Highway noise from nearby Route 85 provides a constant backdrop at this 208-site National Park Service campground in Arizona's Sonoran Desert. Twin Peaks sits on elevated terrain within Organ Pipe Cactus National Monument, offering westward views across desert landscapes dotted with organ pipe cacti and bounded by distant mountain ranges.
The campground maintains a notably organized layout with paved RV pads and designated sections for tent camping, generator use, and quiet zones. Larry E. notes the hosts "do a great job keeping the campground spotless," with staff sweeping tent pads and collecting trash throughout the day. Solar-heated showers operate in three restroom facilities, though water temperatures remain tepid until midday. Most sites lack shade structures, making afternoon sun exposure a consideration even during cooler months.
A one-mile perimeter trail circles the campground, connecting to the 1.3-mile Palo Verde Trail that leads to the visitor center. The 21-mile Ajo Mountain Drive provides access to additional hiking opportunities, though RVs over 25 feet cannot navigate this rough dirt road. Evening ranger programs run Wednesday through Saturday at 7 PM in the amphitheater, covering topics from desert ecology to astronomy. The campground's elevation and distance from light pollution create favorable conditions for stargazing.
Pack rats present an ongoing challenge, prompting campers to keep vehicle hoods open and install undercarriage lighting overnight. Water hookups serve select RV sites, while a dump station and water fill accommodate all campers. The campground operates year-round, though summer temperatures make spring through fall the preferred seasons. For additional desert camping options, explore campsites near Organ Pipe Cactus National Monument. Reservations help secure preferred sites during peak winter months when snowbirds fill the desert Southwest.
Description
Overview
Twin Peaks Campground is located within Organ Pipe Cactus National Monument, in the heart of the Sonoran Desert along the United States border with Mexico. This landscape reveals a thriving community of plants, animals, and human stories that echo throughout this desert preserve, chronicling thousands of years of desert living. A scenic drive, a wilderness hike, or a night of camping will expose you to a flourishing, living desert.
Recreation
Along with photography and birding, hiking is ideal here. There is a 0.9 mile (1.4 km) perimeter trail around Twin Peaks Campground, and the 1.2 mile (2 km) Desert View Trail located near the group camping area. Beyond the campground area, miles of hiking trails lace Organ Pipe Cactus National Monument, some easy, others more strenuous. Some of the best hiking is off the beaten trails out in the canyons with a map and compass to guide you. Always carry water and snacks, and avoid hiking during the hottest parts of the day. More detailed trail information is available in person at the Kris Eggle Visitor Center.
Facilities
Twin Peaks offers both group and single campsites. Campsites are available by reservation only. Same day reservations may be available. Reservations can be made up to 6 months in advance.Flush toilets and potable water are located within the campground.All campsites have picnic tables and charcoal grills.Restrooms have running water and restrooms 1,4 & 5 have solar heated showers. Water may not be warm on cloudy days, or early in the morning.Restrooms 3,4, and 6 are closed April-December.Site numbers 71-145 are closed April-December.Site numbers 1,7,15,17,21,178,183,187,193, and 203 have shade structures.No hookups available for electricity, water or sewer. A dump station is located at the southern end of the campground, past the last row of tent campsites.Generators are permitted in campsites #1-#112 from 8:00 a.m.-10:00 a.m. and 4:00 p.m.-6:00 p.m. only. Generators are not permitted in RV sites #113-#174, or the tent only sites, #175-#208.__Generators are permitted in Group Campground sites #1 and #2 only.RVs are not permitted in sites 175-208.Ground fires are prohibited. Raised firepits are permitted.__Kris Eggle Visitor Center hours are:May 1st - October 31st8:00 a.m. to 4:00 p.m. dailyNovember 1st - April 30th 9:00 a.m. to 5:00 p.m daily. Free Wifi is available at the visitor center.
Natural Features
Organ Pipe Cactus National Monument exhibits an extraordinary collection of plants and animals of the Sonoran Desert. This is a showcase for creatures who have adapted themselves to the extreme temperatures, intense sunlight, and little rainfall that characterize this Southwest region. Thirty-one species of cacti have mastered the art of living in this place, including the park's namesake and the giant saguaro. Here, the life of the Sonoran Desert is protected and allowed to flourish under nearly ideal wilderness conditions. The monument is an outstanding natural preserve where one of the Earth's major ecosystems survives almost unspoiled.
Contact Info
For facility specific information, please call (520) 387-6849.
Nearby Attractions
Lukeville Port of Entry to Mexico - approximately 5 miles (8 km) to the south of the Kris Eggle Visitor Center and Twin Peaks Campground. Gas is available. Historic Ajo, AZ - approximately 33 miles (53 km) north of Twin Peaks Campground following SR 85. Gas, restaurants, shops, and groceries are available.
Charges & Cancellations
Fee Info
Group site fees: A flat fee of $50 per site per night for the group sites. There is a $25 entrance fee (good for seven days) payable upon arrival in addition to camping fees.__Interagency Passes (America the Beautiful) are accepted.
RV Road Trip Guides
Location
Public CampgroundTwin Peaks Campground — Organ Pipe Cactus National Monument is located in Arizona
Directions
The Organ Pipe Cactus National Monument boundary is 4 miles (6.4 km) south of Why, AZ following AZ SR 85. The Kris Eggle Visitor Center is 22 miles (5 km) south of Why. The Kris Eggle Visitor Center is located on the west side of AZ SR 85 between mile markers 75 and 76. Twin Peaks Campground is approximately 1.5 miles (2.4 km) from the Kris Eggle Visitor Center. Once you have exited AZ SR 85 and arrive at Kris Eggle Visitor Center, the road leading to the campground is the first left just past the visitor center. Follow signs for the campground. From the North (Phoenix): take I-10 East to AZ SR 85 south. Or, take I-10 east to AZ SR 347 south, to AZ 238 west, to AZ SR 85 south. From the East (Tucson): take AZ SR 86 to Why, then turn left on AZ SR 85, heading south. From the West (Yuma/California): follow I-8 to Gila Bend or I-10 to Buckeye, to AZ SR 85 south. From the South (Sonoyta, Mexico): travel north towards Lukeville, AZ on Mexico Rt. 2. The Kris Eggle Visitor Center is five miles north of Lukeville on AZ SR 85.
Address
10 Organ Pipe Dr.
Ajo, AZ 85321
Coordinates
31.9425 N
112.8113889 W
Connectivity
- T-MobileNo CoverageVerified by 2 usersLast on 3/7/26
- VerizonPossible CoverageVerified by 77 usersLast on 4/3/26
- AT&TLTEGood CoverageVerified by 22 usersLast on 4/3/26
Connectivity
- T-MobileNo CoverageVerified by 2 usersLast on 3/7/26
- VerizonPossible CoverageVerified by 77 usersLast on 4/3/26
- AT&TLTEGood CoverageVerified by 22 usersLast on 4/3/26
Access
- Drive-InPark next to your site
Site Types
- Tent Sites
- RV Sites
- Standard (Tent/RV)
- Group
Features
For Campers
- Trash
- Picnic Table
- Phone Service
- Reservable
- Drinking Water
- Toilets
- Alcohol
- Pets
For Vehicles
- Sanitary Dump
- Water Hookups
- Pull-Through Sites
- Big Rig Friendly
Drive Time
- 2 hrs 15 min from Tucson, AZ
- 2 hrs 17 min from Phoenix, AZ
- 2 hrs 42 min from Yuma, AZ
- 3 hrs 11 min from Sierra Vista, AZ






















































