Latitude / Longitude:
35°36′09″N 118°36′13″W / 35.60250°N 118.60361°W / 35.60250
4,731 ft (1,442 m)
Pacific (PST) (UTC-8)
Petersburg (also, Petersburgh and Greenhorn) is a former settlement in Kern County, California. It was located on Greenhorn Creek 4.5 miles (7.2 km) west-northwest of Miracle Hot Springs, at an elevation of 4731 ft (1442 m). Petersburg still appeared on maps as of 1956.
A post office operated at Petersburgh from 1858 to 1863. The place was named for Peter Gardett, early merchant there.