Sourdough is an

unincorporated community An unincorporated area is a region that is not governed by a local municipal corporation. Widespread unincorporated communities and areas are a distinguishing feature of the United States and Canada. Most other countries of the world either have ...

Sweet Grass County Sweet Grass County is a county located in the U.S. state of Montana. As of the 2020 census, the population was 3,678. Its county seat is Big Timber. The county was founded in 1895. History The Montana Legislature authorized Sweet Grass Coun ...

Montana Montana () is a state in the Mountain West division of the Western United States. It is bordered by Idaho to the west, North Dakota and South Dakota to the east, Wyoming to the south, and the Canadian provinces of Alberta, British Columbi ...

, United States. Sourdough is northeast of Big Timber. Sourdough appears on the Ryan Creek U.S. Geological Survey Map.

History

Established in 1912, Sourdough was an isolated village situated in the Crazy Mountains. It had homes and a schoolhouse. The schoolhouse has been restored and relocated to Big Timber and part of the Crazy Mountain Museum. There is nothing left in the location of Sourdough today.

References

Unincorporated communities in Sweet Grass County, Montana Unincorporated communities in Montana {{SweetGrassCountyMT-geo-stub