Offering 3 distinct regions to explore, waterways, mountain, and desert, this National Park offers much in recreation and educational opportunities. There are more than 112 miles of paved roads in the park and over 150 miles of unpaved roads. Camping is varied and a permit for backcountry camping is required at least 24 hours in advance. Other camp areas may have all or some of the following: picnic tables, pit or flush toilets, showers, laundry, camp store, concessionaires, or a dump station.