Description of the route
In Gimillian, a hamlet of in Cogne, take the dirt road that leads to Plan de Teppe. From here take route 3, which cuts over the hillside to the valley of Arpisson and the pasture of the same name. At the cabins, take trail 2 on the right, which goes up to a crossroad and here, ignore route 2 on the right and take trail 2A on the left, which brings you to Tsasèche Pass.