Thyon is a purpose-built ski resort in the Swiss Alps, located in the canton of Valais. The resort is situated in the central part of the canton, in the region of Sion, and is associated with the village of Les Collons. It forms part of the "4 Valleys" interlinked ski area, which together includes Thyon, Veysonnaz, Haute-Nendaz, Verbier and La Tzoumaz. The ski pistes from Thyon and Veysonnaz effectively constitute a large, single integrated ski area, and connect with the rest of the "4 Valleys" area.