• Sonoran Desert at Organ Pipe NM

    Organ Pipe Cactus

    National Monument Arizona

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  • Phone System is Not Working

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

Contact Public Affairs

For additional media inquiries, please contact the park's Public Information Officer,
Sue Walter, at

Organ Pipe Cactus National Monument
10 Organ Pipe Drive
Ajo, AZ 85321

Phone: (520) 387-6849 ext. 7301
Fax: (520) 387-7475

Or you and send an e-mail by clicking here.

Did You Know?

Did You Know?

Lesser long-nosed bats are considered an endangered species. Every summer Organ Pipe Cactus NM hosts a "maternal" colony consisting of 20,000 pregnant female bats. They come to feast on the pollen, nectar and fruit of the cactus. They are the primary pollinator of Organ Pipe Cactus. More...