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Tour des Fiz: Tour of 7 refuges in 3 days #intensive
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Description
Intensive trail running ahead? Get ready with this 50km course and over 4000m EG!
Day 1: Departure Passy Plaine Joux direction Guébriant, follow Charbonnière but before Charbonnière, turn right to climb to Platé via Les Egratz. Once at the refuge, continue towards Col du Colonney as far as Grandes Platières. Then head for Col de Platé and Col Pelouse. Descend the Combe de Gers to the Lac du Gers refuge. 6h walking, 14km, 1300D+, 1100D-.
Day 2: From the Lac de Gers refuge, head downhill towards Englène, passing through La Pépinière, Entre Deux Nants and the Cascade de Sabaudy. At Englène, cross Sixt-fer-à-Cheval to reach the Lignon, from where you'll start the climb to Grenairon. Descend to the Fonts refuge. 8h15 walking, 20km, 1500D+, 1700D-.
Day 3: From the refuge des Fonts, descend to the refuge Alfred Wills. Then head for Lac d'Anterne, passing Col d'Anterne before dropping down to the refuge de Moëde. Follow the signs for Lac de Pormenaz, then the Argentières trail to the Chatelet d'Ayères. From there, follow Lac Vert to your starting point. 8h walking, 18km, 1300D+, 1300D-.
Swimming prohibited in the high altitude lakes.
Technical Information
Altimetric profile
Starting point
Points of interest
Date and time
- From 15/06/2026 to 10/09/2026
Additional information
Environments
Mountain location
In a nature reserve
Updated by
Office de Tourisme de Passy - 20/11/2025
www.passy-mont-blanc.com
Report a problem
Open period
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.
Contact
Phone : 04 50 58 80 52
Email : info@passy-mont-blanc.com
Website : http://www.passy-mont-blanc.com
Tricky passages
Steep ascent to the Refuge de Platé (1000M EG in 2h30).
Animals
No. Itinerary in a nature reserve: dogs prohibited, even on a leash
