ⓘ Sierrita Mountains. The Sierrita Mountains is a minor mountain range about forty miles southwest of Tucson, in Pima County, Arizona. Historically, the area has ..

                                     

ⓘ Sierrita Mountains

The Sierrita Mountains is a minor mountain range about forty miles southwest of Tucson, in Pima County, Arizona. Historically, the area has seen extensive mining and ranching activity: several ranches, abandoned mines, and the large Sierrita Mine are located in the area. The highest point in the mountains is Keystone Peak, which rises to 6.188 feet.

In the valley of the Santa Cruz range to the East, separating it from mount Santa Rita. On the West boundary of the range is the broad valley of the altar. In the South-West Sierritas to merge with Cerro Colorado and Penitas hills. Tumacacori mountains of Santa Cruz County lying on the South-East.