Kingriver (also, King's River and Smith's Ferry) is a former settlement in Fresno County, California. It was located at 7 miles (11 km) northeast of Sanger.
Map of Kings River, California, USA
A post office opened at King's River from 1856 to 1859. A post office opened at Smith's Ferry in 1865, renamed to King's River in 1866, changed its name to Kingriver in 1895, and closed for good in 1905.
References
Kingriver, California Wikipedia(Text) CC BY-SA