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.
Alcovy River Alcovy River The Alcovy River (pronunciation: al-CO-vee) is a tributary of the Ocmulgee River in north-central Georgia in the United States. Via the Ocmulgee River, it is part of the watershed of the Altamaha River, which flows to the Atlantic Ocean. The Alcovy River rises in eastern Gwinnett County, northeast of Lawrenceville, and flows generally south through Walton, Newton and Jasper counties. The river is used to define portions of the boundary between Newton and Jasper counties. It joins the Yellow and South rivers to form the Ocmulgee River as part of Lake Jackson, a reservoir formed by a dam