Black River (St. Clair River tributary)
Place
Black River is an 81.0-mile-long (130.4 km) river in the U.S. state of Michigan, flowing into the St. Clair River in the city of Port Huron. The Black River Canal in northern Port Huron extends east into Lake Huron near Krafft Road.The river rises in northern Sanilac County, near the boundary with Huron County, and its 711-square-mile (1,840 km2) drainage basin covers most of the central and southern portions of Sanilac County, most of northern St.