New Year – New Discoveries At Jewel Cave National Monument in Custer South Dakota

Experience Your America – The National Park Service cares for special places saved by the American people so that all may experience our heritage. Volunteer caver Chris Pelczarski overlooks New Year’s Lake, discovered on January 1, 2017. NPS Photo / Dan Austin

Custer, SD – As the calendar welcomed another year, volunteer cavers at Jewel Cave National Monument realized that 2017 would be a year of great excitement. In what has become an annual tradition, explorers entered the cave on Friday, December 30, 2016 for a four-day trip. The cavers traveled to the recently established Deep Camp on the southwest edge of the known cave. While there, they mapped and surveyed an additional 9,777 feet of new passages. This extended the length of Jewel Cave beyond 185 miles.

When the team celebrated New Year’s Eve at base camp, no one could have been prepared for finding two new lakes on January 1, 2017. With water being rare and only found in less than 1% of the known cave, the discovery of additional lakes is exciting for the Monument’s future. The lakes were aptly named New Year’s Lake and Bonus Lake.

Superintendent Bonnie Schwartz states, “With the establishment of a third base camp in Jewel Cave, opportunities for discovery are quite literally waiting in the shadows of unexplored leads. With the dedication of specially trained volunteer cavers, more secrets of Jewel Cave will be revealed.”

Chief of Resource Management Mike Wiles comments, “Based on the geology and hydrology of the area, I predict that we’ll be seeing many more lakes to come. No one knows for sure what the new discoveries will reveal, but that’s my educated guess.” During this exploration trip, volunteer cavers also discovered the deepest known point in the cave, measuring 814.3 feet. When measuring cave depth, measurements are taken from the highest point to the lowest in the cave, not necessarily from the surface.

To experience your own Jewel Cave adventure, the Monument’s visitor center is open daily during the winter season from 8:30 a.m. to 4:30 p.m. Tours are currently offered Friday through Sunday; the Scenic Tour is available at 10 a.m. and 2 p.m., with accessible Discovery Talks at 9:05 a.m., 12:45 p.m., and 3:45 p.m.

Scenic Tour and Discovery Talk tickets are available on a first come first serve basis; advanced ticket sales are not available during the winter months. For more information, contact the visitor center at (605) 673-8300 or visit the Monument online at

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