % | 5.90 ug/L | 5.30 m | Lake Muskoka | Gravenhurst | Wood | 44.9580002 | -79.4570007 |
| Deer Lake Armour | 1 | 122 | 9 | 343 | 3.30 m | Magnetawan River | Armour | Armour | 45.5789986 | -79.2750015 | ||
| Deer Lake Unorganized | 1 | 394 | 15 | 335 | 3.50 m | Commanda Creek | Unorganized | Lount | 45.8128014 | -79.5742035 | ||
| Devine Lake Huntsville | 40 | 9 | 305 | 7 % | 11.40 ug/L | 2.40 m | North Muskoka River | Huntsville | Stephenson | 45.1920013 | -79.2279968 | |
| Dickie Lake Lake of Bays | 91 | 12 | 366 | 14 % | 8.60 ug/L | 3.10 m | South Muskoka River | Lake of Bays | McLean | 45.1495018 | -79.0866013 | |
| Docker Lake Lake of Bays | 5 | 10 | 396 | 3.00 m | Lake of Bays | Lake of Bays | Franklin | 45.3429985 | -78.9889984 | |||
| Doe Lake Gravenhurst | 38 | 3 | 257 | 20 % | 13.60 ug/L | 1.50 m | Kahshe River | Gravenhurst | Muskoka | 44.9235001 | -79.2838974 | |
| Doe Lake Ryerson | 1187 | 23 | 295 | 2.50 m | Magnetawan River | Ryerson | Ryerson | 45.5309982 | -79.4169998 | |||
| Dollars Lake Unincorporated | 971 | 28 | 210 | 2.20 m | Pickerel River | Unincorporated | McConkey | 45.9500008 | -80.2170029 | |||
| Dotty Lake Lake of Bays | 159 | 27 | 379 | 6 % | 6.80 ug/L | 3.40 m | Oxtongue River | Lake of Bays | Sinclair | 45.4620018 | -78.9909973 | |
| Drag Lake Haliburton | Haliburton | 45.0709076 | -78.4059143 | |||||||||
| Duck Lake Seguin | 1 | 87 | 16 | 230 | 2.90 m | Seguin River | Seguin | Christie | 45.3800011 | -79.8030014 | ||
| Duffy Lake East Muskoka Lakes | 31 | 8 | 236 | 4.30 m | Moon River | Muskoka Lakes | Medora | 45.0629997 | -79.6930008 | |||
| Duffy Lake West Muskoka Lakes | 43 | 8 | 236 | 2.40 m | Moon River | Muskoka Lakes | Medora | 45.0639992 | -79.7040024 | |||
| Dutcher Lake McKellar | 75 | 17 | 295 | 6.10 m | Manitouwabing River | McKellar | McKellar | 45.4580002 | -79.7509995 | |||
| Dyson Lake Seguin | 91 | 17 | 244 | 5.20 m | Lake Muskoka | Seguin | Humphrey | 45.2159996 | -79.6520004 | |||
| Eagle Lake Machar | 1 | 943 | 22 | 356 | 5.00 m | Distress River | Machar | Machar | 45.8328018 | -79.5008011 | ||
| East Buck Lake Bracebridge | 12 | 6 | 297 | 2.00 m | South Muskoka River | Bracebridge | Oakley | 45.0330009 | -79.0830002 | |||
| Eastell Lake Lake of Bays | 12 | 11 | 381 | 3.00 m | Lake of Bays | Lake of Bays | Sinclair | 45.3969994 | -79.0230026 | |||
| Echo Lake Muskoka Lakes | 1 | 93 | 13 | 229 | 3.30 m | Lake Muskoka | Muskoka Lakes | Wood | 44.9690018 | -79.5429993 | ||
| Echo Lake Lake of Bays | 1 | 223 | 12 | 333 | 12 % | 6.80 ug/L | 3.10 m | South Muskoka River | Lake of Bays | MacLean | 45.1769981 | -79.0660019 |
| Eighteen Mile Lake Algonquin Highlands | 45 | 23 | 363 | 6.00 m | Lake of Bays | Algonquin Highlands | McClintock | 45.3820000 | -78.9619980 | |||
| Emsdale Lake Kearney | 61 | 22 | 367 | 6.80 m | Big East River | Kearney | Bethune | 45.5159988 | 79.1969986 | |||
| Fairholme Lake Whitestone | 70 | 24 | 265 | 4.70 m | Seguin River | Whitestone | Hagerman | 45.5769997 | -79.9029999 | |||
| Fairy Lake Huntsville | 1 | 699 | 69 | 284 | 5 % | 8.30 ug/L | 3.10 m | North Muskoka River | Huntsville | Brunel | 45.3292007 | -79.1813965 |
| Faris Lake Seguin | 16 | 17 | 245 | 6.30 m | Little Seguin River | Seguin | Foley | 45.3470001 | -79.8980026 | |||
| Fawn Lake Gravenhurst | 19 | 3 | 253 | 1.00 m | Kahshe River | Gravenhurst | Draper | 44.9160004 | -79.2570038 | |||
| Fawn Lake Bracebridge | 84 | 8 | 290 | 21 % | 15.30 ug/L | 1.70 m | North Muskoka River | Bracebridge | Macauley | 45.1719017 | -79.2472000 | |
| Fifteen Mile Lake Lake of Bays | 81 | 33 | 378 | 6 % | 5.10 ug/L | 5.80 m | Lake of Bays | Lake of Bays | Franklin | 45.3497009 | -78.9625015 | |
| First Lake Seguin | 28 | 4 | 230 | 3.90 m | Blackstone River | Seguin | Foley | 45.2840004 | -79.8690033 | |||
| Fish Lake Perry | 101 | 2 | 319 | 0.50 m | Little East River | Perry | Perry | 45.4550018 | -79.2330017 | |||
| Flaxman Lake Seguin | 63 | 27 | 245 | 6.00 m | Blackstone River | Seguin | Christie | 45.3349991 | -79.8259964 | |||
| Fletcher Lake Algonquin Highlands | 255 | 23 | 410 | Hollow River | Algonquin Highlands | McClintock | 45.3539238 | -78.7816010 | ||||
| Foote Lake Kearney | 127 | 11 | 369 | Big East River | Kearney | Bethune | 45.4760017 | -79.1740036 | ||||
| Forest Lake Joly | 322 | 17 | 335 | South River | Joly | Joly | 45.8240013 | -79.2919998 | ||||
| Forget Lake Archipelago | 27 | 21 | 213 | 6.50 m | Blackstone River | Archipelago | Conger | 45.2540016 | -79.9059982 | |||
| Fox Lake Huntsville | 142 | 12 | 298 | 3 % | 12.00 ug/L | 2.00 m | Mary Lake | Huntsville | Stisted | 45.3800011 | -79.3550034 | |
| Frank Lake Kearney | 21 | 5 | 366 | 2.50 m | North Magnetawan River | Kearney | Proudfoot | 45.6469994 | -79.2409973 | |||
| Frau Lake Bracebridge | 1 | 7 | 9 | 319 | Bracebridge | Draper | 45.0479012 | -79.2014923 | ||||
| Galla Lake Georgian Bay | 49 | 8 | 10 % | 7.30 ug/L | 3.50 m | Moon River | Georgian Bay | Freeman | 45.0586014 | -79.8556976 | ||
| Gartersnake Lake Bracebridge | 31 | 17 | 274 | 12 % | 13.10 ug/L | 2.50 m | Kahshe River | Bracebridge | Draper | 44.9620018 | -79.1274033 | |
| Gibson Lake Georgian Bay | 263 | 14 | 200 | 18 % | 10.20 ug/L | 2.80 m | Gibson River | Georgian Bay | Gibson | 44.9630013 | -79.7519989 | |
| Gilbank Lake Seguin | 19 | 17 | 236 | 4.00 m | Little Seguin River | Seguin | Humphrey | 45.2949982 | -79.7440033 | |||
| Gilleach Lake Bracebridge | 38 | 18 | 320 | 10 % | 9.70 ug/L | 3.00 m | North Muskoka River | Bracebridge | Macaulay | 45.1580009 | -79.2180023 | |
