Largest lakes & reservoirs in Quebec, 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 19 articles we have published for Quebec, Canada lakes.
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Below are lakes within Canada > Quebec, Canada > Compared by longest shoreline length in miles. This list does not represent all lakes in Quebec, Canada, only the 19 Quebec, Canada lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Gouin Reservoir (Canada, Quebec, Canada) |
3,510 mi | Also known as Reservoir Gouin When the directions say ‘turn off the paved road’, you know you’re on your way to Gouin Reservoir. Visitors can drive to the lake, but most opt to fly… |
| Caniapiscau Reservoir, QC (Canada, Quebec, Canada) |
3,010 mi | Also known as Lake Caniapiscau “The money is not as useful as the land was before we lost it.” -Chisasibi Cree Native About 9,000 years ago, the glaciers receded on the Laurentian P… |
| Reservoir Cabonga (Canada, Quebec, Canada) |
2,800 mi | Also known as Cabonga Reservoir, Cabonga Lake A trip to Cabonga Reservoir in Quebec is the true definition of ‘getting away from it all’. The massive reservoir covers 261 square miles, but only 18… |
| Lake Kipawa (Canada, Quebec, Canada) |
1,200 mi | Also known as Lake Kippewa Sprawled across one of western Quebec’s most beautiful environments, Lake Kipawa offers nearly 75,000 acres of pristine water stretching into countles… |
| Manicouagan Reservoir (Canada, Quebec, Canada) |
821 mi | 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,… |
| 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) |
587 mi | 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… |
| Lac Saint-Jean, QC (Canada, Quebec, Canada) |
210 mi | Also known as Lake Saint-John, Piekouagami Follow Quebec’s Saguenay River to Lake Saint John and you will follow a path carved by time and the impressive power of nature. The two waterways are… |
| 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… |
| Lake Megantic (Canada, Quebec, Canada) |
28 mi | Also known as Lac Megantic Lake Megantic is little-known outside of eastern Quebec, but its recreational reputation is growing. The 6500-plus acre lake garnered little common aw… |
| Lake Massawippi, QC (Canada, Quebec, Canada) |
24 mi | Also known as Massawippi Lake, Lac Massawippi Lake Massawippi is a 4,448-acre recreational wonderland in southern Quebec near the Vermont border. It has a maximum depth of 281 feet and an average… |
| Bark Lake, QC (Canada, Quebec, Canada) |
23 mi | Also known as Lac des Ecorces, Lac de Barkme Bark Lake sits among the tree-covered hills of Canada’s Laurentian Mountain region a short 50-mile drive northwest of Montreal and 100 miles northeast… |
| Lac Desmarais, QC (Canada, Quebec, Canada) |
6 mi | Also known as Lake Desmarais St. Francis of Assisi, in the Roman Catholic pantheon of saints, was the patron saint of animals and the environment. It is not surprising then that L… |