Col de l'Iseran

Col de l'Iseran

This col is one of the most famous and challenging road bike climbs in the French Alps. At 2,764m, it is the highest paved mountain pass in the Alps, making it a legendary route for cyclists. It often features as part of a stage in the Tour de France, adding to its prestige among road cycling enthusiasts.

The climb can be tackled from either the northern or southern side.

From Tignes Le Lac

Distance: 55km return
Elevation gain: ~1,100m
Average gradient: 5.5% (but steeper in sections)
Difficulty: challenging

Route description:

• descend 6km along D902 to Val d'Isère
• after the town begin the descent to Col de l'Iseran - the legendary TDF climb
• the final 6 to 7km are stunning with wide switchbacks, snow-capped peaks and panoramic views
• at the summit (2,770m) is a small chapel and a small café open in summer only
• the final stretch is exposed and the summit can be affected by wind - bring a windproof and warm layers
• avoid peak weekends for less traffic on the route