St. Clair River

The St. Clair River, on the border between Ontario, Canada, and Michigan, United States, connects Lake Huron with Lake St. Clair. Sarnia, Ontario and Port Huron, Michigan are located on the river which is part of the Great Lakes Waterway. The river is crossed by the Blue Water Bridge near its head and has a toll ferry near its mouth where it flows into a network of islands.