Mackenzie River Mackenzie River The Mackenzie River (Slavey language: Deh-Cho , "big river" or Inuvialuktun: Kuukpak , "great river"; ) is the longest river system in Canada, and has the second largest drainage basin of any North American river after the Mississippi River. The Mackenzie River flows through a vast, thinly populated region of forest and tundra entirely within the Canadian Northwest Territories, although its many tributaries reach into four other Canadian provinces and territories. The river's main stem is long, flowing north-northwest from Great Slave Lake into the Arctic Ocean, where it forms a large delta at its mouth. Its extensive
Mackenzie River (Victoria) descends over its course. The river is crossed by the Henty Highway, south of Horsham. In the local indigenous language the river is named Bun-nah, meaning "tea-tree scrub"; and in the Jardwadjali language, Bunud, meaning "mallee tree, tea-tree scrub". Mackenzie River (Victoria) The Mackenzie River, an inland intermittent river of the Wimmera catchment, is located in the Grampians region of the Australian state of Victoria. Rising in the Grampians National Park, on the northern slopes of the Great Dividing Range, the Mackenzie River flows generally north by west and drains into the Wimmera River, southwest of . The Mackenzie River