Where is the Sonoran Desert?

The Sonoran Desert covers the southwestern 1/3 of Arizona, a sliver of Southeastern California, the peninsula of Baja, the islands of the Sea of Cortez and Northwest Sonora Mexico. Phoenix and its suburbs are completely surrounded by beautiful, raw Sonoran Desert. It is a short trip to the edge of the city to see the Sonoran Desert as it has existed for thousands of years.