Uetliberg Train

The Uetliberg railway line (German: Uetlibergbahn) is a passenger railway line which runs from the central station in the Swiss city of Zürich (Zürich HB SZU) through the city's western outskirts to the summit of the Uetliberg.

The line was opened in 1875 and electrified in 1923.

The line has a maximum gradient of 7.9% and is the steepest standard gauge adhesion railway in Europe. It carries both leisure and local commuter traffic.