Organ Pipe Cactus National Monument

Discover the only place in the United States where the organ pipe cactus grows wild. Visit Arizona’s Organ Pipe Cactus National Monument.

Make a trip out to the only place in the United States where the Organ Pipe Cactus – the tall cacti with branches resembling a pipe organ – grows wild.

History & Nature

This International Biosphere Reserve has a thriving community of plants and animals, and some sights can only be seen at night – like the large, white flowers that bloom on the cacti that’s more than 150 years old.

Things To Do

Almost anything you could want to do can be done in this desert wilderness; take a drive down a remote road, hike a backcountry trail, camp beneath a clear desert sky, marvel at cacti, or simply soak in the warmth and beauty of the Southwest.

Hotels, Lodging & Camping

Choose to stay at one of the many nearby campgrounds or try backcountry camping to truly immerse yourself in nature. If you prefer a little more protection from the outdoors, RVs, car camping or staying in nearby accommodation in Ajo are also popular options. Either way, hop in your car and hit the road to experience this unique desert adventure.

Hours & Pricing

Open daily, year-round.

Kris Eggle Visitor Center: Open daily, 8 a.m. – 5 p.m., closed on Thanksgiving and Christmas Day.

* Please verify hours on the website.

Park Entrance Fees:

  • Per Vehicle: $25/7-day pass
  • Individual/Bicycle: $15/7-day pass
  • Annual Pass: $45

For More Information

Organ Pipe Cactus National Monument
10 Organ Pipe Drive
Ajo, AZ 85321
(520) 387-6849

Visit Destination Website

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