






Experience the Tour des Fiz adventure through the most technical sections!
Day 1: Depart Passy Plaine-Joux then climb to Barmus then to Chalets de Platé via the Dérochoir. After the Dérochoir, head for the Refuge de Sales, then the Alfred Wills refuge after the Pleureuse and Sauffaz waterfalls. Overnight stay at the Alfred Wills refuge. 6h45 walking, 15.5km, 1230 D+, 870 D-.
Day 2: Return to Plaine-Joux via Lac d'Anterne, then Lac de Pormenaz to the Refuge du Chatelet d'Ayères via La Chorde (passage with ladders) before returning to Plaine-Joux. 5h00 walking, 12.5km, 620 D+, 1100 D-.
Mountain location
In a nature reserve
Office de Tourisme de Passy - 20/11/2025
www.passy-mont-blanc.com
Report a problem
From 15/06 to 10/09 daily.
Check refuge openings at www.monrefugeaupaysdumontblanc.com
From November to May, the route is cleared. Snow may still be present in spring.
In winter, access to the Tour des Fiz is not recommended (high-level ski mountaineering only).
Accessible outside the snow season and depending on weather conditions. Please check with the Tourist Offices beforehand for current access conditions and the opening hours of refuges along the route.
Subject to favorable snow and weather conditions.
Phone : 04 50 58 80 52
Email : info@passy-mont-blanc.com
Website : http://www.passy-mont-blanc.com
Passage du Dérochoir: old rockfall, semi-climbing (steps, ladders, ropes).
La Chorde (descending from Lac de Pormenaz): ladders
Swimming prohibited in high-altitude lakes.
No. Itinerary in a nature reserve: dogs prohibited, even on a leash