Stockton–Los Angeles Road

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The Stockton–Los Angeles Road, also called Millerton Road and other names, began around 1853 after gold was found on the Kern River. It was built to connect Stockton with Los Angeles by traveling through the Sierra foothills, keeping travelers out of the wet lowlands, and serving miners, freighters, and settlers moving north and south.

Origins and purpose
In the early days of the California gold rush, officials and merchants looked for a practical inland route from Southern California to the northern mining regions. The new road followed routes described in travel and survey reports from 1853, which sought a wagon road and potential railroad path through interior California. As gold discoveries spread beyond the Mother Lode, the Stockton–Los Angeles Road became a busy trade and supply line, linking ship traffic in Los Angeles and San Pedro with mines in the Kern River area and beyond.

The main route and its turning points
- The journey began in Stockton, heading southeast toward the Sierra foothills to avoid swampy lowlands and floods along the San Joaquin River.
- It crossed major rivers and creeks in sequence, including the Stanislaus, Tuolumne, Merced, Bear Creek, and the Mariposa and Chowchilla rivers, as the road climbed toward higher ground on the eastern edge of the Sierras.
- As it neared the eastern foothills, the route followed the hills to stay closer to mining districts. It reached the Kern River region near Fort Miller (today near Friant) and the settlement network around Millerton.
- From there, the road turned toward the Kern River mining zones and then continued toward the Tulare Lake region, passing through or near several towns and crossing points along the way, such as Visalia (near the Four Creeks of the Kaweah River delta) and Tule River crossings.
- The final leg climbed through the Grapevine Canyon toward Fort Tejon Pass in the Tehachapi Mountains. From Fort Tejon Pass, the route descended toward the San Fernando Valley, reached the Cahuenga area, and finally led into Los Angeles.

Two important passes and an evolving route
- Early travelers favored the Tejon Pass route, but the original Tejon Pass was known to be very rough for wagons. Observers recommended alternatives, especially the Grapevine Canyon route (La Cañada de las Uvas), which eventually became the more popular choice for freight and emigrant teams.
- Over time, the Tejon route was shortened and renamed Fort Tejon Pass, while the Grapevine Canyon route gained prominence as the main inland railroad corridor was developed later.

Development and decline
- In the 1850s, several mining booms nearby—at Kern River, White River, Owens River, and the Coso District—kept the Stockton–Los Angeles Road busy. Wagon trains carried supplies, cattle, and immigrants, and ferries sprang up at crossing points.
- A notable improvement came when Phineas Banning added a cut through the Santa Clara Divide to speed the ascent and descent, and Lyon Station (named after his movement of business operations) became a key stop. The Butterfield Overland Mail used the southern portion of the road from 1858 to 1861.
- By the 1870s, the railroad reached Los Angeles, gradually replacing long-distance wagon traffic. In the 1880s, irrigation projects diverted water from the San Joaquin Valley’s lowlands, making the route less reliable in bad weather, and the road's importance faded.

In short, the Stockton–Los Angeles Road served as a vital inland link during California’s early mining era, guiding miners, freighters, and settlers along a route that connected Stockton and the coast to the Kern River mines and the growing towns of the Tulare and San Joaquin valleys, before being eclipsed by the railroad and changes in water and transportation infrastructure.