Tags: Mountain Range.
The Las Guijas Mountains are a small northwest – southeast trending range in southern Pima County Arizona. The range is approximately 12 kilometres (7.5 mi) long by 4 km (2.5 mi). Surrounding ranges includes the Cerro Colorado Mountains to the northeast the Tumacacori Mountains of Santa Cruz County to the east the San Luis Mountains to the south and the Baboquivari Mountains across the Altar Valley to the west.