Organ Pipe Cactus National Monument • Arizona

Organ pipe cactus and mountains at sunset

sun setting on a green organ pipe cactus

View of Alamo Canyon trail, flanked by saguaros and vegetation with mountains in background

Sonoran pronghorn with cholla stuck to its face

A saguaro cactus with white blooms, with reddish mountains in the background

Look closely. Look again. The sights and sounds of Organ Pipe Cactus National Monument, an International Biosphere Reserve, reveal a thriving community of plants and animals. Human stories echo throughout the Sonoran Desert, chronicling thousands of years of desert living. A wilderness hike, a scenic drive, or a night of camping will expose you to a living desert abounding with hidden life.

Visit the only place in the U.S. where you can see large stands of organ pipe cacti.
NPS Photo/ Craig Stocks

Experience the only place in the US where the Organ Pipe Cactus naturally grows
NPS Photo

Capture amazing views from trails and scenic drives
NPS Photo/ C Stocks

Experience the wildlife of the most biodiverse desert in North America
NPS Photo/ D Martin

Experience the rich assemblage of cacti at Organ Pipe Cactus.
NPS Photo/ K Ceballos

Two organ pipe cacti, amongst cholla and desert scrub, are illuminated by a sunset

Find out the information you need to know about planning a trip to Organ Pipe Cactus!

A camper secures a corner of a tent into the ground. Desert vegetation grows in the background

Organ Pipe Cactus offers many camping options including developed, primitive, and backcountry.

woman hiking on a desert trail

Organ Pipe Cactus has many miles of hiking trails to explore!

Two birders gaze towards the top of a saguaro. More saguaros grow in the background.

Explore the many different ways to recreate, learn about, and experience Organ Pipe Cactus National Monument.

A ranger, in uniform, talking with two visitors

During the winter months, learn about Organ Pipe Cactus through our ranger-led programs.

A welcome sign for Organ Pipe Cactus National Monument sits on a small hill covered in desert plants

Learn about the entrance fees and what passes are available at Organ Pipe Cactus.

Rippling clouds reflect the colors of the sunset. Rocky hills and cacti stand in stark silhouette

Learn about the uniqueness of the desert climate that enables this natural wonderland to function.

A rocky wash with two waterfalls and a running wash due to rain.

Discover current road, trail, and weather conditions in Organ Pipe Cactus.

Last updated: November 19, 2024

Contact Info

Mailing Address:

10 Organ Pipe Drive
Ajo, AZ 85321

Phone:

520-387-6849

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