| Giroux Lake Unincorporated | 115 | 6 | 185 | 1.80 m | Giroux River | Unincorporated | Wallbridge | 45.7140007 | -80.5100021 | |||
| Glendening Lake Seguin | 42 | 9 | 265 | 4.50 m | Little Seguin River | Seguin | Christie | 45.3160019 | -79.8010025 | |||
| Glouster Pool Georgian Bay | 1377 | 30 | 6.00 ug/L | 5.50 m | Georgian Bay | Baxter | 44.8484535 | -79.7020264 | ||||
| Go Home Lake Georgian Bay | 670 | 32 | 10 % | 6.60 ug/L | 3.50 m | Moon River | Georgian Bay | Georgian Bay | 45.0077019 | -79.8435974 | ||
| Golden City Lake Huntsville | 16 | 14 | 320 | 14 % | 12.70 ug/L | 2.40 m | Mary Lake | Huntsville | Stisted | 45.3139992 | -79.4160004 | |
| Good Lake Monteith | 32 | 5 | 315 | Seguin River | Monteith | Monteith | 45.4440002 | -79.6650009 | ||||
| Gordonier Lake Bracebridge | 1 | 8 | 10 | 313 | 2.00 m | South Muskoka River | Bracebridge | Draper | 45.0429993 | -79.2180023 | ||
| Gosling Lake Lake of Bays | 19 | 9 | 366 | 2.00 m | Lake of Bays | Lake of Bays | Franklin | 45.2900009 | -78.9319992 | |||
| Grandview Lake Lake of Bays | 74 | 28 | 335 | 2 % | 5.60 ug/L | 5.70 m | South Muskoka River | Lake of Bays | Ridout | 45.2008018 | -79.0513992 | |
| Grass Lake Kearney | 138 | 37 | 372 | 5.20 m | Magnetawan River | Kearney | Proudfoot | 45.6790009 | -79.2030029 | |||
| Greens Lake Huntsville | 17 | 19 | 381 | 3.00 m | Big East River | Huntsville | Chaffey | 45.4440002 | -79.1660004 | |||
| Grey Owl Lake McKellar | 159 | 8 | 250 | 3.40 m | Manitouwabing River | McKellar | McKellar | 45.5200005 | -79.9420013 | |||
| Grindstone Lake Lake of Bays | 32 | 26 | 8 % | 13.30 ug/L | 4.10 m | Upper Black River | Lake of Bays | 45.1992989 | -78.8781967 | |||
| Groom Lake Kearney | 59 | 13 | 368 | Magnetawan River | Kearney | Bethune | 45.5390015 | -79.1839981 | ||||
| Groves Lake Huntsville | 23 | 321 | Mary Lake | Huntsville | Stephenson | 45.2570000 | -79.3899994 | |||||
| Grundy Lake Unincorporated | 62 | 12 | 185 | 2.00 m | Key River | Unincorporated | Mowat | 45.9329987 | -80.5589981 | |||
| Gull Lake Gravenhurst | 1 | 134 | 8 | 248 | 5 % | 6.90 ug/L | 3.20 m | Lake Muskoka | Gravenhurst | Muskoka | 44.9140015 | -79.3509979 |
| Gullwing Lake Muskoka Lakes | 84 | 9 | 224 | 17 % | 11.90 ug/L | 2.60 m | Lake Muskoka | Muskoka Lakes | Wood | 44.9791985 | -79.5388031 | |
| Gurd Lake Unincorporated | 75 | 6 | 200 | 1.70 m | Key River | Unincorporated | Mowat | 45.9273148 | -80.5477448 | |||
| Haggart Lake Georgian Bay | 33 | 4 | 235 | 12 % | 9.50 ug/L | 1.50 m | Moon River | Georgian Bay | Freeman | 45.1080017 | -79.7470016 | |
| Haines Lake McDougall | 112 | 19 | 185 | 2.80 m | Seguin River | McDougall | McDougall | 45.3499985 | -79.9479980 | |||
| Halfway Lake Bracebridge | 14 | 3 | 8 % | 12.70 ug/L | 1.80 m | North Muskoka River | Bracebridge | 45.1096992 | -79.2270966 | |||
| Haliburton Lake Dysart et al | 1 | 957 | Dysart et al | 45.1856194 | -78.3921356 | |||||||
| Hamer Lake Seguin | 38 | 9 | 236 | 2.00 m | Lake Rosseau | Seguin | Humphrey | 45.2350006 | -79.7910004 | |||
| Hardup Lake Lake of Bays | 22 | 16 | 6 % | 7.60 ug/L | 4.20 m | Lake of Bays | Lake of Bays | Sinclair | 45.3930016 | -78.9803009 | ||
| Hardy Lake Muskoka Lakes | 98 | 18 | 244 | Lake Muskoka | Muskoka Lakes | Wood | 45.0060005 | -79.5350037 | ||||
| Harp Lake Huntsville | 72 | 34 | 326 | 9 % | 5.50 ug/L | 6.50 m | Mary Lake | Huntsville | Chaffey | 45.3790016 | -79.1350021 | |
| Harper Lake Muskoka Lakes | 6 | 6 | 239 | 3.00 m | Lake Muskoka | Muskoka Lakes | Medora | 45.0670013 | -79.6640015 | |||
| Harris Lake McDougall | 157 | 8 | 240 | 2.40 m | Seguin River | McDougall | Ferguson | 45.4780006 | -79.9879990 | |||
| Harris Lake Unincorporated | 330 | 18 | 200 | 3.40 m | Naiscoot River | Unincorporated | Wallbridge | 45.7050018 | -80.3710022 | |||
| Harrison Lake Ryerson | 44 | 3 | 320 | 1.00 m | Magnetawan River | Ryerson | Ryerson | 45.5569992 | -79.5630035 | |||
| Hart Lake Bracebridge | 11 | 9 | 328 | 3.50 m | South Muskoka River | Bracebridge | Oakley | 45.0519981 | -79.0419998 | |||
| Hart Lake Muskoka Lakes | 19 | 16 | 223 | 4.00 m | Gibson River | Muskoka Lakes | Wood | 44.9109993 | -79.5780029 | |||
| Harts Lake Muskoka Lakes | 10 | 4 | 2.00 m | Moon River | Muskoka Lakes | Wood | 45.0149994 | -79.6770020 | ||||
| Harvey Lake Algonquin Highlands | 55 | 14 | 351 | 5.00 m | Hollow River | Algonquin Highlands | McClintock | 45.2910004 | -78.8389969 | |||
| Hassard Lake Kearney | 50 | 335 | Magnetewan River | Kearney | Bethune | 45.5690002 | -79.2190018 | |||||
| Head Lake Haliburton | 3 | 964 | 9 | 268 | Haliburton | 45.0483475 | -78.5170975 | |||||
| Healey Lake Bracebridge | 126 | 7 | 305 | 25 % | 8.40 ug/L | 2.50 m | South Muskoka River | Bracebridge | Macaulay | 45.0807991 | -79.1873016 | |
| Healey Lake Archipelago | 760 | 23 | 200 | 3.10 m | Moon River | Archipelago | Conger | 45.1660004 | -79.9179993 | |||
| Heck Lake Lake of Bays | 30 | 11 | 365 | 3.60 m | Big East River | Lake of Bays | Sinclair | 45.4609985 | -79.0339966 | |||
| Heeney Lake Lake of Bays | 21 | 6 | 351 | 5 % | 5.80 ug/L | 4.40 m | South Muskoka River | Lake of Bays | McLean | 45.1274986 | -79.1035995 | |
| Helve Lake Lake of Bays | 17 | 15 | 396 | 1.40 m | Lake of Bays | Lake of Bays | Sinclair | 45.3860016 | -78.9800034 | |||
| Henshaw Lake Muskoka Lakes | 28 | 14 | 252 | 4 % | 5.50 ug/L | 3.70 m | Muskoka River | Muskoka Lakes | Medora | 45.0979996 | -79.5910034 | |
| Hesners Lake Muskoka Lakes | 24 | 7 | 10 % | 7.90 ug/L | 3.30 m | Moon River | Muskoka Lakes | Wood | 45.0121994 | -79.6380997 | ||
