Organ Pipe Cactus National Monument Ajo Mountain Loop Road across from the Visitor Center road off Highway 85, south central Arizona

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The Ajo Mountain Loop road on Organ Pipe Cactus National Monument is 21 miles long, mostly gravel and mostly one-way. It is an awesome scenic drive that takes visitors to the base of Mount Ajo and to the Arches and Estes Canyon trailheads. This is the most popular drive in the Monument and offers excellent views of Sonoran Desert habitat.

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Photo credit: © Terry Thomas / Alamy / Afripics
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