For more information about camping at this park, click here. Park Hours Park Hours Weather Check Weather Coordinates 39.997046, -91.519032 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 sunset, daily, year-round Park Office hoursApril 15 through Oct. 31 (On-Season) 7:30 a.m. to 8 p.m., Sunday through Thursday 7:30 a.m. to 9 p.m., Friday and Saturday Nov. 1 through April 14 (Off-Season) Staff are usually available in the park Monday through Friday. The office telephone is monitored for messages during daytime hours. Beach hoursBeach closed for the season