Belle Fourche River Campground is the only National Park Service campground within Devils Tower National Monument, offering 46 first-come, first-served sites (mid-May to mid-October) with flush toilets, potable water, fire pits, and picnic tables along the Belle Fourche River.

The campground accommodates RVs up to 35 feet and provides direct views of Devils Tower, making it an ideal base for hiking and exploring the monument. Sites typically remain available until early evening, with fees around $20-30 per night.