(S) From the Refuge de la Vogealle, follow theGRP® Tour des Dents Blanches trail marked in red and yellow. At the next Y-junction, take the left fork to reach Lac de Vogealle.
(1) Go around it on the right and, after the lake, join the Combe aux Puaires crossroads.
(2) Continue to the right, following theGRP®, which is quite rocky here, to reach the Pas du Taureau after a steep climb. After a short descent, you will reach the Golette de l'Oule.
(3) Then begin a steep descent down a wired chimney to reach the Dents Blanches crossroads.
(4) Continue the descent and reach the Col Bostan, a pass on the border with Switzerland.
(5) Ignore the paths on the left and take the path on the right, then follow an easy trail past the Bostan bivouac hut. Next, begin a steep descent, marked in red and white, and reach the Pas de la Bide pass.
(6) Note: put down your rucksack to cross the letterbox passage, then continue along the path using the cables and reach the crossroads.
(7) Continue to the right, follow the Route de Berroix parallel to the Torrent de Barme, cross it in places and reach the crossroads at the Plateau de Barme.
(8) Cross the Torrent de Barme bridge and follow the track on the left. Walk alongside the Cabane-Refuge de Barmaz and you will reach a crossroads.
(9) Turn right towards Sous la Dent and Bonavau, following an uphill path until you reach the Chalet de Sous la Dent.
(10) Continue climbing to reach the highest point. Then continue down an easy descent to reach the Auberge de Bonavau, today's stopover point (E).