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National Monument

Organ Pipe Cactus National Monument

InformationJun 30, 2026

Water is Off at Twin Peaks Campground

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Organ pipe cactus and mountains at sunset

Visit the only place in the U.S. where you can see large stands of organ pipe cacti.

Photo: NPS Photo/ Craig Stocks

About

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.

Activities

Auto and ATVScenic DrivingAstronomyStargazingBikingRoad BikingCampingBackcountry CampingCar or Front Country CampingHorse Camping (see also Horse/Stock Use)Group CampingRV CampingGuided ToursSelf-Guided Tours - WalkingSelf-Guided Tours - AutoHikingBackcountry Hiking

Directions

The Kris Eggle Visitor Center is located on Highway 85 approximately 25 miles south of Why, AZ and 5 miles north of Lukeville, AZ, just before the US-Mexico Border.

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Weather

Summer months are hot, with temperatures exceeding 100F during the day and night-time temperatures in the high 70's. Winter months are milder, with temperatures in the 70s during the day and 30's to 40's in the evening.

News

Organ Pipe Cactus National Monument Certified as a Dark Sky Park
May 15, 2026

Organ Pipe Cactus National Monument Certified as a Dark Sky Park

The National Park Service and DarkSky International are pleased to announce Organ Pipe Cactus National Monument as a Dark Sky Park. This certification recognizes the exceptional quality of the park’s night skies and provides added opportunities to enhance visitor experiences through astronomy-based interpretive programming.

Entrance Fees

Entrance - Private Vehicle$25.00
Entrance - Motorcycle$20.00
Entrance - Per Person$15.00
Front-Country Hiking
Off-Trail Permitted Hiking
Horse Trekking
Horse Camping (see also camping)
Horseback Riding
Junior Ranger Program
Wildlife Watching
Birdwatching
Park Film
Museum Exhibits
Shopping
Bookstore and Park Store