Painted Rock Mountains Painted Rock Mountains The Painted Rocks Mountains are a short 15-mile (24 km) long mountain range of the north-central Sonoran Desert southwest of Phoenix, Arizona and in southwest Maricopa County. The Gila River flows through the central-north end of the range. The famous Painted Rock Petroglyph Site lies at the northeast end of the range, adjacent the Painted Rock Reservoir, and the reservoir lies at the eastern end of the agricultural river valley that is locally names as the Lower Gila River Valley, extending approximately from the Colorado River at Yuma to the west and the reservoir at the east.
Black Rock Desert Wilderness within the Black Rock Desert – High Rock Canyon Emigrant Trails National Conservation Area, also managed by the BLM. Black Rock Desert Wilderness The Black Rock Desert Wilderness is a U S Wilderness Area in Nevada under the Bureau of Land Management. It is located in the east arm of the Black Rock Desert playa east of the Black Rock Range and west of the Jackson Mountains. The wilderness has a land area of 314,829 acres, or 1,274.1 km². It is the largest U.S. designated wilderness area that is managed solely by the Bureau of Land Management, and the largest