• Sonoran Desert at Organ Pipe NM

    Organ Pipe Cactus

    National Monument Arizona

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    Currently the park’s phone system is not functioning. Please email sue_walter@nps.gov with questions and request for information.


Organ Pipe Cactus National Monument is located in southern Arizona, south of Ajo, west of Tucson, and east of Yuma.

Plane: Nearest airports are in Phoenix and Tucson. A small airport for private planes is located in Ajo, AZ.

Car: From the NORTH: follow Arizona Highway 85 through Ajo and Why. The Monument entrance is four miles from Why. The Kris Eggle Visitor Center is 22 miles (35.4 km) south of Why. From the EAST: take Arizona Highway 86 to Why, then turn left on Arizona Highway 85, heading south. From the WEST: follow I-8 to Gila Bend or I-10 to Buckeye, then turn south on Arizona Highway 85. From Sonoyta, MEXICO: travel north towards Lukeville, AZ on Mexico Route 2. The Kris Eggle Visitor Center is five miles north of Lukeville on Highway 85.

Public Transportation: Public transportation is not available .

Getting Around: Transportation in the monument is only available by private vehicle, foot or bicycle. Ranger guided van tours to set locations throughout the monument are scheduled during the winter season. Please check at the Kris Eggle Visitor Center for information.

map showing all NPS sites in Arizona
The monument is located southwest of Phoenix.

Did You Know?

Kangaroo Rat

Kangaroo Rats are masters at desert survival. They get all the moisture they need from the seeds and plants they eat and don't need to drink any water. Their kidneys are so powerful at recycling the moisture they do get from plants and seeds, they have been known to urinate crystals. More...