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 |
|---|---|---|
| Kootenay Lake, BC (British Columbia, Canada, Canada) |
505 ft | Also known as Lake Kootenay Kootenay Lake’s deep, clear waters stretch over 60 miles and 96,000 acres, reflecting the icy peaks of Kokanee Glacier. The lake is beautiful, ringed … |
| Waterton Lakes (Alberta, Canada, Canada, Glacier Country, MT, Montana, US West Region, USA) |
487 ft | Also known as Chief Mountain Lake, Knights Lake, Kootenay Lakes “Where the mountains meet the prairies” is the motto of Waterton Lakes National Park, the home of three Waterton Lakes that straddle the Montana-Alber … |
| Lake Laberge, YT (Canada, Yukon, Canada) |
479 ft | A famous poem by Robert Service forever immortalizes Lake Laberge and the wonders of the Yukon Territory. “There are strange things done ‘neath the mi … |
| Mazinaw Lake (Canada, Ontario, Canada) |
476 ft | Also known as Upper Mazinaw Lake, Lower Mazinaw Lake Amazing Mazinaw Lake holds court as the headwaters of Canada’s Mississippi River in eastern Ontario. This beautiful sprawling lake has alternately del … |
| Pitt Lake (British Columbia, Canada, Canada) |
468 ft | North America’s largest freshwater tidal lake is impressive 19,000-acre Pitt Lake near Vancouver. Nestled in a valley north of the Fraser River, Pitt … |
| Lake Minnewanka (Alberta, Canada, Canada) |
466 ft | Also known as Minnewanka Lake Lake Minnewanka holds the distinction of being the largest lake in Banff National Park. The 17-mile-long lake lies between scenic mountain ranges and … |
| Lake Kalamalka, BC (British Columbia, Canada, Canada) |
466 ft | Also known as Kalamalka Lake, Kal Lake Sitting at the edge of the cliff, he watches the water swirl in ribbons of color from pale blue-green to indigo. Overhead, the sunset turns the sky la … |
| Sakinaw Lake, BC (British Columbia, Canada, Canada) |
459 ft | Located two hours northwest of Vancouver, Sakinaw Lake is a 1,695-acre lake located on the Sechelt Peninsula of the Sunshine Coast, between Pender Har … |
| Nettilling Lake, NU (Canada, Nunavut, Canada) |
433 ft | Biting wind batters the exposed part of your face while snow collects on your parka like dust. The dogs keep pace as your sled slips across the ground … |
| Lake Athabasca, AB (Alberta, Canada, Canada, Saskatchewan, Canada) |
407 ft | Lake Athabasca is a 1,939,776-acre lake with a maximum depth of 410 feet making it the largest and deepest lake in both Alberta and Saskatchewan. Appr … |
| Lake Champlain (Adirondacks Region, NY, Canada, Lake Champlain Valley Region, VT, New York, Quebec, Canada, US Mid-Atlantic Region, US New England Region, USA, Vermont) |
400 ft | Lake Champlain, straddling New York and Vermont in the USA, and Quebec in Canada, is a natural freshwater lake seated 96 feet above sea level. Briefly … |
| Ross Lake (British Columbia, Canada, Canada, North Central Washington, US West Region, USA, Washington) |
400 ft | Also known as Ross Reservoir Spectacular Ross Lake is one of the seldom seen gems in north-central Washington. This fantastic 22-mile long reservoir covers 11,680 acres along the … |