Auto Tours
 Ajo Mountain Drive (21 miles): Winds along the foothills of the Ajo Mountains, the highest range in the area. Outstanding desert landscapes and impressive stands of Organ Pipe Cactus are among the highlights of this tour. It also includes a spectacular view of a natural stone arch in Arch Canyon. The drive takes about two hours.
Puerto Blanco Drive (53 miles): Circles the colorful Puerto Blanco Mountains and passes through a startling variety of scenery. Around one corner you will find the desert oasis of Quitobaquito, while around another you'll find a true Sonoran Desert environment, with Saguaros, Organ Pipe cacti, and Elephant trees. This trip takes half a day.
Besides these two roads, there are a few unimproved dirt roads that go further into the backcountry. Some lead to historic sites with windmills, ranch houses, abandoned gold and silver mines, and other remnants of the past. Sometimes these roads are passable only by 4-wheel drive vehicles. Check on road conditions at the visitor center.
Guidebooks are available at the Visitor Center and at the start of both drives. When auto touring, carry emergency tools; take drinking water and extra water for your vehicle; stay away from flooded areas; and never drive off the road. Ramadas and picnic areas are located in scenic spots on both drives.
Trails and Hiking
Visitor Center Nature Trail (0.1-mile round trip) is wheelchair accessible. Guide pamphlets are available at the trailhead.
Campground Perimeter Trail (1-mile round trip) allows pets, if leashed.
Desert View Nature Trail (1.2 miles round trip) is a circular route leading to vistas of Sonoyta Valley and the pink granite of the Cubabi Mountains in Mexico. Trail side signs describe features along the way.
Palo Verde Trail (2.6 miles round trip) goes between the visitor center and the campground.
Estes Canyon-Bull Pasture Trail (4.1 miles round trip) is a strenuous climb with grand views of the surrounding terrain.
Victoria Mine Trail (2.25 miles round-trip) goes over rolling terrain to the site of the oldest mine in the area.
Lost Cabin Mine Trail (4.4 miles along an old, primitive mining road.
Martinez Mine Trail (3.2 miles) to an abandoned mine over an old mining road.
Senita Basin Loop (2.25 miles) through the oldest granite hills in the Monument.
Milton Mine Trail (2.5 miles) through hills of Chrysocolla (false turquoise).
Red Tanks Tinaja Trail (1.2 miles) follows the route of ancient Hohokam following tinaja springs.
Dripping Springs Mine Trail (2.0 miles) travels through one of the moistest area of the Monument.
Arch Canyon Trail (1.6 miles) is steep and rocky with a spectacular view into Mexico.
Bull Pasture Trail (1.75 miles) through the historical focal point of all three cultures who have occupied the Monument.
Organ Pipe Cactus NM Package - Book and Map to help explore the park.
Estes Canyon Trail (2.25 miles) is a more gradual route to Bull Pasture.
Old Ajo/Sonoyta Hwy. 85 Trail (7.5 miles) a 50-year-old remnant spur along old Hwy. 85.
William Springs Trail (2.2 miles) from the Quitbaquito parking lot along the international border.
Backcountry
- Alamo Canyon (1.5 miles)
- Grass Canyon (2.4 miles)
- Twin Peaks (1.5 miles)
- Pinkley Peak (1.0 miles)
- Mount Ajo (4.0 miles)
Nearby
El Camino Del Diablo - The Devil's Highway
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