Black Mountain (Pima County, Arizona)
Black Mountain is a lava capped mesa in Pima County, Arizona, that rises 1,000 feet above its base to an altitude of 3,700 feet (1,128 m). It is a northeast trending ridge, 5,600 feet in length, located along Mission Road nine miles southwest of Tucson.
Source: Wikipedia — Black Mountain (Pima County, Arizona) (CC BY-SA 4.0)