Wilson Butte Cave
About this property
Wilson Butte Cave is located on the Snake River plain in Jerome County, northeast of Twin Falls and southeast of Shoshone, Idaho. It is an archeological site listed on the National Register of Historic Places and maintained by the Bureau of Land Management (BLM). A round bubble in appearance, it pops up from a flat, wide bed of ancient basalt lava. An inflationary or uplift cave is inside the bubble. While archeologists are uncertain of the exact dates prior to 10,000 years ago, evidence has been found that native peoples lived at Wilson Butte Cave at least 10,000 years ago. Artifacts found here provide the oldest evidence of human presence on the Snake River Plain and are among the oldest evidence in North America. Archeologists are fairly certain that the cave was settled so early because it was used as a base to hunt bison. Strong connections have been found between the Fremont culture and the Shoshone people, who lived there after the Fremont peoples. Vegetation in the region was very similar to modern times. Camels and giant ground sloths once roamed this region. Deposits here are believed to have been undisturbed until amateurs discovered them in 1958. Two of the major excavations of the cave were conducted by teams led by Ruth Gruhn: one in 1959–1960 and one in 1988–1989. Gruhn dates the site's earliest occupation to 14,000–15,000 years ago. The lava of the area is a dark gray to black fine-grained basalt. The cave is a lava tube developed in a pressure ridge in the flowing lava. The source of the lava is Wilson's Butte, which is about one half mile southeast of the cave. The lava is more than 15,000 years old, as determined by radiocarbon dating of a camel bone from within a lava tube cave. The bone had tool markings indicating working by humans.
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Property data from the National Register of Historic Places, National Park Service (public domain).
Description adapted from Wikipedia under the Creative Commons Attribution-ShareAlike 4.0 International License.
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Questions about this property
When was Wilson Butte Cave listed on the National Register?
Wilson Butte Cave was listed on the National Register of Historic Places on November 21, 1974.
What type of historic resource is Wilson Butte Cave?
Wilson Butte Cave is classified as a site in the National Register of Historic Places.
What is the period of significance for Wilson Butte Cave?
The period of significance for Wilson Butte Cave is recorded as the listed era.
Can I research the history near Wilson Butte Cave?
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