On Saturday morning, January 28, I left Tucson and drove west to Organ Pipe Cactus National Monument. My goal was to climb Diaz Peak. Diaz Peak lies immediately south of Mount Ajo in the Ajo Range. Diaz Peak has 1501 feet of topographic prominence, making it the 153rd most prominent peak in Arizona. It also has a rocky and complex structure. I hoped the GPS track provided by Matthias would guide me as I climbed to the summit.

I drove the Ajo Mountain Drive past Mount Ajo and parked off the road at Stop #15. It was later in the morning than I had expected and Diaz Peak looked far away across the desert. So I set a tentative turnaround time for myself. It was going to be a close call as to whether I would be able to summit by then.

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