| High Lake Muskoka Lakes | 65 | 15 | 305 | 5 % | 4.30 ug/L | 7.30 m | Skeleton River | Muskoka Lakes | Watt | 45.2350006 | -79.4980011 | |
| Himbury Lake Kearney | 1 | 49 | 14 | 335 | 5.00 m | Magnetawan River | Kearney | Proudfoot | 45.6049995 | -79.2040024 | ||
| Horn Lake Seguin | 454 | 9 | 320 | 1.60 m | Seguin River | Seguin | Monteith | 45.3680000 | -79.5940018 | |||
| Horn Lake Magnetawan | 497 | 35 | 333 | 7.00 m | Stirling Creek | Magnetawan | Chapman | 45.6679993 | -79.4889984 | |||
| Horseshoe Lake Seguin | 1 | 370 | 20 | 230 | 3.70 m | Blackstone River | Seguin | Humphrey | 45.2900009 | -79.8399963 | ||
| Hughes Lake Magnetawan | 60 | 4 | 315 | 3.30 m | Distress River | Magnetawan | Chapman | 45.7000008 | -79.5729980 | |||
| Isabella Lake Seguin | 179 | 15 | 221 | 2.40 m | Seguin River | Seguin | Christie | 45.4090004 | -79.8150024 | |||
| Island Lake Kearney | 130 | 29 | 396 | 7.10 m | North Magnetawan River | Kearney | Proudfoot | 45.6870003 | -79.2379990 | |||
| Jacks Lake Armour | 94 | 4 | 322 | 1.40 m | North Magnetawan River | Armour | Armour | 45.6571999 | -79.3368988 | |||
| Jerry Lake Lake of Bays | 52 | 32 | 330 | Peninsula Lake | Lake of Bays | Sinclair | 45.3838997 | -79.1128006 | ||||
| Jessop Lake Huntsville | 27 | 3 | 351 | 13 % | 12.30 ug/L | 2.00 m | Little East River | Huntsville | Chaffey | 45.3870010 | -79.2679977 | |
| Jevins Lake Gravenhurst | 34 | 3 | 252 | 25 % | 12.70 ug/L | 2.00 m | Severn River | Gravenhurst | Morrison | 44.8989983 | -79.3479996 | |
| Jill Lake Lake of Bays | 11 | 4 | 320 | 2.50 m | Black River | Lake of Bays | Ridout | 45.1510010 | -78.9570007 | |||
| Kahshe Lake Gravenhurst | 1 | 828 | 21 | 243 | 14 % | 12.50 ug/L | 2.90 m | Kahshe River | Gravenhurst | Morrison | 44.8636017 | -79.2664032 |
| Kapikog Lake Archipelago | 317 | 15 | 200 | 4.10 m | Conger Creek | Archipelago | Conger | 45.1489983 | -79.8870010 | |||
| Kashagawigamog Lake Minden | 1 | 81 | 39 | 313 | Minden | Minden Hills | 44.9876556 | -78.6044235 | ||||
| Kashegaba Lake Whitestone | 417 | 26 | 230 | 3.80 m | Lower Magnetawan River | Whitestone | Burton | 45.7050018 | -80.1279984 | |||
| Kawagama Lake Algonquin Highlands | 3150 | 73 | 383 | 7.90 m | Hollow River | Algonquin Highlands | Sherborne | 45.2996407 | -78.7415314 | |||
| Kawigamog Lake Unincorporated | 550 | 15 | 205 | 1.60 m | Pickerel River | Unincorporated | McConkey | 45.8899994 | -80.2720032 | |||
| Keiller Lake Magnetawan | 60 | 10 | 315 | 2.50 m | Magnetawan River | Magnetawan | Spence | 45.5439987 | -79.5940018 | |||
| Kelsey Lake Armour | 30 | 6 | 351 | 1.00 m | North Magnetawan River | Armour | Armour | 45.6500015 | -79.2839966 | |||
| Kernick Lake Armour | 44 | 23 | 351 | 4.70 m | Magnetawan River | Armour | Armour | 45.6240005 | -79.3479996 | |||
| Kimball Lake Algonquin Highlands | 217 | 67 | 358 | 9.40 m | Hollow River | Algonquin Highlands | Livingstone | 45.3409996 | -78.6790009 | |||
| King Lake Machar | 1 | 29 | 6 | 374 | 2.70 m | Commanda Creek | Machar | Machar | 45.8860016 | -79.5049973 | ||
| Kingshott Lake Seguin | 1 | 44 | 4 | 210 | 3.60 m | Spider Lake | Seguin | Foley | 45.2400017 | -80.0029984 | ||
| La Brash Lake Whitestone | 57 | 13 | 260 | 2.00 m | Ferrie River | Whitestone | Ferrie | 45.7229996 | -79.8929977 | |||
| Lake Couchiching Orrilia | 2 | 3375 | 12 | 219 | Severn River | Orrilia | 44.6628609 | -79.3780441 | ||||
| Lake Joseph Muskoka Lakes | 6 | 5460 | 93 | 225 | 5 % | 4.80 ug/L | 6.70 m | Lake Rosseau | Muskoka Lakes | Medora | 45.1759987 | -79.7300034 |
| Lake Muskoka Muskoka Lakes | 31 | 12100 | 73 | 225 | 15 % | 5.50 ug/L | 3.60 m | Muskoka River | Muskoka Lakes | Muskoka | 45.0540009 | -79.4749985 |
| Lake of Bays Lake of Bays | 24 | 6780 | 70 | 316 | 12 % | 6.90 ug/L | 3.90 m | South Muskoka River | Lake of Bays | McLean | 45.2560005 | -79.0019989 |
| Lake of Many Islands Whitestone | 227 | 29 | 305 | 47.20 m | Ferrie River | Whitestone | Lount | 45.7620010 | -79.6859970 | |||
| Lake Rosseau Muskoka Lakes | 12 | 6390 | 89 | 225 | 3 % | 9.10 ug/L | 2.90 m | Lake Muskoka | Muskoka Lakes | Watt | 45.1739006 | -79.5849991 |
| Lake Vernon Huntsville | 3 | 1566 | 38 | 284 | 13 % | 8.60 ug/L | 3.20 m | North Muskoka River | Huntsville | Stisted | 45.3283005 | -79.2941971 |
| Lake Waseosa Huntsville | 156 | 20 | 330 | 8 % | 8.90 ug/L | 2.90 m | Little East River | Huntsville | Chaffey | 45.4039993 | -79.2750015 | |
| Lamorie Lake Gravenhurst | 11 | 4 | 229 | 2.00 m | Gibson River | Gravenhurst | Wood | 44.8899994 | -79.4520035 | |||
| Lane Lake Seguin | 21 | 245 | Seguin River | Seguin | Foley | 45.3499985 | -79.9300003 | |||||
| Langford Lake Perry | 42 | 7 | 335 | 3.50 m | Little East River | Perry | Perry | 45.4539986 | -79.2880020 | |||
| Larson Lake Armour | 52 | 7 | 351 | 3.80 m | North Magnetawan River | Armour | Armour | 45.6290016 | -79.2910004 | |||
| Lassetter Lake Lake of Bays | 9 | 4 | 366 | 1.00 m | Mary Lake | Lake of Bays | Sinclair | 45.3650017 | -79.0449982 | |||
| Leech Lake Bracebridge | 81 | 13 | 313 | 8 % | 7.80 ug/L | 3.30 m | South Muskoka River | Bracebridge | Oakley | 45.0519981 | -79.0979996 | |
| Leonard Lake Muskoka Lakes | 195 | 18 | 275 | 9 % | 6.30 ug/L | 4.10 m | Muskoka River | Muskoka Lakes | Monck | 45.0740013 | -79.4469986 | |
| Limestone Lake Whitestone | 74 | 11 | 250 | 4.20 m | Seguin River | Whitestone | Hagerman | 45.5470009 | -79.9280014 | |||
