Deepest lakes & reservoirs in Canada by maximum depth (ft)
The estimated greatest depth of the water in a lake can be measured at the lake’s normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake’s average depth can be calculated:Water volume ÷ Surface Area = Average Depth
Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 164 articles we have published for Canada lakes.
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Below are lakes within Canada > Compared by maximum depth in feet. This list does not represent all lakes in Canada, only the 164 Canada lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Great Slave Lake, NT (Canada, Northwest Territories, Canada) |
2,010 ft | Great Slave Lake is the fifth-largest lake (by acreage) in North America and, following Great Bear Lake, is the second-largest in Canada. A natural la… |
| Adams Lake (British Columbia, Canada, Canada) |
1,502 ft | Located in southern British Columbia amid the Columbia Mountains, Adams Lake is a more remote and less developed neighbor to nearby Shuswap Lake. Cove… |
| Great Bear Lake, NT (Canada, Northwest Territories, Canada) |
1,463 ft | Great Bear Lake is located in the Northwest Territories of Canada. It is a natural lake, encircled by wilderness, and the largest lake completely in C… |
| Lake Superior (Canada, Great Lakes of North America, Lake Superior Northwoods Region, WI, Michigan, Minnesota, Northeast Minnesota, Ontario, Canada, US Midwest Region, USA, Upper Peninsula Region, MI, Wisconsin) |
1,332 ft | Skipping over state and country borders, Lake Superior, the largest, deepest, coldest, cleanest, least developed, and most pristine of the Great Lakes… |
| Manicouagan Reservoir (Canada, Quebec, Canada) |
1,146 ft | Also known as Lake Manicouagan, Lac Manicouagan, Lac Mouchalagane Manicouagan Reservoir is one of the world’s most interesting geological features. This huge annular (circular) lake was shaped by a number of factors,… |
| Nimpkish Lake (British Columbia, Canada, Canada) |
1,050 ft | Also known as Lake Nimpkish Nimpkish Lake is a scenic wonder and a prime destination for windsurfers and fishermen. Located at the northeast corner of Vancouver Island, Nimpkish… |
| Grand Lake NL (Canada, Newfoundland and Labrador, Canada) |
985 ft | Grand Lake is one of those often-overlooked gems that has much to offer. Located in the province of Newfoundland, Grand Lake is a natural lake dammed… |
| Great Central Lake (British Columbia, Canada, Canada) |
961 ft | Also known as Central Lake One of the most popular spots on a hot summer day on Vancouver Island is Great Central Lake. Long and narrow, nestled beneath low mountains, Great Cen… |
| Lake Michigan-Huron (Canada, Chicagoland Region, IL, Great Lakes of North America, Illinois, Indiana, Lake Michigan Region, WI, Michigan, North Indiana, Northeast Michigan, Northwest Michigan, Ontario, Canada, Southwest Michigan, US Midwest Region, USA, Upper Peninsula Region, MI, West Central Michigan, Wisconsin) |
923 ft | Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They… |
| Bras d’Or Lake, NS (Canada, Nova Scotia, Canada) |
918 ft | Also known as Bras d'Or Lakes Bras d’Or Lake, translated as Arm of Gold, is a very large somewhat unique water body in central Cape Breton Island, part of Nova Scotia Province in C… |
| Harrison Lake (British Columbia, Canada, Canada) |
916 ft | Also known as Lake Harrison, Lake Qualts, Lake Kwals Found in Canada’s beautiful Fraser Valley, Harrison Lake is the largest body of fresh water in southwestern British Columbia. Located 75 miles (120 ki… |
| Slocan Lake (British Columbia, Canada, Canada) |
902 ft | Also known as The Slocan Beautiful Slocan Lake occupies a scenic portion of British Columbia’s Slocan River Valley. This natural undammed lake is unusual as it has no major ri… |