Park Hours Park Hours Weather Check Weather Coordinates 38.880900, -92.332800 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. Park Grounds: Sunrise to sunset, year-round Park Office hoursApril 15 through Oct. 31 (on-season) 9 a.m. to 3 p.m., Monday through Friday Nov. 1 through April 14 (off-season) 9 a.m. to 3 p.m., Monday through Friday