| Little Arrowhead Lake Huntsville | 20 | 16 | 381 | 4.00 m | Little East River | Huntsville | Chaffey | 45.4080009 | -79.1920013 | |||
| Little Clam Lake Kearney | 22 | 16 | 366 | 5.00 m | Magnetawan River | Kearney | Bethune | 45.5299988 | -79.1650009 | |||
| Little Clear Lake Lake of Bays | 11 | 21 | 366 | 5.50 m | Big East River | Lake of Bays | Sinclair | 45.4020004 | -79.0080032 | |||
| Little Lake Gravenhurst | 2 | 29 | 8 | 229 | 4.10 m | Severn River | Gravenhurst | Wood | 44.8800011 | -79.4700012 | ||
| Little Leech Lake Bracebridge | 19 | 11 | 335 | 2.00 m | Black River | Bracebridge | Oakley | 45.0320015 | -79.0179977 | |||
| Little Long Lake Muskoka Lakes | 21 | 14 | 3 % | 6.70 ug/L | 3.50 m | Skeleton River | Muskoka Lakes | Cardwell | 45.2428017 | -79.5106964 | ||
| Little Long Lake Lake of Bays | 16 | 16 | 396 | 5.00 m | Big East River | Lake of Bays | Sinclair | 45.4480019 | -79.1409988 | |||
| Little Shebeshekong Lake Archipelago | 43 | 185 | Shebeshekong River | Archipelago | Shawanaga | 45.4780006 | -80.3399963 | |||||
| Livingstone Lake Algonquin Highlands | 194 | 37 | 378 | 3.60 m | Hollow River | Algonquin Highlands | Livingstone | 45.3594017 | -78.7192001 | |||
| Long Lake McDougall | 1 | 24 | 10 | 250 | 2.80 m | Seguin River | McDougall | Ferguson | 45.5089989 | -79.9779968 | ||
| Long Lake Seguin | 1 | 21 | 14 | 260 | 5.50 m | Seguin River | Seguin | Foley | 45.3520012 | -79.9100037 | ||
| Long Lake Kearney | 1 | 180 | 43 | 381 | 5.50 m | Magnetawan River | Kearney | Proudfoot | 45.7099991 | -79.1857986 | ||
| Long Lake Muskoka Lakes | 1 | 130 | 17 | 244 | Gibson River | Muskoka Lakes | Wood | 44.9970016 | -79.6019974 | |||
| Long Lake Bracebridge | 1 | 30 | 16 | 274 | 2.00 m | Kahshe River | Bracebridge | Draper | 44.9599991 | -79.1250000 | ||
| Longline Lake Lake of Bays | 27 | 17 | 335 | 0 % | 6.80 ug/L | 6.50 m | Lake of Bays | Lake of Bays | Ridout | 45.2500000 | -78.9710007 | |
| Longs Lake Huntsville | 43 | 10 | 9 % | 9.30 ug/L | 1.90 m | Dee River | Huntsville | Stephenson | 45.2064018 | -79.3552017 | ||
| Loon Lake Gravenhurst | 2 | 81 | 6 | 232 | 16 % | 9.70 ug/L | 3.00 m | Severn River | Gravenhurst | Muskoka | 44.9210014 | -79.4329987 |
| Loon Lake Kearney | 2 | 156 | 29 | 412 | 6.50 m | Magnetawan River | Kearney | Proudfoot | 45.6689987 | -79.2190018 | ||
| Loon Lake Lake of Bays | 2 | 32 | 14 | 396 | 5.30 m | Big East River | Lake of Bays | Sinclair | 45.4230003 | -78.9850006 | ||
| Lorimer Lake McDougall | 480 | 24 | 243 | 3.50 m | Manitouwabing River | McDougall | Hagerman | 45.5390015 | -79.9629974 | |||
| Louck Lake Unorganized | 96 | 2 | 363 | South Rive | Unorganized | Laurier | 45.8880005 | -79.3590012 | ||||
| Lower Fletcher Lake Algonquin Highlands | 61 | 30 | 406 | 3.00 m | Hollow River | Algonquin Highlands | McClintock | 45.3422012 | -78.8317032 | |||
| Lower Fry Lake Monteith | 27 | 300 | Seguin River | Monteith | Monteith | 45.4080009 | -79.6709976 | |||||
| Lower Raft Lake Lake of Bays | 20 | 7 | 360 | 2.80 m | Big East River | Lake of Bays | Sinclair | 45.4630013 | -79.1289978 | |||
| Lower Raven Lake Kearney | 39 | 16 | 396 | 4.60 m | Magnetawan River | Kearney | Proudfoot | 45.6920013 | -79.1510010 | |||
| Lower Schufelt Lake Lake of Bays | 11 | 3 | 358 | 2.50 m | Lake of Bays | Lake of Bays | McLean | 45.1769981 | -79.1259995 | |||
| Lynch Lake Joly | 35 | 6 | 357 | 3.40 m | North Magnetawan River | Joly | Joly | 45.7910004 | -79.2860031 | |||
| Mainhood Lake Huntsville | 14 | 17 | 335 | 3 % | 8.20 ug/L | 3.00 m | Dee River | Huntsville | Stephenson | 45.2120018 | -79.3489990 | |
| Manitouwaba Lake Seguin | 148 | 18 | 290 | 4.30 m | Little Seguin River | Seguin | Christie | 45.4049988 | -79.6989975 | |||
| Manitouwabing Lake McKellar | 1 | 1178 | 33 | 245 | 2.40 m | Seguin River | McKellar | McKellar | 45.4519997 | -79.9039993 | ||
| Manson Lake Whitestone | 74 | 12 | 260 | 2.70 m | Magnetawan River | Whitestone | Hagerman | 45.5579987 | -79.8619995 | |||
| Maple Lake Seguin | 1 | 202 | 15 | 220 | 3.30 m | Little Seguin River | Seguin | Christie | 45.3680000 | -79.7990036 | ||
| Margaret Lake Lake of Bays | 58 | 34 | 1 % | 5.40 ug/L | 7.80 m | Lake of Bays | 45.1455994 | -78.8834991 | ||||
| Marion Lake Lake of Bays | 57 | 3 | 425 | 1.50 m | Big East River | Lake of Bays | Finlayson | 45.5060005 | -78.9130020 | |||
| Mary Jane Lake McKellar | 46 | 5 | 275 | 2.10 m | Seguin River | McKellar | McKellar | 45.5110016 | -79.8499985 | |||
| Mary Lake Huntsville | 1061 | 56 | 281 | 10 % | 8.10 ug/L | 3.40 m | North Muskoka River | Huntsville | Stephenson | 45.2458000 | -79.2553024 | |
| Mason Lake Kearney | 40 | 14 | 396 | 3.00 m | Magnetawan River | Kearney | Proudfoot | 45.6409988 | -79.2340012 | |||
| McEwen Lake McKellar | 21 | 6 | 245 | 2.60 m | Seguin River | McKellar | McKellar | 45.5250015 | -79.9179993 | |||
| McFadden Lake Algonquin Highlands | 54 | 31 | 396 | 6.00 m | Hollow River | Algonquin Highlands | McClintock | 45.3339996 | -78.8489990 | |||
| McGowan Lake Seguin | 20 | 12 | 210 | 3.10 m | Boyne River | Seguin | Foley | 45.3400002 | -79.9940033 | |||
| McKay Lake Bracebridge | 132 | 19 | 302 | 9 % | 8.60 ug/L | 3.10 m | South Muskoka River | Bracebridge | Draper | 45.0550003 | -79.1729965 | |
| McKechnie Lake Seguin | 18 | 6 | 240 | 4.90 m | Moon River | Seguin | Conger | 45.2319984 | -79.8199997 | |||
| McKellar Lake McKellar | 88 | 10 | 240 | 3.80 m | Seguin River | McKellar | McKellar | 45.5139999 | -79.9329987 | |||
| McNutt Lake Seguin | 40 | 10 | 200 | Seguin River | Seguin | Foley | 45.3320007 | -79.9280014 | ||||
