Next was the 49er route from Los Angeles which followed that route to Mud Springs, then turned directly north across the Antelope Valley to Cottonwood Creek, following it up the east slope of the Tehachapi Mountains to cross them at the old Tejon Pass, where it descended the west slope into the canyon of Tejon Creek, which the road followed down through Rancho El Tejon into the San Joaquin Valley and then north to the gold fields on the route that became the Stockton - Los Angeles Road.