Climb the combe d'Arpire to the south until to reach the col then follow the short ridge to right (west) to the summit.

http://www.chamrousse.com/nordique.

Starting from les Bletieres (or the Col du Lauteret) climb the trail to les Fournelles then the Rau (river) de Pre Boutey to the Col du Lauteret.

Start at the Col des Ayes car park after the final left hand hair pin about 400 meters before the col.

Follow the road to the Pont de la Betta then a forest trail to the habert d'aiguebelle (refuge - unguarded). From here you can climb either by the east or south face.

From the Col de Pré Long (1194 meters) take a forest path that joins the road at pt 1332 meters and from there to the parking la Souille at 1358 meters.