1. Algonac State Park 8732 River Rd, Cottrellville, MI 48039 Coordinate: 42.65487,-82.51448 Phone: (810) 765-5605
2. State of Michigan 8732 River Rd, Cottrellville, MI 48039 Coordinate: 42.6548,-82.51455 Phone: (810) 765-5605