From Rifugio Magià take path n. 12 which leads to Rifugio Cuney (2652 m), near the Sanctuary Notre Dame des Neiges. Refreshment and control point.
From the Cuney hut, go up to Col Chaleby (2653 m). The path then descends the slope up to a basin and then continues to climb decisively and with a path halfway up the hill, it reaches the bivouac Rosaire-Clermont (2700 m). Refreshment and control point. Continue to climb up to Col de Vessonaz (2793 m). The descent has a steep first section, after which you reach the Arp Damon mountain pasture (2206 m). Continue to a rocky valley and reach the Arp Vieille pasture (1944 m). The trail enters the forest and goes down to a clearing. You reach the Betenda bridge on the Buthier stream and reach Oyace (1456 m). Refreshment and control point.