Castle Mountains National Monument
San Bernardino County, United States
Castle Mountains National Monument is a U.S. National Monument located in the eastern Mojave Desert and northeastern San Bernardino County, in the state of California. The park protects 20,920 acres, located between the interstates I−15 and I−40, and northwest of the Colorado River.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).