Jewel Cave National Monument

Jewel Cave National Monument: see National Parks and Monuments (table).

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Jewel Cave National Monument

National monument, southwestern South Dakota, U.S. Established in 1908, it occupies an area of 2 sq mi (5 sq km). It is noted for its limestone caverns, a series of chambers joined by narrow passages. The known length of the caverns is 77 mi (124 km).

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Jewel Cave National Monument

Parks Directory of the United States / US National Parks / National Monuments

Address: 11149 US Hwy 16, Bldg B-12
Custer, SD 57730
Phone: 605-673-2288;
Fax: 605-673-3294;
Web: www.nps.gov/jeca/
Size: 1,274 acres.
Established: Proclaimed on February 7, 1908; transferred from Forest Service on August 10, 1933.
Location: 13 miles west of Custer, South Dakota, on US 16 or 24 miles east of Newcastle, Wyoming, on US 16.
Facilities: Picnic area, rest rooms (é), visitor center (é), museum/exhibit.
Activities: Hiking, wildlife viewing, guided cave tours.
Special Features: With more than 136 miles surveyed, Jewel Cave is recognized as the second longest cave in the world. Its limestone caverns consist of a series of chambers connected by narrow passages, with many side galleries and fine calcite crystal encrustations. More and more of the cave is discovered by explorers each year.

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See other parks in South Dakota.