Jewel Cave National Monument
South Dakota
Free entry
Immerse yourself in one of the longest caves in the world. With over 220 miles of mapped and surveyed passages, this underground wilderness appeals to human curiosity. Its splendor is revealed through fragile formations and glimpses of brilliant color. Its maze of passages lures explorers, and its scientific wealth remains a mystery. This resource is truly a jewel in the National Park Service.
Activities
No entrance fee.
Hours
Jewel Cave National Monument is a day-use area and is available for outdoor recreation on a daily basis throughout the year. However, although the monument is normally open for surface activities year round, the visitor center, park store, and ranger-guided cave tours and operational hours vary from season to season. This means that the surface features and recreational areas are open year round, yet staffing levels and visitor services may be limited during the off-season.
Conditions
Weather now: ⛅ Partly cloudy, 53°F
🌦️ 67°/48°
🌧️ 63°/53°
🌦️ 66°/49°
Things to do
Guided Cave Tours
Jewel Cave Ranger Programs
Hiking Trails
Wildflower Viewing
Historic Area
Wildlife Viewing
Visitor centers
Jewel Cave National Monument - Visitor Center
Not an official safety source — always defer to NPS.gov and rangers for life-safety decisions.
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