Question: BVZ Zermatt-Bahn forms part of the route that goes through mountain resorts in what mountain range?
Sentence (from "Elkhead Mountains"): The mountain range extends approximately 16 mi east to west and 10 mi north to south, and its center is located at , approximately 20 mi northeast of Craig and north of Hayden, Colorado 13 mi south of the Wyoming border.
Relevant evidence: No