the shores. Beach house with concessions during summer season. Observation platform near the top of Mt. Tom. Looking west, Chicago can be seen above the forested sand dunes. Gary, Indiana, is also visible. Birdwatching: (A bird observation tower is located along Trail 10 overlooking a marsh community.) The Nature Center is a year-round facility that has a wildlife observation window, library, and a large auditorium. An interpretive naturalist provides public hikes and programs. Picnic Shelters Hiking trails extend for 16 miles (26 km), some of which pass not only the sand dunes, but also historic structures and wet prairie. Guided hiking tours Cycling is not permitted everywhere within the park, but the Calumet Trail runs through the park and provides cycling opportunities in the park as well as access to Indiana Dunes National Park and some neighboring communities. Interpretive Naturalist Service Arts and crafts The campground was totally rebuilt in 2004. It has 140 campsites laid out on sand with new, level, asphalt pads, 50-amp electrical hook-ups, and picnic tables. Drinking water hydrants are located throughout the campground. The roads were newly laid out and paved in 2004, and are arranged in several connecting loops. Most of the trees were spared during the rebuilding so that many sites have full or partial shade. There are two large newly built shower house/restroom structures. There is a short, level forest path to the swimming beach. Dunes Nature Preserve The Nature Preserve covers the eastern 2/3 of the state park, . It is accessible only on foot. All eight of the park's trails enter the nature preserve, offering easy to rugged experiences amongst the dunes. The highlights of the preserve include: The Tremonts: Mt. Tom, above lake level; Mt. Holden, above lake level; and Mt. Jackson above lake level. Beach House Blowout and Furnessville Blowout. The Marsh with a bird observation tower. Trails Trail 8 goes up and over all three of the high dunes. It is long from the Wilson Shelter, over the high dunes, ending on the beach at the Pavilion and Beach House. Trail 10 is the longest at , but among the easier, listed as a moderate trail. It begins at the Pavilion and Bathhouse, traveling east along the open beach. About down the beach, is the Beach House Blowout. An additional further is the Furnessville Blowout. At about half way is the eastern boundary of the park, at