Are these the "Ajo Mountains" in Organ Pipe National Park, or "Ajo Peak" just outside the town of Ajo?
Anyone climbed on either of these?

The right-hand peak is Montezuma's Head, and it's in OP Nat'l Monument, to the east of the highway into the visitor's center. There is a good 5.6 adventure route starting in the saddle between the peaks, and some other routes besides.