List of mountain ranges of Pima County, Arizona

The regional major and minor mountain regions called Madrean Sky Islands, the sky islands region of southeast Arizona, extreme southwest New Mexico, and northern Sonora, Mexico, the north extension of the Sierra Madre Occidental, the western cordillera of northern and western Mexico. (highest elevation in bold)

• Baboquivari Mountains (Arizona)( 7730 )Pima County; See: Baboquivari Peak Wilderness
• Pozo Verde Mountains( 4885 )
• Quinlan Mountains( 5014 )
  (on eastern border of Sonoran Desert region-(extension north of Baboquivari Mountains))
• Rincon Mountains–( 8664 )
• San Luis Mountains( 5369 )
• Santa Catalina Mountains–( 9157 )–Pima County, Pinal County
• Santa Rita Mountains–( 9453 )^[1]–Santa Cruz County, Pima County
• Tortolita Mountains( 4652 )
  (both in Madrean sky island region, and also on border of Sonoran Desert ranges-(northeast Madrean))
  (Minor ranges: Cerro Colorado Mountains and San Luis Mountains on western border of the Madreans)

• List of mountain ranges of the Sonoran Desert
• List of Madrean Sky Island mountain ranges - Sonoran - Chihuahuan Deserts