| McQuillan Lake Archipelago | 35 | 4 | 200 | 3.70 m | Blackstone River | Archipelago | Conger | 45.1930008 | -79.8919983 | |||
| McRey Lake Bracebridge | 20 | 10 | 17 % | 11.10 ug/L | 2.70 m | South Muskoka River | Bracebridge | 45.0787010 | -79.1990967 | |||
| Medora Lake Muskoka Lakes | 48 | 9 | 236 | 9 % | 6.80 ug/L | 4.00 m | Lake Muskoka | Muskoka Lakes | Medora | 45.0649986 | -79.6529999 | |
| Menominee Lake Lake of Bays | 100 | 8 | 335 | 10 % | 8.60 ug/L | 2.10 m | Lake of Bays | Lake of Bays | Brunel | 45.1980019 | -79.1350021 | |
| Mill Lake McDougall | 1 | 593 | 41 | 198 | 3.90 m | Seguin River | McDougall | McDougall | 45.3689995 | -79.9990005 | ||
| Mink Lake Lake of Bays | 35 | 25 | 374 | 0 % | 2.00 m | South Muskoka River | Lake of Bays | Ridout | 45.2210007 | -78.9749985 | ||
| Mirage Lake Perry | 1 | 58 | 4 | 338 | 1.40 m | Big East River | Perry | Perry | 45.4739990 | -79.2190018 | ||
| Mirror Lake Muskoka Lakes | 46 | 8 | 4 % | 5.90 ug/L | 3.60 m | Lake Muskoka | Muskoka Lakes | 45.1066017 | -79.5719986 | |||
| Miskokway Lake Whitestone | 238 | 41 | 210 | 5.00 m | Naiscoot River | Whitestone | Burton | 45.6500015 | -80.2229996 | |||
| Moffat Lake McKellar | 52 | 6 | 240 | 2.00 m | Manitouwabing River | McKellar | Mckellar | 45.5320015 | -79.8799973 | |||
| Montgomery Lake Huntsville | 14 | 12 | 320 | 5.00 m | Huntsville | Brunel | 45.2039986 | -79.1969986 | ||||
| Moot Lake Lake of Bays | 46 | 8 | 335 | 20 % | 10.20 ug/L | 1.60 m | South Muskoka River | Lake of Bays | McLean | 45.1430016 | -79.1719971 | |
| Morgans Lake Kearney | 30 | 13 | 381 | 1.50 m | Big East River | Kearney | Bethune | 45.5250015 | -79.0609970 | |||
| Morrison Lake Gravenhurst | 1 | 249 | 18 | 229 | 13 % | 8.50 ug/L | 2.90 m | Severn River | Gravenhurst | Wood | 44.8711014 | -79.4539032 |
| Mosquito Lake Muskoka Lakes | 11 | 13 | 213 | 4.00 m | Severn River | Muskoka Lakes | Wood | 44.9129982 | -79.6179962 | |||
| Muldrew Lakes Gravenhurst | 420 | 18 | 229 | 18 % | 9.90 ug/L | 2.80 m | Severn River | Gravenhurst | Wood | 44.9000015 | -79.4428024 | |
| Mutton Lake Seguin | 45 | 6 | 230 | 2.50 m | Little Seguin River | Seguin | Christie | 45.3419991 | -79.7689972 | |||
| Myers Lake Georgian Bay | 33 | 4 | 0 % | 9.40 ug/L | 2.70 m | Moon River | Georgian Bay | Freedmen | 45.0962982 | -79.7509995 | ||
| Naiscoot Lake Archipelago | 238 | 26 | 183 | 3.70 m | Naiscoot River | Archipelago | Harrison | 45.6430016 | -80.3509979 | |||
| Nelson Lake Lake of Bays | 33 | 11 | 441 | 4.00 m | Big East River | Lake of Bays | Finlayson | 45.4920006 | -78.9580002 | |||
| Newell Lake Magnetawan | 46 | 10 | 290 | 4.40 m | Lower Magnetawan River | Magnetawan | Croft | 45.6096992 | -79.6770020 | |||
| Nine Mile Lake McDougall | 200 | 12 | 225 | 4.60 m | Seguin River | McDougall | McDougall | 45.4679985 | -80.0510025 | |||
| Nine Mile Lake Muskoka Lakes | 227 | 18 | 24 % | 10.50 ug/L | 2.30 m | Gibson River | Muskoka Lakes | Wood | 44.9516983 | -79.5835037 | ||
| North Dotty Lake Lake of Bays | 27 | 17 | 381 | 6.00 m | Oxtongue River | Lake of Bays | Sinclair | 45.4809990 | -79.0059967 | |||
| North Healey Lake Bracebridge | 34 | 4 | 320 | 2.40 m | South Muskoka River | Bracebridge | Macaulay | 45.0960007 | -79.1900024 | |||
| North Muldrew Lake Gravenhurst | 150 | 16 | 229 | 18 % | 9.80 ug/L | 2.70 m | Severn River | Gravenhurst | Wood | 44.9048996 | -79.4365005 | |
| Nutt Lake Muskoka Lakes | 8 | 8 | 305 | 2 % | 7.20 ug/L | 5.00 m | Skeleton River | Muskoka Lakes | Watt | 45.2130013 | -79.4479980 | |
| Oastler Lake Seguin | 116 | 19 | 197 | 3.20 m | Boyne River | Seguin | Foley | 45.3160019 | -79.9580002 | |||
| Old Mans Lake Magnetawan | 91 | 9 | 290 | 2.00 m | Magnetawan | Spence | 45.6090012 | -79.6439972 | ||||
| Oliver Lake McKellar | 52 | 15 | 265 | 3.70 m | Manitouwabing River | McKellar | McKellar | 45.5139999 | -79.7959976 | |||
| Otter Lake Seguin | 510 | 45 | 206 | 5.90 m | Boyne River | Seguin | Foley | 45.2680016 | -79.9430008 | |||
| Otter Lake Algonquin Highlands | 129 | 20 | 378 | Lake of Bays | Algonquin Highlands | McClintock | 45.2760010 | -78.8759995 | ||||
| Otter Lake Huntsville | 17 | 9 | 5 % | 8.60 ug/L | 3.40 m | Mary Lake | Huntsville | 45.2969017 | -79.1697998 | |||
| Oudaze Lake Huntsville | 123 | 20 | 335 | 3 % | 10.80 ug/L | 2.40 m | Big East River | Huntsville | Chaffey | 45.4529991 | -79.1949997 | |
| Oxbow Lake Lake of Bays | 169 | 35 | 0 % | 5.90 ug/L | 4.00 m | Oxtongue River | Lake of Bays | 45.4339981 | -78.9635010 | |||
| Oxtongue Lake Algonquin Highlands | 1 | 242 | 27 | 364 | 3.10 m | Oxtongue River | Algonquin Highlands | McClintock | 45.3619003 | -78.9214020 | ||
| Paint Lake Lake of Bays | 157 | 21 | 343 | 9 % | 8.10 ug/L | 3.20 m | Lake of Bays | Lake of Bays | Ridout | 45.2168999 | -78.9441986 | |
| Palette Lake Huntsville | 15 | 12 | 0 % | 11.30 ug/L | 3.80 m | Little East River | Huntsville | Chaffey | 45.4172707 | -79.2679977 | ||
| Pell Lake Lake of Bays | 34 | 3 | 395 | 15 % | 11.80 ug/L | 2.00 m | Lake of Bays | Lake of Bays | Sinclair | 45.3950005 | -79.0630035 | |
| Pence Lake Gravenhurst | 39 | 6 | 226 | 1.60 m | Gibson River | Gravenhurst | Wood | 44.8790016 | -79.5070038 | |||
| Pender Lake Seguin | 20 | 16 | 265 | 3.10 m | Blackstone River | Seguin | Foley | 45.3230019 | -79.8679962 | |||
| Penfold Lake Huntsville | 31 | 3 | 290 | 9 % | 15.70 ug/L | 2.00 m | Mary Lake | Huntsville | Stephenson | 45.2649994 | -79.2779999 | |
