Map Shiawassee River State Game Area 225 E. Spruce Street, Saint Charles, MI 48655 Add To Trip WebsitePhone: (989) 865-6211 Description 9,000 acres adjoining the Wildlife Refuge. Black ducks, wood ducks, geese, waterfowl, shorebirds. Seasonality: March-April and September-November. Open all year. Videos TripAdvisor® Traveler Reviews More To Explore Categories: Outdoors Attractions City: Saint Charles Region: East Central Although the MEDC uses reasonable efforts to maintain the accuracy of the website content, it is not represented to be error free. Read legal information.