The 4 Vallées ski resorts (Verbier, Nandez, Veysonnaz and Thyon) constitute one of the largest lift-served skiing areas in the world. Located entirely in Switzerland, the maximum skiable vertical at Verbier, given conditions are perfect, they involve a trail of 15km descending more than 2,500 metres, making it one of the biggest and best verticals in the world. (more…)