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
Mackenzie River (Queensland) Mackenzie River (Queensland) Note: Mackenzie River, Queensland is a locality but has no WP article. The Mackenzie River is a river located in Central Queensland, Australia. The Mackenzie River is a major tributary of the Fitzroy River, part of the largest river catchment flowing to the eastern coast of Australia. Formed by the confluence of the Comet and Nogoa rivers flowing from the Expedition Range, the river rises north of and flows generally north by east towards the Broadsound Range. North of the settlement of , the river flows south by east and west of the Goodedulla National Park towards