Castle Mountains National Monument

Castle Mountains National Monument
Castle Peaks (Mojave National Preserve) as seen from Castle Mountains National Monument
Interactive map of Castle Mountains National Monument
LocationSan Bernardino County, California
Coordinates35°15′N 115°07′W / 35.25°N 115.11°W / 35.25; -115.11
Area20,920 acres (8,470 ha)
AuthorizedFebruary 12, 2016 (2016-02-12)
Governing bodyNational Park Service
WebsiteCastle Mountains National Monument

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.