Winterhaven is a census-designated place (CDP) in Imperial County, California. Winterhaven is located 6.5 miles (10 km) east of Pilot Knob. It is part of the 'El Centro, California Metropolitan Statistical Area'. North of Interstate 8 and bordering Yuma, Arizona, the town is partly located in the Fort Yuma Indian Reservation. The Colorado River is the town's eastern border.