Park Hours Park Hours Weather Check Weather Coordinates 38.816067, -90.119533 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: 7 a.m. to half-hour after sunset, daily, year-round Park Office hoursThe office telephone is monitored for messages between 7 a.m. and 8 a.m., Monday through Friday, year-round.
