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Leave your car (or shuttle) at the car park near the Chalet des Lanchettes. The markings are always yellow. You must pay close attention, as some cairns can be misleading.
(S/E) Head north towards the Robert Blanc refuge. The hike begins on a gently sloping track suitable for vehicles, which narrows near a parking area (presumably used to supply the refuge during the season). Continue climbing and cross several streams. The vegetation changes and this is a favourite spot for summer grazing herds. After skirting a rocky outcrop at the bottom, tackle a slightly steeper climb to a junction near the Lanchettes Glacier.
(1) Ignore the path on the left leading to the Croix du Bonhomme refuge and take the path on the right, which winds its way through the rocks and scree. It is important to follow the markings (yellow circles or white circles). And suddenly... the small roof you spotted, which looked like the roof of an alpine sheepfold, turns out to be the Robert Blanc refuge (majestic and perched high up). Head for it.
(2) Turn right onto the gently sloping path through the scree. Pass a rocky ridge with a few tricky sections (cables and steps). Emerge onto the lateral moraine of the glacier.
(3) Descend along the bed of a meltwater stream (yellow marker). Vegetation gradually returns.
(4) At the bottom of the moraine, the path veers left to cross the old glacier bed (alternating between streams, scree and rocky outcrops). Make sure to follow the yellow markings.
(5) After passing a rocky outcrop, the path climbs through vegetation and then over scree. Take care not to lose the path; the yellow markings are faint. Continue the descent, passing the Barre des Cabottes, before tackling a tricky climb over damp slate. The end of the climb is equipped with a cable, essential for safety. You will reach a barren scree slope.
(6) Descend towards the Col de la Seigne, following the French-Italian border. There are many hikers of all nationalities who come here. Reach the Col de la Seigne and enjoy a stunning view: Mont Blanc, with valleys on either side.
(7) Turn right onto theGR® Tour du Mont Blanc trail to descend back into the valley. The gentle slope allows you to admire the scenery.
(8) You’ll easily reach the Chalet-Refuge des Mottets.
(9) Cross the Torrent des Glaciers to begin a short climb and reach the road above.
(10) Turn right to reach the Lanchettes chalets (S/E).
Visorando member
Moderate 
Association / Club / Walk leader
