Tonopah Desert Tonopah Desert The Tonopah Desert is a small desert plains region of the Sonoran Desert, located west of Phoenix, Arizona. It is adjacent north of Interstate 10 and lies at the southwest intersection of the Hassayampa River with the Gila River. The Tonopah Desert is also just north of the Gila Bend Mountains massif which create the Gila Bend of the river. The Tonopah Desert is adjacent northwest of the small Palo Verde Hills on Centennial Wash. The Tonopah Desert is mostly east-west trending, small, approximately 30 mi long, and lies at the plains of low elevation mountains north; the
Sevier Desert and Cedar Valleys. The east of the Sevier Desert contains the communities lying at the foothills of the mountain ranges. The Black Rock Desert volcanic field is located west of the cities. Pavant Valley lies at the west of the Pavant Range, and west of the Canyon Mountains lies the Oak Creek Sinks adjacent east of the Sevier River, and west of Oak City. The northeast perimeter of the desert lies at the southwest foothills of the East Tintic Mountains, noted for its mining. Tintic Valley, a small valley between the West Tintic Mountains feeds southwesterly into the Sevier Desert.