The Mojave National Preserve is located in the Mojave Desert in Southern California, USA. It lies between Interstate 15 and Interstate 40. Elevation ranges from . The preserve was established October 31, 1994.
Natural features include the Kelso Dunes, the Marl Mountains and the Cima Dome, as well as volcanic formations such as Hole-in-the-Wall and the Cinder Cone Lava Beds. The preserve encloses Providence Mountains State Recreation Area and Mitchell Caverns Natural Preserve, which are both managed by the California Department of Parks and Recreation. Impressive Joshua Tree forests cover parts of the preserve; one of the forests is the largest in the world. The defunct railroad depot and ghost town of Kelso is also found there. The preserve is commonly traversed by 4 wheel drive vehicles traveling on the historic Mojave Road.
The climate varies greatly. Summer temperatures average , with highs exceeding . Elevations in the Preserve range from at Clark Mountain to near Baker. Annual precipitation varies from near Baker, to almost in the mountains. At least 25% of precipitation comes from summer thunderstorms. Snow is often found in the mountains during the winter.