Yuba Pass is a mountain pass on State Route 49 in Sierra County in the U.S. state of California. The pass lies at an elevation of 6,710 ft (2,050 m) about 3.4 air miles west of Sattley, on the divide between the North Yuba River and the Middle Fork Feather River (Sierra Valley).

Sierra County is a county located in the U.S. state of California. As of the 2020 census, the population was 3,236, making it California's second-least populous county. The county seat is Downieville; the sole incorporated city is Loyalton. The county is in the Sierra Nevada, northeast of Sacramento on the border with Nevada.