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
U-S-A! Show", where it may spontaneously and without apparent reason follow the show's standard cheer of "Jer-ry, Jer-ry!" and is also often delivered by Homer Simpson on "The Simpsons" as a celebration of almost anything, often accompanied by honking of his car's horn and flashing of its headlights. The chant is also used on "It's Always Sunny in Philadelphia" when the gang come up with a plan. U-S-A! "U-S-A!" is a chant of the United States of America's initials popular in expressing U.S. pride and supporting U.S. national sports teams. It is also used in other community events, such as at