The Hermosa property is located about 80 kilometres southeast of Tucson, Arizona, and is about 13 kilometres north of the U.S. border with Mexico. Arizona Mining land holdings now consist of patented mining claims totalling about 450 acres and unpatented mining claims totalling approximately 20,545 acres.
Hermosa is located in the Patagonia Mountains that form the western edge of the Mexican Highland section of the Basin and Range Physiographic Province of the southwest United States, with a prominent northwest-trending structural grain. Elevations in the area range up to about 2,800 metres above sea level, the Property is situated at about 1,600 metres above sea level. The Property hosts two stratigraphically controlled mineral deposits, the Taylor Deposit and the Central Deposit.