Horn River formed along the middle course of the Horn River, and is followed downstream by the "Second Lake". The river turns south-west, where the "Mink Lake" is formed along its course. The Laferte River also flows into the Mink Lake. Horn River then flows south, and it receives the waters of the Bluefish River before it empties into the Mackenzie River, downstream from the Great Slave Lake), immediately upstream from Mills Lake, at an elevation of . The arch made by the river defines the "Horn Plateau", a flat elevated area that rises up to ) to the north and east,
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