Buckeye Valley is a valley on the north side of the great bend in the Gila River, in Maricopa County, Arizona. Its mouth is at an elevation of . Its head is at an elevation of 922 feet at .
For over 2,000 years, the Hohokam culture flourished in Buckeye Valley. Massive irrigation techniques were developed that allowed crops to develop, architecture, as well as Mesoamerican ballcourts.