Back To results

Jewel Cave National Monument

Location

11149 US Highway 16, Bldg. B12
Custer SD 57730

Social

The third longest cave in the world features a variety of cave tours below the surface and a 1,279-acre park with nature trails above ground. With a name derived from the crystals that line its walls, Jewel Cave is even more significant as the third-longest cave in the world. This national monument features a variety of cave tours below ground and a 1,279-acre park with nature trails above ground.