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.
Libyan Desert Desert". The term "Western Desert" contrasts with the Eastern Desert to the east of the Nile River, which lies between the Nile and the Red Sea. The Libyan desert is said to be one of the least hospitable regions on Earth. Its climate is surprisingly variable, being hot in summer, with average daytime temperatures of and above, though this drops rapidly at night. In winter, days are cool, with temperatures averaging , but at night this can drop below freezing, with temperatures of recorded. At these times the formation of hoar frost is not uncommon, and are known as "White