Hay River (Canada) border, the annual discharge is . Hay River (Canada) The Hay River (in South Slavey: "Kátå’odehche") is a large river in northern Alberta and southern Northwest Territories, Canada. It originates in the muskeg of north western Alberta, flows west to British Columbia, then curves northward and returns to Alberta, where it follows a north-northeast course towards the Northwest Territories. After passing over two main waterfalls, the Alexandra Falls and Louise Falls, it flows through the town of Hay River and discharges into the Great Slave Lake. From there, its waters are carried to the Arctic Ocean by the Mackenzie River.
Bistcho Lake Bistcho Lake Bistcho Lake is a large lake in north western Alberta, Canada. Bistcho Lake has a total area of (with islands area and water surface), and lies at an elevation of . It is the third largest lake in Alberta (or fourth if considering Lake Athabasca, which is partly in Saskatchewan). Bistcho Lake is located in the hydrographic basin of the Liard River, to which it is connected by the Petitot River. The waters of the lake drain to the Arctic Ocean through the Petitot, Liard and Mackenzie River. The Jackfish Point and Bistcho Lake indian reserves of the