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.
Escalante Desert Escalante Desert The Escalante Desert is a geographic Great Basin region and arid desert ecoregion, in the Deserts and xeric shrublands Biome, located in southwestern Utah. The Escalante Desert is northwest of Cedar City in Iron County, Utah, and extends into part of Millard County. The region spans most of Iron County, which annually has rainfall and snowfall. The Escalante region also lies primarily between State Route 56 and Route 21, as well as north and west of Interstate 15. From the Escalante Desert region's peripheral ridges, the elevation slowly declines to Lund Flats (), which has railroad tracks between