| Peninsula Lake Huntsville | 8 | 840 | 37 | 284 | 5 % | 11.10 ug/L | 3.30 m | Muskoka River | Huntsville | Chaffey | 45.3380013 | -79.0999985 |
| Penuel Lake Perry | 35 | 7 | 370 | 1.40 m | Magnetawan River | Perry | Perry | 45.5070000 | -79.3740005 | |||
| Perbeth Lake Kearney | 31 | 5 | 343 | 3.00 m | Magnetawan River | Kearney | Bethune | 45.5400009 | -79.2050018 | |||
| Perch Lake Huntsville | 101 | 2 | 4 % | 12.30 ug/L | 1.40 m | Little East River | Huntsville | 45.4574013 | -79.2282028 | |||
| Perry Lake Kearney | 68 | 13 | 335 | 2.20 m | Magnetawan River | Kearney | Perry | 45.5460014 | -79.2269974 | |||
| Peters Lake Kearney | 48 | 13 | 396 | 3.00 m | Magnetawan River | Kearney | Bethune | 45.5419998 | -79.1460037 | |||
| Pickerel Lake Armour | 1 | 520 | 38 | 320 | 2.90 m | North Magnetawan River | Armour | Proudfoot | 45.6831017 | -79.3050003 | ||
| Pigeon Lake Gravenhurst | 3 | 61 | 6 | 232 | 11 % | 7.10 ug/L | 3.60 m | Lake Muskoka | Gravenhurst | Muskoka | 44.9720001 | -79.4739990 |
| Pine Lake Bracebridge | 84 | 22 | 335 | 6 % | 7.70 ug/L | 3.80 m | South Muskoka River | Bracebridge | Oakley | 45.0661011 | -79.0682983 | |
| Pine Lake Gravenhurst | 156 | 9 | 232 | 18 % | 7.90 ug/L | 3.60 m | Lake Muskoka | Gravenhurst | Wood | 44.9393997 | -79.4543991 | |
| Pool Lake Strong | 112 | 4 | 331 | Magnetawan River | Strong | Strong | 45.7089996 | -79.3679962 | ||||
| Porcupine Lake Lake of Bays | 56 | 22 | 13 % | 6.60 ug/L | 3.20 m | Black River | Lake of Bays | Ridout | 45.1529999 | -79.0029984 | ||
| Portage Lake Seguin | 98 | 26 | 244 | Lake Joseph | Seguin | Humphrey | 45.2130013 | -79.8000031 | ||||
| Portage Lake McDougall | 69 | 7 | 195 | 2.40 m | Seguin River | McDougall | McDougall | 45.4049988 | -80.0439987 | |||
| Prospect Lake Bracebridge | 1 | 69 | 20 | 305 | 11 % | 7.50 ug/L | 3.40 m | Kahshe River | Bracebridge | Draper | 44.9907990 | -79.1352997 |
| Quinn Lake Whitestone | 30 | 6 | 250 | Whitestone River | Whitestone | Hagerman | 45.6020012 | -79.8539963 | ||||
| Rainy Lake Ryerson | 259 | 9 | 305 | 2.30 m | Magnetawan River | Ryerson | Ryerson | 45.5320015 | -79.4960022 | |||
| Rankin Lake Seguin | 138 | 20 | 229 | 4.20 m | Boyne River | Seguin | Foley | 45.2900009 | -79.9000015 | |||
| Rat Lake Gravenhurst | 46 | 17 | 221 | 4.00 m | Gibson River | Gravenhurst | Wood | 44.8689995 | -79.5199966 | |||
| Reay Lake Gravenhurst | 16 | 14 | 8 % | 11.00 ug/L | 3.20 m | Lake Muskoka | Gravenhurst | 44.9541016 | -79.2796021 | |||
| Rebecca Lake Lake of Bays | 213 | 29 | 356 | 10 % | 5.80 ug/L | 4.20 m | Big East River | Lake of Bays | Sinclair | 45.4305992 | -79.0353012 | |
| Red Chalk Lake Lake of Bays | 54 | 32 | 336 | 6.40 m | Black River | Lake of Bays | Ridout | 45.1893997 | -78.9486008 | |||
| Redstone Lake Dysart et al | 1190 | 83 | 365 | Dysart et al | Guilford | 45.1830559 | -78.5377808 | |||||
| Richmond Lake Seguin | 38 | 13 | 211 | 4.40 m | Boyne River | Seguin | Foley | 45.3310013 | -80.0029984 | |||
| Ricketts Lake Muskoka Lakes | 27 | 6 | 13 % | 9.10 ug/L | 3.10 m | Muskoka Lakes | 45.1500015 | -79.7544022 | ||||
| Ril Lake Lake of Bays | 144 | 9 | 366 | 9 % | 7.00 ug/L | 2.90 m | South Muskoka River | Lake of Bays | Ridout | 45.1640015 | -79.0130005 | |
| Riley Lake Gravenhurst | 155 | 15 | 246 | 20 % | 15.80 ug/L | 2.50 m | Black River | Gravenhurst | Ryde | 44.8400002 | -79.1819992 | |
| Ripple Lake Huntsville | 18 | 10 | 0 % | 6.00 ug/L | 4.00 m | Little East River | Huntsville | Chaffey | 45.4216919 | -79.2766724 | ||
| Roderick Lake Muskoka Lakes | 115 | 7 | 244 | Moon River | Muskoka Lakes | Medora | 45.0779991 | -79.7170029 | ||||
| Rose Lake Huntsville | 30 | 10 | 305 | 21 % | 14.30 ug/L | 1.80 m | Mary Lake | Huntsville | Stephenson | 45.2379990 | -79.3570023 | |
| Round Lake McMurrich | 190 | 21 | 306 | 2.80 m | Buck River | McMurrich | McMurrich | 45.4650002 | -79.4039993 | |||
| Roundabout Lake Lake of Bays | 10 | 13 | 335 | 4.00 m | Lake of Bays | Lake of Bays | Ridout | 45.2430000 | -78.9720001 | |||
| Rutter Lake Muskoka Lakes | 16 | 14 | 305 | 5.00 m | Skeleton River | Muskoka Lakes | Cardwell | 45.2470016 | -79.5179977 | |||
| Ryan Lake McKellar | 26 | 7 | 244 | Seguin River | McKellar | McKellar | 45.5340004 | -79.8960037 | ||||
| Ryde Lake Gravenhurst | 82 | 12 | 11 % | 17.60 ug/L | 1.90 m | Kahshe River | Gravenhurst | 44.9002991 | -79.2438965 | |||
| Salmon Lake Seguin | 68 | 14 | 209 | 5.00 m | Boyne River | Seguin | Foley | 45.2560005 | -79.9619980 | |||
| Samlet Lake Lake of Bays | 23 | 23 | 404 | 6.00 m | Oxtongue River | Lake of Bays | Finlayson | 45.4210014 | -78.8990021 | |||
| Saw Lake Bracebridge | 28 | 13 | 329 | 1.00 m | Black River | Bracebridge | Oakley | 45.0460014 | -79.0250015 | |||
| Scheil Lake Unorganized | 32 | 6 | 412 | 2.60 m | South River | Unorganized | Laurier | 45.8950005 | -79.3300018 | |||
| Schufelt Lake Lake of Bays | 12 | 3 | 366 | 2.00 m | Lake of Bays | Lake of Bays | McLean | 45.1809998 | -79.1269989 | |||
| Second Lake Seguin | 25 | 4 | 176 | 3.30 m | Blackstone River | Seguin | Foley | 45.2680016 | -79.8720016 | |||
| Seguin Lake Magnetawan | 109 | 5 | 301 | 2.40 m | Lower Magnetawan River | Magnetawan | Spence | 45.5330009 | -79.6780014 | |||
| Seventeen Mile Lake Lake of Bays | 18 | 14 | 345 | 5.00 m | Lake of Bays | Lake of Bays | Franklin | 45.3750000 | -78.9700012 | |||
| Shawanaga Lake Whitestone | 220 | 18 | 239 | 3.80 m | Shawanaga River | Whitestone | Hagerman | 45.5660019 | -79.9830017 | |||
| Shebeshekong Lake Carling | 154 | 13 | 188 | 4.50 m | Shebeshekong River | Carling | Carling | 45.4420013 | -80.1849976 | |||
