The Anza-Borrego and Western Colorado Desert Region is a vast land spanning much of San Diego County and parts of Riverside and Imperial Counties. This intriguing landscape harbors a rich variety of desert plants and animals, all within two to three hours' travel time from major Southern California cities.

 

Now in its expanded 5th edition, The Anza-Borrego Desert Region offers complete coverage of the over 1 million acres of desert lands, including Anza-Borrego State Park, Ocotillo Wells State Vehicular Recreation Area (OWSVRA), parts of the Santa Rosa and San Jacinto Mountains National Monument, and adjacent BLM recreational and wilderness lands.