White Horse is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Modoc County

Modoc County, California

Modoc County is a county located in the far northeast corner of the U.S. state of California, bounded by the state of Oregon to the north and the state of Nevada to the east. As of the 2010 census, its population was 9,686, up from 9,449 at the 2000 census. The current county seat is Alturas, the...

, California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

. It is located on the former Great Northern Railway Bieber Line 25 miles (40 km) west-northwest of Adin

Adin, California

Adin is a census-designated place in Modoc County, California. It is located southwest of Alturas, at an elevation of 4203 feet...

, 0.7 miles (1.1 km) east of Whitehorse Flat Reservoir and 47 miles (76 km) west-southwest of Alturas

Alturas, California

Alturas is the county seat of Modoc County, California, United States. Alturas is located on the Pit River, east of the center of Modoc County, at an elevation of 4370 feet...

, at an elevation of 4423 feet (1348 m).

The White Horse post office opened in 1930, changed its name to Kinyon in 1952, and closed in 1964.