Furka–Oberalp-Bahn Deh 4/4 I was operated in which southwestern Swiss canton?
Furka–Oberalp-Bahn Deh 4/4 I: The Furka Oberalp Bahn Deh 4/4 I, now known as the Matterhorn Gotthard Bahn Deh 4/4 51–55, is a five member class of metre gauge, rack rail, electric multiple units operated until 2002 by the Furka Oberalp Bahn (FO), and since then by its successor, the Matterhorn Gotthard Bahn (MGB), in the Canton of Valais, Switzerland. Valais: The canton of Valais (] ; German: "Wallis" , ] ) is one of the 26 cantons of Switzerland, situated in the southwestern part of the country, around the valley of the Rhône from its headwaters to Lake Geneva, separating the Pennine Alps from the Bernese Alps.
Valais