One of the most popular campgrounds in Joshua Tree National Park, Hidden Valley Campground has 44 sites scattered among large granite boulders and Joshua Trees the park is well known for. This campground is popular partly because it's centrally located to so many attractions within the park, including the famous rock climbing monolith Intersection Rock, the Hidden Valley Nature Trail, and Barker Dam just to name a few. All sites at Hidden Valley Campground are first-come, first-served. The campground has pit toilets and no water.