The Camper Store, located near the entrance to the campground, offers a variety of camping necessities. For additional information, please call the marina at 573-348-1233. Park Hours Park hours Weather Check Weather Coordinates 38.076556, -92.571011 Park HoursPark Grounds Sunrise to one-half hour after sunset (Anglers are exempt at boat ramps.) Boat Launch at Grand Glaize Beach Area hoursOpen year-round Boat Launch Pa He Tsi hoursOpen March through October Ozark Caverns hours2014 Traditional Tours Schedule May 15-31 11 a.m., 1 p.m. and 3 p.m. Saturday and Sunday June 1 - Aug. 15 11 a.m., 12:30 p.m., 2 p.m. and 4 p.m. daily Aug. 16-31 12:30 p.m. and 2 p.m. Tuesday through Saturday Sept. 1-15 11 a.m., 1 p.m. and 3 p.m. Saturday and Sunday Sept. 16 - May 14 closed to traditional tours School group tours are available by prior appointment from April 15 through Oct. 15. Park Office hours8 a.m. to 4:30 p.m. Monday through FridayGrand Glaize Beach hours2015 SEASON May 22 through Sept. 20 Sunrise to Sunset, daily Swim Beach - Public Beach #1 hours2015 SEASON May 22 through Sept. 20 Sunrise to Sunset, daily Ozark Caverns Visitor Center hours The visitor center will open when public cave tours begin on May 15, 2013.