Le tour des 6 Vallées de l'Oisans

The Tour des 6 Vallées de l'Oisans is a 170 km, 10,000 m stage ultra-trail organized from August 17 to 23, 2025 by the Les 2 Alpes Trail association.

This unique adventure takes place over 6 varied stages through the spectacular landscapes of the Oisans, mixing high mountains, alpine valleys and rolling trails.
The 6 stages:
Les 2 Alpes → Besse-en-Oisans: 25 km, 1600 m D+
Besse-en-Oisans → L'Alpe d'Huez: 23 km, 1500 m D+
L'Alpe d'Huez → Livet-et-Gavet: 36 km, 800 m D+
Livet-et-Gavet → Ornon: 24 km, 2200 m D+
Ornon → Le Bourg d'Oisans: 22 km, 1400 m D+
Le Bourg d'Oisans → Les 2 Alpes: 38 km, 2500 m D+

A rest day is scheduled for Thursday August 21, offering participants the opportunity to recuperate before the final two stages. The Tour des 6 Vallées is designed to be accessible to a wide range of riders. Participants can choose to register for all six stages, or opt for one or more à la carte stages. Shuttle services are available to facilitate travel between start and finish points, and accommodation is available in the villages crossed.

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