Buhl is a city located on the old Oregon Trail in the western half of Twin Falls County, Idaho, United States.

[4] It is part of the Twin Falls, Idaho metropolitan area.

Known as the "Trout Capital of the World," Buhl is the location of numerous hatcheries in the immediate surrounding area, which produce a majority of the rainbow trout consumed in the United States.

[5] Clear Springs Foods, located just north of Buhl, processes over 20 million pounds of rainbow trout each year, making it the world's largest producer.

It is named for Frank H. Buhl of Sharon, Pennsylvania, a major investor in a Carey Act project known as the Twin Falls South Side Project, which introduced large-scale irrigation to the Magic Valley in the early 20th century.

[7] According to the United States Census Bureau, the city has a total area of 1.82 square miles (4.71 km2), all of it land.

There were 1,766 housing units at an average density of 970.3 per square mile (374.6/km2).