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
Steamboats of the Peace River Steamboats of the Peace River The Peace River, which flows from the Rocky Mountains in British Columbia to the Peace–Athabasca Delta and Lake Athabasca in Alberta, was navigable by late nineteenth and early twentieth century steamboats from the Rocky Mountain Falls at Hudson's Hope to Fort Vermilion, where there was another set of rapids, then via the lower Peace from Vermilion to Lake Athabasca. The Peace is part of the Mackenzie Basin, a larger river complex which includes the Athabasca, Slave, and Mackenzie Rivers. The Athabasca had large rapids too at Grande Rapids and Fort Smith; in this way the