Description of the route

From the fork before the hamlet of Usellières, where the Valgrisenche paved road comes to an end, take the dirt road that runs alongside the stream and leads to the pastures of Tsalé and Saxe Savoie. From here, continue along route 12, which leads to the Bezzi refuge. Now continue along trail 12C, which, on the orographic right of the stream, goes up the slopes of Grande Traversière,.Bassac Sud and Déré until it reaches the pass.