Mojave Trails National Monument is a U.S. National Monument located in the state of California between Interstates 15 and 40. It partially surrounds the Mojave National Preserve. The focal point of the new preserve is the remote and nearly pristine Cadiz Dunes that formed from the sand of dry lake beds.
Amboy Crater is an extinct North American cinder cone type of volcano that rises above a 70km2 lava field in southern California. It is a National Natural Landmark located in the Eastern Mojave Desert and within Mojave Trails National Monument, in San Bernardino County, California.
