Upper Summit Lake (British Columbia) River, Great Slave Lake and the Mackenzie River into the Beaufort Sea portion of the Arctic Ocean. Upper Summit Lake (British Columbia) Upper Summit Lake is a lake in Regional District of Fraser-Fort George, in the Central Interior of British Columbia, Canada, about north of the city of Prince George and south of the community of Bear Lake. It lies just west of Highway 97 (John Hart Highway). Upper Summit Lake is about long and wide, and lies at an elevation of . There are no inflows, and an unnamed creek flows from the southern tip of the lake to
Whitefish River (Northwest Territories) Whitefish River (Northwest Territories) The Whitefish River is a river in the Deline District, Sahtu Region, Northwest Territories, Canada. It is in the Arctic Ocean and Mackenzie River drainage basins, is a tributary of Great Bear Lake and has a watershed of . The river begins at an unnamed lake and flows west then southwest to the west side Man Drowned Himself Lake. It exits the lake at the south, takes in the unnamed left tributary arriving from Kekwinatui Lake, and heads southwest, west and northwest. It passes Whitefish River Airfield on the left bank of the river valley, and