Park Hours Park Hours Weather Check Weather Coordinates 37.364888, -89.804450 Park HoursFor temporary closures related to weather, stewardship activities and maintenance, as well as temporary trail closures, click here to visit our Park and Site Status Map. Historic Site Grounds: Sunrise to sunset, year-round Bollinger Mill hoursTours April through October (On-Season) 10 a.m. to 4 p.m., Tuesday through Saturday Noon to 4 p.m., Sunday Closed Monday (except Memorial Day and Labor Day) November through March (Off-Season) 10 a.m. to 4 p.m., Thursday through Saturday Noon to 4 p.m., Sunday Last tour begins at 3 p.m. Historic Site Office hours8 a.m. to 4:30 p.m., Monday through Friday, year-round
