

Thompson's Harbor State Park (Presque Isle County) - Plowed in the winter.Rockport Recreation Area (Presque Isle County) - Plowed in the winter.Port Crescent State Park (Huron County) - No winter plowing, visitors can hike from the parking lot to the preserve.Negwegon State Park (Alcona County) - No winter plowing.Lake Hudson Recreation Area (Lenawee County).These areas are signed and located in the following state parks: Stargazers can visit areas of state parks, specially designated by state legislature as dark sky preserves, 24 hours a day (may not be consistently plowed in the winter).
