Painted Rock Mountains The Gila River crosses all of southern Arizona from southwest New Mexico, and is the drainage for about 1/2 of Arizona (the south). The highest elevation in the mountains is "unnamed" at , and is located at the central & east region of the range. (The range has many northwest-by-southeast ridgelines.) 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
Great Sandy Desert Great Sandy Desert The Great Sandy Desert is an interim Australian bioregion, located in the North West of Western Australia straddling the Pilbara and southern Kimberley regions. It is the second largest desert in Australia after the Great Victoria Desert and encompasses an area of The Gibson Desert lies to the south and the Tanami Desert lies to the east of the Great Sandy Desert. The Great Sandy Desert contains large ergs, often consisting of longitudinal dunes. In the North East of the desert there is a meteorite impact crater, the Wolfe Creek crater. The region is sparsely populated. The