|Mountains in the Sonoran desert|
The Sonoran desert is a desert situated in Arizona, California and Mexico. It is one of the largest and hottest deserts in North America, with an area of 120,000 square miles (311,000 square kilometres). The desert covers much of the Mexican state of Sonora and contains a variety of unique plants and animals, such as the saguaro cactus.
The desert's subregions include the Colorado and Yuma deserts.