The San Bernardino Valley of Arizona is a 35 mi northeast-by-southwest trending valley in extreme southeast Cochise County, Arizona. The north end of the valley merges into the northwest-by-southeast trending San Simon Valley; both merge in western perimeter Hidaldgo County, New Mexico. The valley is an asymmetric graben.
Length: 35 mi (56 km) NE x SW
Width: 12 mi (19 km)
Country: United States
State: Arizona
Regions: Sonoran Desert · Chihuahua Desert
Counties: Cochise County, Arizona · Hidalgo County, New Mexico
Communities: Chiricahua, AZ · Bernardino, AZ (historical site)