South Lake is an unincorporated community in Kern County, California. It is located 4.5 miles (7.2 km) west-southwest of Weldon, at an elevation of 2887 feet (880 m). South Lake is located along the south shore of Lake Isabella. A CalTrans G9-2 guide sign posted along SR178 identifies the population as 160. The community uses Weldon, California's ZIP Code of 93283 and is contained within Area code 760.
According to the National Register for Historic Places, a Tübatulabal tribal settlement existed in this area circa 1499. This populated place has a US Geological Survey (USGS), National Geographic Names Database feature ID of either 1867057 (current) or 1661474 (in older editions). Elevation above mean sea level is shown as 2,887 feet (880 m).