At nightfall, the ski instructors of the Arc-en-ciel ski school accompany you for a final descent lit up by torchlight. From Tortin, ski down to the village of Siviez on one of the blue slopes of the ski domain. At the bottom, the "verre de l'amitié" (glass of friendship) is served by the instructors in front of the ski school office. This activity is accessible to all, whether young or not so young.

In addition to the proposed dates, this activity can be organized for groups.