Grand Colombier
A climb in the Jura above the Rhône valley: about 17.5 km from Culoz at about 7%, with very steep sections in the middle and a fine view of the Alps and Lac du Bourget from the top.
- Start: Culoz
- Length: 17.7 km
- Elevation gain: 1,261 m
- Average gradient: 7.1%
- Max gradient: 14%
- The Tour de France first climbed the Grand Colombier in 2012; Thomas Voeckler was first over the top.
- The first Tour summit finish, in 2020, was won by Tadej Pogačar.
- The 2023 summit finish was won by Michał Kwiatkowski.
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