Castle Rock Butte is a

summit A summit is a point on a surface that is higher in elevation than all points immediately adjacent to it. The topography, topographic terms acme, apex, peak (mountain peak), and zenith are synonymous. The term (mountain top) is generally used ...

Butte County, South Dakota Butte County is a county in the U.S. state of South Dakota. As of the 2020 United States Census, the population was 10,243. Its county seat is Belle Fourche. The county was established in the Dakota Territory on March 2, 1883, and given the desc ...

, in the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. With an elevation of , Castle Rock Butte is the 235th highest summit in the state of South Dakota. The Castle Rock Butte was used by Native Americans, explorers and early settlers as a lookout and reference point during their travels. The butte looked to many travelers like a castle on a hill. The name is credited to Dr. Edwin James, a botanist on Long's Expedition of 1820. The town of Castle Rock is named after this solitary natural landmark. Castle Rock was so named on account of its castle-like outline.

References

Landforms of Butte County, South Dakota Mountains of South Dakota {{SouthDakota-geo-stub