Green Valley is an unincorporated community and census-designated place (CDP)[4] in the Sierra Pelona Mountains, in Los Angeles County, California.

[5] The station was in existence by 1856, when Harris Newmark says he stayed there overnight when returning to Los Angeles from a meeting at Fort Tejon.

[7] According to the United States Census Bureau, the CDP has a total area of 12.8 square miles (33.2 km2), all of which is land.

The town is located in the Sierra Pelona within San Francisquito Canyon and lies just a few miles northwest of the Bouquet Reservoir.

According to the United States Census Bureau, Green Valley has a median household income of $83,359, with 7.6% of the population living below the federal poverty line.

[15] Much of the first three seasons of Justified (TV series), set in Harlan County, Kentucky, was filmed in Green Valley.