Jewel Cave National Monument
Custer, SD
Nature
One of the longest caves in the world, lined with calcite crystals. Tours sell out in summer, so reserve online; the Scenic Tour has hundreds of stairs, and the visitor center is off US-16 west of Custer.
- Nearest town
- Custer, SD
- Category
- Nature & parks
- GPS
- 43.7298, -103.8290
Hours, fees and access change. Confirm with the operator or park before you go.
