Organ Pipe Cactus NM

Organ Pipe Cactus National Monument is located in an area of wide alluvial basins separated by steep mountain ranges. Elevations range from 981 in the southwest corner of the monument to 4800 feet at the top of Mt. Ajo, the highest peak in the monument. The mountains are all volcanic in origin and make an excellent stop for students studying the geology of the Southwest. The rare springs and streams support a variety of wildlife, including many species of cactus and other desert plants. The monument is also home to a variety of animals, including several species of snakes and lizards.