• 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.

Park Statistics

Ajo Mountains at Sunset
A winter sunset on the Ajo Mountains
 

The following reports are available on the NPS Stats Website.

Year to Date Reports
Monthly Public Use Reports
Annual Monument Visitation (all years)
Visitation by Month/ Year
Monument Fiscal Year Report
How We Count Visitation

 

Total Acreage

Organ Pipe Cactus National Monument is composed of 516 square miles or 330,689 square acres.

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...