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Organ Pipe Cactus Nat. Monument

No Reviews
Location Ajo, AZ
Rating Easy,
Length 20mi
Time 1hr

Vehicle Types


Easy loop inside national park featuring Organ Pipe Cactus.

Explore remote desert via driving and/or hiking. See old mines, desert wildlife, and the unique organpipe cactus. Enjoy beautiful scenic mountain backdrops. We loved our stay at the Twin Peaks Campground, open to tents through 45-ft. RVs (no hookups). To enhance your experience, get a copy of the “Ajo Mountain Drive Guide” at the visitor center. Street-legal vehicles only. We saw street-legal UTVs in use.


Trail Ratings Defined

Both Ajo Mountain Drive and North Puerto Blanco Drive are well maintained. Steepest spots are paved. Temporary washouts are possible on North Puerto Blanco Drive.






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Current Conditions

(520) 3876849Organ Pipe Cactus National Monument

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Trail Updates


Submitted by Chuck Wells

Good news, Puerto Blanco Drive, a larger (but still easy) 4×4 loop on the east side of Highway 85 is open again. It was closed the last time we were there due to fears that illegal immigrants posed a danger. The Ajo Mountain Drive is very easy with all steep sections paved. The north end is very beautiful with some great hiking trails. Don’t skip this part. I stayed with my small motorhome in the Twin Peaks Campground within the park and really enjoyed it. Although there are no hookups (just widely-spaced water spigots), the sites are all very nice with concrete pads. The rangers were very friendly and helpful.



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