Colville Lake is a settlement corporation located in the Sahtu Region of the Northwest Territories, Canada. The community is located 50 km north of the Arctic Circle, on a lake of the same name, and is northeast of Norman Wells. Colville Lake is located 745-air km northwest of Yellowknife. The terrain is characterized by black spruce and tends to be small and sparse. Other vegetation includes mosses, lichens, grasses and alders.The winter months begin in October and last until April. The month of May is considered the spring or breakup period. By the end of May or Early June the lakes and rivers are normally free of ice, although this varies.