Mackenzie River great depths to bedrock. A characteristic feature of the delta is its numerous pingos, or hills of earth-covered-ice – some 1,400 of them. The Peel River, carrying much of the runoff from the northern Yukon, joins in the delta at a point northeast of Fort McPherson. Below there, the Mackenzie diverges into several large channels with the largest heading north-northeast, emptying into the Beaufort Sea west of Tuktoyaktuk. At , the Mackenzie River drainage basin encompasses nearly 20 percent of Canada. About , or 54 percent of the basin, lies above Great Slave Lake. Permafrost underlies about three-quarters of the
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