BVZ Zermatt-Bahn forms part of the route that goes through mountain resorts in what mountain range?
BVZ Zermatt-Bahn The Brig-Visp-Zermatt-Bahn (BVZ) – officially known between 1991 and 2002 as the BVZ Zermatt-Bahn – is a metre gauge railway in the Canton of Valais, Switzerland. Its 44 kilometre long line links the communities of Brig and Visp in the Rhone Valley with Täsch and the car free holiday resort of Zermatt in the Mattertal. The BVZ also forms part of the much travelled and admired route of the Glacier Express between St. Moritz and Zermatt. Opened in 1891 as the "Visp-Zermatt-Bahn" (VZ), the BVZ merged on 1 January 2003 with the Furka Oberalp Bahn (FO) to form the Matterhorn Gotthard Bahn (MGB).
Piz Corvatsch Piz Corvatsch ( ]  ) is a mountain in the Bernina Range of the Alps, overlooking Lake Sils and Lake Silvaplana in the Engadin region of the canton of Graubünden. With an elevation of 3451 m , it is the highest point on the range separating the main Inn valley from the Val Roseg. Aside from Piz Corvatsch, two other slightly lower summits make up the Corvatsch massif: Piz Murtèl (3433 m ; north of Piz Corvatsch) and the unnamed summit where lies the Corvatsch upper cable car station (3303 m ; north of Piz Murtèl). Politically, the summit of Piz Corvatsch is shared between the municipalities of Sils im Engadin and Samedan, although the 3,303 m high summit lies between the municipalities of Silvaplana and Samedan. The tripoint between the aforementioned municipalities is the summit of Piz Murtèl.