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
Albreda Lake shore of the lake. Albreda Lake Albreda Lake is a lake in Thompson-Nicola Regional District in the Interior region of British Columbia, Canada. It is in the Pacific Ocean drainage basin. The primary inflow, at the northeast, and outflow, at the southeast, is the Albreda River, which flows via the North Thompson River, the Thompson River and the Fraser River to the Pacific Ocean. The locality of Albreda is to the north, and both British Columbia Highway 5 and the Canadian National Railway transcontinental main line (used by freight traffic and the Via Rail "Canadian" train) pass by to the