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Tour des Fiz: Tour of 6 refuges in 3 days #technical

© Tour des Fiz: Tour of 6 refuges in 3 days #technical - Refuge du Grenairon

Experience the Tour des Fiz adventure through the most technical sections!


Day 1: Depart Passy Plaine Joux and head for Barmus. Arriving at Ayères des Rocs, take the Dérochoir passage to reach the refuge de Sales. Continue in the direction of Salvagny, from where you'll start the climb to the Grenairon refuge. 9h30 walking, 22.5km, 2100EG, 1500EL
Day 2: From the Grenairon hut, descend to the Fonts hut, then descend to the Alfred Wills hut. 6h walking, 14.5km, 1050EG, 1200EL
Day 3: From the Alfred Wills refuge, head for Lac d'Anterne, passing the Col d'Anterne before dropping down to the refuge de Moëde. Then head for Lac de Pormenaz, then the Argentières trail to the Chatelet d'Ayères. From there, follow Lac Vert to your starting point. 4h50 walking, 12.5km, 650EL, 1100EL


  • Distance 50km
  • Difficulté Difficile
  • Type d'itinéraire BOUCLE
  • Dénivelé positif 3800m
  • Dénivelé négatif 3800m
  • Itinéraire balisé Yes

Opening period

From 15/06 to 10/09.
Check refuge openings at
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.

Adapted tourism

  • Not accessible in a wheelchair



Pets allowed : No

Itinerary in a nature reserve: dogs prohibited, even on a leash


Tour des Fiz: Tour of 6 refuges in 3 days #technical
Passy Plaine-Joux 74190 Passy
  • Distance 50km
  • Difficulté Difficile
  • Dénivelé positif 3800m
  • Dénivelé négatif 3800m
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