Alt Text Map of the Mojave Desert in California and the surrounding area. The map is mostly gray with the desert highlighted in light green. Topographical details showing peaks and mountains are included on the map. Extended Description Most of the Mojave Desert is located in Southern California near its borders with Nevada and Arizona. The Sierra Nevada Mountains border the desert in the north. Within the desert is Lake Havasu along the California-Arizona border, and Lake Mohave and Lake Mead along the Nevada-Arizona border. The Colorado River, Virgin River, and Muddy River also pass through the desert.