| Shoe Lake Lake of Bays | 39 | 16 | 351 | 0 % | 5.80 ug/L | 6.30 m | South Muskoka River | Lake of Bays | Ridout | 45.2080002 | -78.9079971 | |
| Siding Lake Huntsville | 59 | 2 | 22 % | 13.80 ug/L | 1.30 m | Mary Lake | Huntsville | 45.2831993 | -79.3150024 | |||
| Silver Lake Seguin | 2 | 74 | 19 | 229 | 4.00 m | Seguin | Humphrey | 45.2239990 | -79.7990036 | |||
| Silver Lake Gravenhurst | 2 | 58 | 14 | 17 % | 11.10 ug/L | 2.80 m | Lake Muskoka | Gravenhurst | Morrison | 44.9014015 | -79.3190994 | |
| Silver Lake Muskoka Lakes | 2 | 56 | 14 | 0 % | 13.20 ug/L | 4.50 m | Lake Muskoka | Muskoka Lakes | Medora | 45.1174011 | -79.5664978 | |
| Simmons Lake Magnetawan | 37 | 3 | 286 | Lower Magnetawan River | Magnetawan | Croft | 45.6040001 | -79.6959991 | ||||
| Six Mile Lake Georgian Bay | 1475 | 49 | 14 % | 7.90 ug/L | 4.60 m | Severn River | Georgian Bay | Baxter | 44.8981323 | -79.7110519 | ||
| Sixteen Mile Lake Lake of Bays | 78 | 18 | 351 | 4 % | 6.80 ug/L | 4.10 m | Lake of Bays | Lake of Bays | Franklin | 45.3600006 | -78.9629974 | |
| Skeleton Lake Muskoka Lakes | 2075 | 65 | 281 | 8 % | 2.40 ug/L | 8.90 m | Skeleton River | Muskoka Lakes | Watt | 45.2505989 | -79.4505997 | |
| Solitaire Lake Lake of Bays | 122 | 30 | 380 | 4 % | 5.60 ug/L | 6.80 m | Big East River | Lake of Bays | Sinclair | 45.3919983 | -79.0100021 | |
| South Muldrew Lake Gravenhurst | 270 | 18 | 13 % | 7.70 ug/L | 2.70 m | Severn River | Gravenhurst | 44.9002991 | -79.4431000 | |||
| South Nelson Lake Lake of Bays | 15 | 6 | 5 % | 8.60 ug/L | 2.50 m | Oxtongue River | Lake of Bays | 45.4695015 | -78.9561005 | |||
| South Tasso Lake Lake of Bays | 18 | 20 | 412 | 1 % | 7.00 m | Big East River | Lake of Bays | Finlayson | 45.4303055 | -78.9261017 | ||
| Sparrow Lake Gravenhurst | 1140 | 16 | 7 % | 12.50 ug/L | 3.20 m | Severn River | Gravenhurst | 44.8154716 | -79.3861618 | |||
| Spence Lake Magnetawan | 115 | 15 | 313 | 3.50 m | Lower Magnetawan River | Magnetawan | Spence | 45.5369987 | -79.6340027 | |||
| Spence Lake Bracebridge | 109 | 9 | 258 | 11 % | 10.60 ug/L | 2.80 m | South Muskoka River | Bracebridge | Draper | 45.0014000 | -79.2900009 | |
| Spider Lake Archipelago | 480 | 34 | 180 | 5.50 m | Spider Lake | Archipelago | Cowper | 45.2360001 | -80.0540009 | |||
| Spider Lake Huntsville | 6 | 100 % | Mary Lake | Huntsville | Stephenson | 45.2605438 | -79.2872314 | |||||
| Spring Lake Bracebridge | 26 | 19 | 290 | 11 % | 6.40 ug/L | 6.50 m | South Muskoka River | Bracebridge | Draper | 45.0130005 | -79.1320038 | |
| Star Lake Seguin | 158 | 22 | 231 | 3.40 m | Little Seguin River | Seguin | Christie | 45.3300018 | -79.7570038 | |||
| Stewart Lake McKellar | 35 | 4 | 244 | 1.80 m | Seguin River | McKellar | McKellar | 45.5270004 | -79.9010010 | |||
| Stewart Lake Muskoka Lakes | 150 | 20 | 14 % | 1.10 ug/L | 3.25 m | Muskoka River | Muskoka Lakes | Medora | 45.1397018 | -79.7610016 | ||
| Stoneleigh Lake Bracebridge | 50 | 6 | 290 | 19 % | 12.10 ug/L | 1.50 m | North Muskoka River | Bracebridge | Macaulay | 45.0989990 | -79.2289963 | |
| Sucker Lake Seguin | 1 | 109 | 17 | 224 | 5.30 m | Lake Rosseau | Seguin | Humphrey | 45.2509995 | -79.6809998 | ||
| Sugar Lake Seguin | 152 | 17 | 265 | 4.60 m | Little Seguin River | Seguin | Christie | 45.3750000 | -79.7620010 | |||
| Sunny Lake Gravenhurst | 40 | 13 | 249 | 14 % | 6.90 ug/L | 4.60 m | Kahshe River | Gravenhurst | Morrison | 44.9099998 | -79.2979965 | |
| Surprise Lake Lake of Bays | 28 | 16 | 366 | 6.60 m | Big East River | Lake of Bays | Sinclair | 45.4589996 | -79.1579971 | |||
| Tabor Lake Monteith | 13 | 7 | 334 | 3.70 m | Buck River | Monteith | McMurrich | 45.4339981 | -79.5130005 | |||
| Tackaberry Lake Lake of Bays | 11 | 12 | 4 % | 7.30 ug/L | 4.50 m | South Muskoka River | Lake of Bays | 45.1186981 | -79.1411972 | |||
| Tadenac Lake Georgian Bay | 269 | 34 | 13 % | 6.40 ug/L | 3.90 m | Moon River | Georgian Bay | 45.0471001 | -79.9480972 | |||
| Tarver Lake Seguin | 14 | 8 | 210 | Spider Lake | Seguin | Foley | 45.2949982 | -80.0210037 | ||||
| Tasso Lake Lake of Bays | 195 | 22 | 407 | 3 % | 6.30 ug/L | 5.70 m | Big East River | Lake of Bays | Finlayson | 45.4556007 | -78.9347000 | |
| Taylor Lake Whitestone | 78 | 5 | 2.50 m | Whitestone River | Whitestone | McKenzie | 45.6778297 | -79.9679871 | ||||
| Teapot Lake Lake of Bays | 34 | 11 | 323 | 3.60 m | Black River | Lake of Bays | Ridout | 45.1360016 | -78.9789963 | |||
| Tee Lake Bracebridge | 14 | 12 | 351 | Black River | Bracebridge | McLean | 45.1100006 | -79.0299988 | ||||
| Third Lake Seguin | 37 | 9 | 2.80 m | Blackstone River | Seguin | Foley | 45.2599983 | -79.8820038 | ||||
| Thorne Lake Muskoka Lakes | 13 | 4 | 244 | 2.60 m | Lake Muskoka | Muskoka Lakes | Wood | 45.0000000 | -79.5070038 | |||
| Three Mile Lake Armour | 360 | 8 | 346 | Magnetawan River | Armour | Armour | 45.5919991 | -79.3109970 | ||||
| Three Mile Lake Muskoka Lakes | 867 | 11 | 247 | 13 % | 18.30 ug/L | 1.40 m | Dee River | Muskoka Lakes | Watt | 45.1739006 | -79.4630966 | |
| Three Mile Lake Gravenhurst | 77 | 17 | 252 | 13 % | 10.50 ug/L | 5.20 m | Kahshe River | Gravenhurst | Morrison | 44.8870010 | -79.2659988 | |
| Toad Lake Lake of Bays | 34 | 6 | 404 | 3.40 m | Big East River | Lake of Bays | Finlayson | 45.4370003 | -78.9359970 | |||
| Tom Lake Lake of Bays | 19 | 11 | 366 | 4.00 m | Lake of Bays | Lake of Bays | Ridout | 45.2309990 | -78.9789963 | |||
