Oisans Col Series – Cols Croix de Fer et Glandon

The Oisans Col Series is THE unmissable event for cyclists!
Every Tuesday of the summer, a road or a pass is reserved for cyclists. Refueling is offered at the summit.

Borrowed by the Tour de France and the Marmot, the passes of the Croix de Fer and Glandon are essential. At the top, an exceptional panorama as a reward. Reserved route from 9am to 12pm between the exit of the Rivier d'Allemond (10 km after Allemont) and the passes of the Croix de Fer and Glandon.
Passes are also reserved for cyclists on the Savoie side from 9am to 12pm since the exit of the village of St Colomban des Villards (last intersection before the Glandon pass) and from the exit of the village of St Sorlin d'Arves to the passes.
Refueling offered.

Riders are now able to climb the following roads and cols without any motor vehicles: Col du Glandon, Col de la Croix de Fer, Col d'Ornon, Col de Sarenne, Col du Sabot, the climbs to Alpe d'Huez, Villard Reculas and Oz-en-Oisans.

Free, untimed, and no registration required. Food and drink offered at the top. In case of very bad weather conditions, an event may be cancelled.
Riders should obey all traffic laws and ride safely.


  • Sports and leisure

Classification & labels

  • Cycle sports
  • Cycling
  • Meeting



Tuesday 7 July 2020 between 9 am and 12 pm.

Cancelled in case of bad weather.

Cancelled in case of bad weather


  • Free of charge

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