Discover the unique places that make Organ Pipe Cactus a wonder of the desert Southwest. Encompassing more than 500 square miles of land, Organ Pipe Cactus National Monument is full of special places and resources that tell the amazing stories of nature and culture in the Sonoran Desert.

Last updated: June 24, 2018

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Mailing Address:

10 Organ Pipe Drive
Ajo, AZ 85321



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