Col de Sarenne from Le Freney-d'Oisans
Col de Sarenne from Le Freney-d'Oisans: 15.6 km at 6.9% average and 1,076 m of climbing, up to 1,999 m.
Opening Fermé l'hiver. Ouverture en général entre fin mai et juin ; la route traverse le domaine skiable et n'est pas déneigée en saison.
- Distance
- 15.6 km
- Elevation gain
- 1,076 m
- Average gradient
- 6.9 %
- Start altitude
- 926 m
- Road
- Minor road
- Surface
- Paved throughout
- Steepest 500 m
- 14.2 %
- Hardest 2 km
- 10.2 %
- Hardest kilometre
- km 14 · 10.3%
- Above 8%
- 6.2 km (40% of the climb)
- Difficulty index
- 8.3 Hard
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 | 1h50 | 8.5 km/h |
| 3.0 W/kg — 210 W | 1h16 | 12.4 km/h |
| 4.0 W/kg — 280 W | 58 min | 16.1 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 | 5.2 % | 979 m |
| 2 | 4.8 % | 1,026 m |
| 3 | 5.0 % | 1,076 m |
| 4 | 9.8 % | 1,175 m |
| 5 | 1.7 % | 1,191 m |
| 6 | 8.7 % | 1,278 m |
| 7 | 8.7 % | 1,365 m |
| 8 | 2.4 % | 1,390 m |
| 9 | 3.9 % | 1,429 m |
| 10 | 7.5 % | 1,504 m |
| 11 | 8.8 % | 1,592 m |
| 12 | 7.1 % | 1,663 m |
| 13 | 9.4 % | 1,757 m |
| 14 | 10.3 % | 1,861 m |
| 15 | 9.7 % | 1,957 m |
| 16 (partial) | 6.1 % | 1,996 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Le Bourg-d'Oisans 20.8 km · 6.7 %
Frequently asked questions
How long is the climb to Col de Sarenne?
The hardest climb of Col de Sarenne, from Le Freney-d'Oisans, is 15.6 km long for 1,076 m of ascent, i.e. 6.9% average.
What is the steepest part of Col de Sarenne?
The steepest 500 m sits at 14.2%, and the hardest kilometre is the 14th, at 10.3%.
How long does it take to climb Col de Sarenne from Le Freney-d'Oisans?
Col de Sarenne from Le Freney-d'Oisans takes about 1h16 at 3.0 W/kg, i.e. 12.4 km/h on average. The page gives three levels and their assumptions.
Is Col de Sarenne open all year round?
Fermé l'hiver. Ouverture en général entre fin mai et juin ; la route traverse le domaine skiable et n'est pas déneigée en saison.
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