Click here for more information about boating at the park. Park Hours Park Hours Weather Check Weather Coordinates 37.891758, -93.298463 Park HoursPark Grounds Sunrise to sunset, year-round Park Office hours8 a.m. to 4:30 p.m. Monday through Friday year-roundPittsburg Beach hours Season: May 21 through Sept. 6 10 a.m. - sunset daily Hermitage Beach hoursSeason: May 21 through Sept. 6 10 a.m. - sunset daily