Lake George (Michigan–Ontario)  Lake George is a lake in Chippewa County, Michigan, United States, and Algoma District, Northwestern Ontario, Canada, that lies between Sugar Island in Michigan on the west and the Ontario mainland on the east. The lake is in the Great Lakes Basin and is part of Lake Huron and the St. Marys River. The primary inflow is the river arriving from Little Lake George at the north, and the primary outflow is the East Neebish Channel to the St. Joseph Channel at the south. Clockwise from mouth   Other map sources: