Mackenzie River east into the Churchill River. The eastern portion of the Mackenzie basin is dominated by vast reaches of lake-studded boreal forest and includes many of the largest lakes in North America. By both volume and surface area, Great Bear Lake is the biggest in the watershed and third largest on the continent, with a surface area of and a volume of . Great Slave Lake is slightly smaller, with an area of and containing of water, although it is significantly deeper than Great Bear. The third major lake, Athabasca, is less than a third that size with an area of
Toad River name for the river is Tsal-eh-chesi. The Toad River flows generally north and northeast, passing through Muncho Lake Provincial Park, to join the Liard River. The Liard River is a tributary of the Mackenzie River, which empties into the Arctic Ocean. The community of Toad River, British Columbia is located in the lower reaches of the river where it is crossed by the Alaska Highway, near the Liard. Part of the river flows through the Muskwa-Kechika Management Area. Toad River The Toad River is a river in the Canadian province of British Columbia. The Toad River was named for the