Jewel Cave National Monument
Science
Third-longest cave in the world with ranger-led tours — covers speleology, geology, cave formation, and Black Hills ecology.
Ages 5–18
ScienceGeographyNature
11149 U.S. Hwy. 16, Custer, SD 57730
Directions →Destination data from the National Park Service, the Smithsonian Institution and © OpenStreetMap contributors (ODbL).