If you want to ski down the mountain, you'll need to make your way to the top of it first. Jump on LEau dOlle Ski Lift and enjoy the ride.
To explore this mountainside transportation system, make your way to Saint-Sorlin-d'Arves. There are plenty of other things to see in this area, like Pass of the Iron Cross, TSF de la Lauze, and Col du Glandon.