We have two beautiful campgrounds available for campers this summer-Sam Stowe campground and Castle Rock campground. Sam Stowe Campground has 7 full hookup site available, which are possible to reserve May-September. Winter months the site is first come, first serve. Castle Rock campground has 30 RV/Tent sites and is taking reservations for May-September as well. Please contact the park for more information. The visitor center/museum is open 6 days a week 9 a.m. to 5 p.m. Closed Sundays in Winter. Come visit our new exhibits and museum layout!