The Big Blue Hills are a low mountain range in west Fresno County, in the western San Joaquin Valley of central California.

[1] Interstate 5 runs parallel to the hills on the east.

Their highest point is 564 metres (1,850 ft) in elevation.

Cantua Creek and its Arroyo de Cantúa canyon divides them from the Ciervo Hills.

This Fresno County, California-related article is a stub.