| Tongua Lake Huntsville | 14 | 22 | 320 | 2.00 m | Mary Lake | Huntsville | Stephenson | 45.2290001 | -79.3659973 | |||
| Tooke Lake Lake of Bays | 33 | 6 | 366 | 0 % | 5.50 ug/L | 4.70 m | Lake of Bays | Lake of Bays | McLean | 45.1776009 | -79.1380997 | |
| Toronto Lake Georgian Bay | 17 | 3 | 2 % | 7.50 ug/L | 2.70 m | Moon River | Georgian Bay | Freeman | 45.1071014 | -79.7574997 | ||
| Torrance Lake Muskoka Lakes | 149 | 16 | 0 % | 6.60 ug/L | 5.50 m | Lake Muskoka | Muskoka Lakes | 44.9855995 | -79.5556030 | |||
| Traves Lake Archipelago | 31 | 18 | 213 | 3.00 m | Blackstone River | Archipelago | Conger | 45.2299995 | -79.9179993 | |||
| Trout Lake Seguin | 82 | 10 | 243 | 5.80 m | Little Seguin River | Seguin | Humphrey | 45.2789993 | -79.7330017 | |||
| Trout Lake McDougall | 226 | 27 | 246 | 6.00 m | Seguin River | McDougall | McDougall | 45.4262009 | -79.9749985 | |||
| Troutspawn Lake Algonquin Highlands | 108 | 14 | 409 | Hollow River | Algonquin Highlands | Livingstone | 45.3969994 | -78.7600021 | ||||
| Tub Lake Seguin | 24 | 4 | 273 | Little Seguin River | Seguin | Christie | 45.4010010 | -79.7429962 | ||||
| Tucker Lake Huntsville | 20 | 16 | 0 % | 5.40 ug/L | 6.80 m | Mary Lake | Huntsville | 45.2036018 | -79.1800995 | |||
| Turtle Lake Gravenhurst | 1 | 30 | 5 | 19 % | 7.80 ug/L | 3.50 m | Morrison Creek | Gravenhurst | Muskoka | 44.9249992 | -79.4497986 | |
| Turtle Lake Seguin | 1 | 131 | 15 | 244 | Seguin River | Seguin | Humphrey | 45.3088989 | -79.7322006 | |||
| Upper Fry Lake Seguin | 52 | 6 | 296 | 1.30 m | Seguin River | Seguin | Monteith | 45.4140015 | -79.6470032 | |||
| Upper Oxbow Lake Lake of Bays | 17 | 21 | 442 | 6.00 m | Oxtongue River | Lake of Bays | Finlayson | 45.4090004 | -78.9649963 | |||
| Upper Raft Lake Lake of Bays | 35 | 17 | 360 | 1.80 m | Big East River | Lake of Bays | Sinclair | 45.4742012 | -79.1344986 | |||
| Upper Raven Lake Kearney | 22 | 16 | 473 | 8.00 m | Magnetawan River | Kearney | Proudfoot | 45.7010002 | -79.1610031 | |||
| Virtue Lake Seguin | 1 | 23 | 4 | 230 | 3.50 m | Blackstone River | Seguin | Christie | 45.3199997 | -79.8270035 | ||
| Vowel Lake McDougall | 50 | 9 | 242 | 2.00 m | Seguin River | McDougall | Ferguson | 45.4990005 | -79.9680023 | |||
| Wahwashkesh Lake Whitestone | 2 | 1721 | 45 | 273 | 3.70 m | Lower Magnetawan River | Whitestone | McKenzie | 45.6920013 | -80.0370026 | ||
| Walker Lake Lake of Bays | 75 | 15 | 361 | 2 % | 5.00 ug/L | 4.80 m | Mary Lake | Lake of Bays | Sinclair | 45.3810005 | -79.0859985 | |
| Wallace Lake Whitestone | 48 | 3 | 207 | 1.50 m | Shawanaga River | Whitestone | East Burpee | 45.5400009 | -80.1309967 | |||
| Waseosa Lake Huntsville | 156 | 20 | 330 | 2.90 m | Little East River | Huntsville | Chaffey | 45.4039993 | -79.2750015 | |||
| Wattenwyl Lake Unorganized | 22 | 9 | 335 | 6.00 m | Commanda Creek | Unorganized | Lount | 45.7989998 | -79.5810013 | |||
| Wauby Lake Whitestone | 16 | 13 | 295 | 1.80 m | Ferrie River | Whitestone | Croft | 45.7220001 | -79.7500000 | |||
| Weeden Lake Seguin | 5 | 7 | Blackstone River | Seguin | Christie | 45.3349991 | -79.8170013 | |||||
| Weeduck Lake Huntsville | 13 | 284 | Mary Lake | Huntsville | Brunel | 45.3040009 | -79.1880035 | |||||
| Weismuller Lake Bracebridge | 12 | 4 | 282 | 1 % | 14.10 ug/L | 2.00 m | Kahshe River | Bracebridge | Draper | 44.9370003 | -79.2139969 | |
| Wells Lake Lake of Bays | 5 | 9 | 396 | 3.00 m | Lake of Bay | Lake of Bays | Franklin | 45.3409996 | -78.9789963 | |||
| Wendigo Lake Unorganized | 5 | 7 | 381 | 1.00 m | South River | Unorganized | Laurier | 45.8930016 | -79.2910004 | |||
| West Buck Lake Bracebridge | 19 | 7 | 305 | 3.00 m | South Muskoka River | Bracebridge | Oakley | 45.0289993 | -79.0930023 | |||
| Whalley Lake Magnetawan | 97 | 3 | 289 | 2.30 m | Cecebe Lake | Magnetawan | Croft | 45.6917419 | -79.6679459 | |||
| Whitestone Lake Whitestone | 3 | 698 | 19 | 249 | 2.40 m | Magnetawan River (via Whitestone River) | Whitestone | Hagerman | 45.6580391 | -79.8727036 | ||
| Widgeon Lake Joly | 49 | 13 | 427 | 4.00 m | North Magnetawan River | Joly | Joly | 45.7239990 | -79.2399979 | |||
| Wildcat Lake Lake of Bays | 17 | 3 | 0 % | 6.40 ug/L | 2.90 m | South Muskoka River | Lake of Bays | 45.1768990 | -79.0384979 | |||
| Wilson Lake Lake of Bays | 7 | 11 | 335 | 3.00 m | Lake of Bays | Lake of Bays | Franklin | 45.3310013 | -78.9720001 | |||
| Wilson Lake Whitestone | 27 | 9 | 250 | Whitestone River | Whitestone | Hagerman | 45.6119995 | -79.8570023 | ||||
| Wilson Lake Whitestone | 119 | 16 | 182 | 3.70 m | Naiscoot River | Whitestone | Harrison | 45.6189995 | -80.2490005 | |||
| Windfall Lake Seguin | 22 | 10 | 237 | Blackstone River | Seguin | Foley | 45.2929993 | -79.8799973 | ||||
| Wolf Lake Algonquin Highlands | 96 | 23 | 488 | 5.70 m | Hollow River | Algonquin Highlands | Livingstone | 45.4290009 | -78.6940002 | |||
| Wolfish Lake Algonquin Highlands | 12 | 10 | 4 | 2.00 m | Hollow River | Algonquin Highlands | McClintock | 45.3699989 | -78.7919998 | |||
| Wolfkin Lake Lake of Bays | 17 | 11 | 381 | 4 % | 7.00 ug/L | 5.00 m | Lake of Bays | Lake of Bays | Ridout | 45.2360001 | -78.9509964 | |
| Wood Lake Bracebridge | 385 | 14 | 301 | 9 % | 7.20 ug/L | 3.80 m | South Muskoka River | Bracebridge | Oakley | 45.0119019 | -79.0738983 | |
| Wright Lake Seguin | 19 | 28 | 214 | 4.70 m | Boyne River | Seguin | Foley | 45.2900009 | -79.9349976 | |||
| Young Lake Muskoka Lakes | 109 | 27 | 253 | 5 % | 6.30 ug/L | 4.50 m | Lake Rosseau | Muskoka Lakes | Watt | 45.2039986 | -79.5490036 |
