Longvale, California
| Longvale | |
|---|---|
| Coordinates: 39°33′19″N 123°25′47″W / 39.55528°N 123.42972°W | |
| Country | United States | 
| State | California | 
| County | Mendocino County | 
| Elevation | 1,191 ft (363 m) | 
Longvale is an unincorporated community in Mendocino County, California. It is located on Outlet Creek adjacent to the Northwestern Pacific Railroad and U.S. Route 101 9.5 miles (15 km) south-southeast of Laytonville, at an elevation of 1191 feet (363 m).
A post office operated at Longvale from 1911 to 1958. The post office was located in a store on the original alignment of US 101 across from Camp Piercy, near a bridge to Andersonia. The area was primarily an "auto camp" for tourists driving through the Redwood Empire on US 101.