Col du Mont Cenis from Lanslebourg-Mont-Cenis (Val-Cenis)
Col du Mont Cenis from Lanslebourg-Mont-Cenis (Val-Cenis): 10.3 km at 6.7% average and 690 m of climbing, up to 2,083 m.
Opening Fermé l'hiver. Ouverture en général courant mai selon le déneigement.
- Distance
- 10.3 km
- Elevation gain
- 690 m
- Average gradient
- 6.7 %
- Start altitude
- 1,397 m
- Road
- Main road
- Surface
- Paved throughout
- Steepest 500 m
- 10.3 %
- Hardest 2 km
- 8.2 %
- Hardest kilometre
- km 7 · 8.5%
- Above 8%
- 3.2 km (31% of the climb)
- Difficulty index
- 5.7 Sustained
FIETS index: Δaltitude² / (10 × distance) + max(0, summit altitude − 1,000) / 1,000, lengths in metres. How this index works (article in French)
How long does it take?
| Level | Estimated time | Average speed |
|---|---|---|
| 2.0 W/kg — 140 W | 1h11 | 8.7 km/h |
| 3.0 W/kg — 210 W | 49 min | 12.7 km/h |
| 4.0 W/kg — 280 W | 38 min | 16.4 km/h |
Estimated for a 70 kg rider on a 9 kg bike, in still air, at a steady effort and without stopping. Wind, a stop at the fountain or a wheel to sit on move these figures by several minutes.
The route
Climb profile
- 10% and above
- 8 to 10%
- 6 to 8%
- 4 to 6%
- under 4%
Kilometre by kilometre
| Km | Gradient | Altitude at the top of the km |
|---|---|---|
| 1 | 3.0 % | 1,427 m |
| 2 | 5.5 % | 1,482 m |
| 3 | 5.4 % | 1,536 m |
| 4 | 6.2 % | 1,599 m |
| 5 | 8.1 % | 1,679 m |
| 6 | 7.6 % | 1,756 m |
| 7 | 8.5 % | 1,841 m |
| 8 | 7.2 % | 1,913 m |
| 9 | 7.9 % | 1,992 m |
| 10 | 7.5 % | 2,067 m |
| 11 (partial) | 6.4 % | 2,086 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Susa (Italia) 30.0 km · 5.7 %
Frequently asked questions
How long is the climb to Col du Mont Cenis?
The hardest climb of Col du Mont Cenis, from Lanslebourg-Mont-Cenis (Val-Cenis), is 10.3 km long for 690 m of ascent, i.e. 6.7% average.
What is the steepest part of Col du Mont Cenis?
The steepest 500 m sits at 10.3%, and the hardest kilometre is the 7th, at 8.5%.
How long does it take to climb Col du Mont Cenis from Lanslebourg-Mont-Cenis (Val-Cenis)?
Col du Mont Cenis from Lanslebourg-Mont-Cenis (Val-Cenis) takes about 49 min at 3.0 W/kg, i.e. 12.7 km/h on average. The page gives three levels and their assumptions.
Is Col du Mont Cenis open all year round?
Fermé l'hiver. Ouverture en général courant mai selon le déneigement.
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