Col de l'Iséran
Rhone-Alpes, france
47.4km 2050m 4.3%
HCHC
Col de l'Iséran
Rhone-Alpes, france
Col de l'Iséran covers 47.4km and 2,050m of climbing, reaching 2,770m at the summit. Averaging 4.3%, the road kicks to 8.6% at its steepest — a notable steepening that demands respect. 12 hairpins punctuate the ascent, offering brief respite in the corners before the gradient bites again. The summit at 2,770m sits above the treeline, where the air thins and the views extend to distant peaks. Located in Rhone-Alpes, France.
- The 1st climb in France by distance.
- The 2nd climb in France by elevation gain.
- Harder than 99% of climbs in France.
- Summit above 2700m — expect thin air, snow into early summer, and conditions that change fast.
- One of only 1,152 Hors Catégorie climbs in the database.
Distance
47.4km
Avg Gradient
4.3%
Max Gradient
8.6%
Elevation Gain
2050m
Summit
2,770m
Wall Rating
6.7
Loading map...
What things cost
Typical prices in France
€3.20
Coffee
€6.00
Beer
€15.00
Meal
€1.80
Water
Ad
Common Questions
Where to stay near Col de l'Iséran
Find accommodation close to the start of your ride.
Search hotels near Col de l'IséranMore HC climbs in this area
Chalets des Auges from Entremont
Rhone-Alpes, france
10.6km 987m 9.3%
HCCol de la Loze
Rhone-Alpes, france
22.5km 1717m 7.6%
HCCol de la Platta from Brides les Bains
Rhone-Alpes, france
19.5km 1560m 8%
HCChamrousse from Séchilienne
Rhone-Alpes, france
18.4km 1422m 7.7%
HCCol du Grand Colombier from Talissieu via Chavornay
Rhone-Alpes, france
13.9km 1260m 9.1%
HCCol de la Loze via La Tania
Rhone-Alpes, france
24.4km 1559m 6.4%
HC