Click here for more information about trails at this site. Park Hours Park Hours Weather Check Weather Coordinates 38.558465, -92.029718 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. Grounds: April through October (on-season) 6 a.m. to 8 p.m., daily November through March (off-season) 7 a.m. to 7 p.m., daily