2 Monuments to Explore in San Bernardino County

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. The national monument protects a section of the Castle Mountains, a range located in San Bernardino County and Clark County, Nevada.

The 154,000-acre monument extends from Bureau of Land Management lands on the Sonoran desert floor up to over 10,000 feet in the San Gorgonio Wilderness on the San Bernardino National Forest.It protects diverse montane and desert habitats of the San Bernardino Mountains, southern Mojave Desert, and northwestern Colorado Desert.