Largest lakes & reservoirs in Canada by shoreline length
The length of the exterior shoreline around a lake is measured at the lake’s normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal. A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.When known, the shoreline miles that we report in our statistics include only the lake’s exterior shoreline, and exclude the shorelines of islands located within a lake’s boundaries. In lakes with many islands, those islands’ combined shorelines may exceed a lake’s exterior shoreline.
You can find many of the world’s longest-shoreline lakes on LakeLubbers. Note: For some lakes, "Longest Shorelines" data is unknown or does not apply, 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 longest shoreline length in miles. This list does not represent all lakes in Canada, only the 164 Canada lake articles we have published on the LakeLubbers website.
Lake name | Shoreline length in miles | Lake description |
---|---|---|
Lake Simcoe, ON (Canada, Ontario, Canada) |
118 mi | Spectacular Lake Simcoe is one of the most visited vacation spots in Ontario’s south-central region. Just over an hour north of Toronto, Lake Simcoe p … |
Spednic Lake (Aroostook County, ME, Canada, Down East & Acadia Region, ME, Maine, New Brunswick, Canada, US New England Region, USA) |
106 mi | A lone canoe glides through the water of Spednic Lake with only a pair of loons for company. Unknowingly dancing between two countries, the canoeist s … |
Charleston Lake (Canada, Ontario, Canada) |
100 mi | A natural haven awaits vacationers in Eastern Ontario along the shores of Charleston Lake. Balanced along the eastern edge of the Frontenac Arch geolo … |
Adams Lake (British Columbia, Canada, Canada) |
93 mi | Located in southern British Columbia amid the Columbia Mountains, Adams Lake is a more remote and less developed neighbor to nearby Shuswap Lake. Cove … |
Lake Memphremagog, VT / Canada (Canada, Northeast Kingdom Region, VT, Quebec, Canada, US New England Region, USA, Vermont) |
75 mi | Also known as Lac Memphremagog A perfect reflection of brightly colored mountains among a blue backdrop is cast upon Lake Memphremagog’s smooth, motionless surface. A kayaker, sitti … |
Buckhorn Lake, ON (Canada, Ontario, Canada) |
70 mi | Also known as Trent-Severn Waterway, Kawartha Lakes Part of the Kawartha Chain of Lakes, Buckhorn Lake is one of the many lakes that make up the famed Trent-Severn Waterway. The waterway connects Lake O … |
Qu’Appelle Lakes (Canada, Saskatchewan, Canada) |
59 mi | Also known as Fishing Lakes, Calling Lakes Qu’Appelle? Yes, the name of a group of four popular Southern Saskatchewan lakes is a French question. Qu’Appelle Lakes, also known as the Fishing Lak … |
Slocan Lake (British Columbia, Canada, Canada) |
52 mi | 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 … |
Mabel Lake (British Columbia, Canada, Canada) |
50 mi | Located in south central British Columbia, Mabel Lake shares its shore with Mabel Lake Provincial Park and private development. Found in the midst of … |
Gull Lake, AB (Alberta, Canada, Canada) |
36 mi | Surrounded by Alberta’s wide-open spaces and endless Canadian skies, Gull Lake is located in Alberta’s Central tourism region. Well situated between E … |
Lake Minnewanka (Alberta, Canada, Canada) |
33 mi | 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 … |
Trout Lake ON (Canada, Ontario, Canada) |
32 mi | Located in Ontario’s Nipissing District, Trout Lake has everything to offer the northwoods adventurer looking for water-based activities. Often oversh … |