This park is home to the tallest single-structured sand dune in North America at a height of 470 feet, and this high mountain desert park offers lakes, prairies, and marshlands to explore. There is a wide variety of land and water recreation and activities, a nature store, a 5 mile hiking trail that will present visitors with stunning views, interpretive programs, and star/space viewing at Idaho's only public observatory. Camping is available year round on a first-come, first-served basis (weather conditions permitting). The campground offers one of the longest camping seasons of the state parks. Amenities include restrooms, showers, a group shelter, a dump station, and lots of shade trees.