[1] Cardigan Peak at 2,922 feet (891 m) lies in the main mountain mass to the west of Ajo.

Camelback Mountain at 2,573 feet (784 m) lies just south of Ajo and overlooks the New Cornelia pit just to the east.

The southwest side of the range drains into Daniels Arroyo which flows northwest to also enter Childs Valley.

The southeast side of the range drains to the south in the Cuerda de Leña in the Valley of the Ajo and turns west around the south end of the Growler Mountains to join the northwest draining Growler Valley.

[4] Ajo, Arizona and the mountains are 70 miles (113 km) south of Interstate 8 by way of State Route 85; they are also 80 miles (129 km) west of Quijotoa, Arizona and the Tohono O'odham Reservation.