Best cycling routes and trails around Grand Colombier

The road between Culoz and Grand Colombier is closed for cars once a month on a Saturday of June, July, August and September:
In 2026 the road will be car-free on June 20, July 11, August 8 and September 12!

What are the cycling days?
The cycling days are free events, 4 Saturdays of the summer, the road between Grand Colombier from Culoz is closed to cars and reserved for cyclists.

The 4 roads leading to Grand Colombier are closed throughout the winter period from November to the second part of April.

In 2026 the Grand Colombier and Col de la Biche are opened since April 17th.

– By train: the Culoz train station at the foot of the Grand Colombier is located on the Lyon – Geneva railway line.
For cyclists: the Auvergne-Rhône-Alpes Region and SNCF Voyageurs offer a mandatory bicycle reservation service for €1 on all TER lines on weekends and public holidays from May 1st to September 27th, 2026, and every day in July and August at: aura.ter.veloabord.fr
– By car: several parking lots are accessible near the Culoz Bicycle House.
To do a few kilometers of warm-up before the climb, it is possible to park at the Lac du Lit au roi and follow the ViaRhôna bicycle path on 12 km.

The cycling route is not only composed of bike lanes, some parts are shared lanes and a few parts do not have any special lanes for cyclists. Find out more about the cycling lanes on our dedicated page.