Col de Sarenne from Le Bourg-d'Oisans
Col de Sarenne from Le Bourg-d'Oisans: 20.8 km at 6.7% average and 1,388 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
- 20.8 km
- Elevation gain
- 1,388 m
- Elevation loss
- 116 m
- Average gradient
- 6.7 %
- Start altitude
- 723 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 13.5 %
- Hardest 2 km
- 10.6 %
- Hardest kilometre
- km 3 · 11.2%
- Above 8%
- 7.6 km (36% of the climb)
- Difficulty index
- 8.8 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 | 2h23 | 8.7 km/h |
| 3.0 W/kg — 210 W | 1h38 | 12.7 km/h |
| 4.0 W/kg — 280 W | 1h16 | 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 | 9.5 % | 818 m |
| 2 | 8.4 % | 902 m |
| 3 | 11.2 % | 1,013 m |
| 4 | 7.6 % | 1,090 m |
| 5 | 8.6 % | 1,175 m |
| 6 | 7.9 % | 1,255 m |
| 7 | 9.8 % | 1,353 m |
| 8 | 7.9 % | 1,432 m |
| 9 | 6.3 % | 1,495 m |
| 10 | 7.9 % | 1,574 m |
| 11 | 8.3 % | 1,658 m |
| 12 | 7.1 % | 1,729 m |
| 13 | 6.6 % | 1,795 m |
| 14 | 5.9 % | 1,854 m |
| 15 | -1.7 % | 1,837 m |
| 16 | 0.5 % | 1,842 m |
| 17 | -6.0 % | 1,783 m |
| 18 | 0.9 % | 1,792 m |
| 19 | 4.6 % | 1,838 m |
| 20 | 8.8 % | 1,926 m |
| 21 (partial) | 8.4 % | 1,995 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Le Freney-d'Oisans 15.6 km · 6.9 %
Frequently asked questions
How long is the climb to Col de Sarenne?
The hardest climb of Col de Sarenne, from Le Bourg-d'Oisans, is 20.8 km long for 1,388 m of ascent, i.e. 6.7% average.
What is the steepest part of Col de Sarenne?
The steepest 500 m sits at 13.5%, and the hardest kilometre is the 3th, at 11.2%.
How long does it take to climb Col de Sarenne from Le Bourg-d'Oisans?
Col de Sarenne from Le Bourg-d'Oisans takes about 1h38 at 3.0 W/kg, i.e. 12.7 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.
Col de Sarenne: add this col to your collection
Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.
Create an accountFree during the beta, no card required — places are limited.
A Polar watch syncs on its own; with any other watch, import your GPX or TCX files.