The Kaministiquia River /ˌkæmɨˈnɪstɨkwɑː/ is a river which empties into western Lake Superior at the city of Thunder Bay, Ontario. Kaministiquia (Gaa-ministigweyaa) is an Ojibwe word meaning "(river) with islands" due to two large islands (McKellar and Mission) at the mouth of the river. The delta has three branches or outlets, reflected on early North American maps in French as "les trois rivières" (the three rivers): the southernmost is known as the Mission River, the central branch as the McKellar River, and the northernmost branch as the Kaministiquia.