What is the closest campground to Canyonlands National Park?

The closest campground to Canyonlands National Park is the Island in the Sky Campground, located within the park itself. This campground is situated in the Island in the Sky district near the park's visitor center. It offers 12 individual sites and one group site, available on a first-come, first-served basis. Keep in mind that this campground is quite popular, so it's a good idea to arrive early to secure a spot.