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Day 1: Departure from the Plateau d'Assy church. Climb to Passy Plaine-Joux via the Nant Bordon footbridge. Then reach Lac Vert and take the 4×4 track to the Châtelet d'Ayères refuge. Overnight stay at the Châtelet d'Ayères refuge. Walking time: 2h10 - 450D+.
Day 2: Departure from Châtelet d'Ayères towards Ayères des Perrières. Then down to Plaine-Joux via Barmus. Finally, join the Plateau d'Assy on the path that passes under Guébriant. 2h10 - 250D+ 700D-
Swimming prohibited in high-altitude lakes.
The Chatelet d'Ayères refuge: our family favorite! Enjoy our family rooms (up to 4 people), real little cocoons. Ideal for families who want to discover the experience of spending the night in a refuge.
Office de Tourisme de Passy - 13/05/2026
www.passy-mont-blanc.com/
Report a problem
From 15/06 to 30/09 daily.
Subject to favorable snow and weather conditions.
Phone : +33 (0)4 50 58 80 52
Email : info@passy-mont-blanc.com
Website : https://www.passy-mont-blanc.com/
Departure from Place du Dr Tobé, opposite Notre-Dame-de-Toute-Grâce church in Plateau d'Assy.
Accessible by bus via line Y85 (timetable at www.borini.com/région).
Free car parking.
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