Buhl is a city located on the old Oregon Trail in the western half of Twin Falls County, Idaho, United States. The City of Buhl had a population of 4,452 as of July 1, 2018. It is part of the Twin Falls Metropolitan Statistical Area. Known as the “Trout Capital of the World,” Buhl produces a majority of the rainbow trout consumed in America. Buhl has two wineries, two hot spring resorts and a unique Balanced Rock Park that is popular with visitors for photo opportunities.