The Serpent River First Nation (Ojibwe: Genabaajing Anishinaabek), a signatory to the Robinson Huron Treaty of 1850, is an Anishinaabe First Nation in the Canadian province of Ontario, located midway between Sault Ste. Marie and Sudbury along the North Channel of Lake Huron. The First Nation's provisional territory extends from this waters of the North Channel of Lake Huron, Serpent River Basin; north beyond the city of Elliot Lake. The Serpent River nation has a provisional land base of 5250 square kilometers. It occupies the Serpent River 7 reserve.