Col de Cou from Fessy
Col de Cou from Fessy: 7.8 km at 7.4% average and 577 m of climbing, up to 1,116 m.
- Distance
- 7.8 km
- Elevation gain
- 577 m
- Average gradient
- 7.4 %
- Start altitude
- 548 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 12.3 %
- Hardest 2 km
- 9.2 %
- Hardest kilometre
- km 5 · 9.6%
- Above 8%
- 3.4 km (43% of the climb)
- Difficulty index
- 4.4 Moderate
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 | 59 min | 8.0 km/h |
| 3.0 W/kg — 210 W | 40 min | 11.7 km/h |
| 4.0 W/kg — 280 W | 31 min | 15.3 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 | 4.6 % | 594 m |
| 2 | 8.9 % | 684 m |
| 3 | 7.8 % | 762 m |
| 4 | 8.6 % | 848 m |
| 5 | 9.6 % | 944 m |
| 6 | 6.2 % | 1,006 m |
| 7 | 7.3 % | 1,079 m |
| 8 (partial) | 5.6 % | 1,125 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Boëge 11.7 km · 3.4 %
Frequently asked questions
How long is the climb to Col de Cou?
The hardest climb of Col de Cou, from Fessy, is 7.8 km long for 577 m of ascent, i.e. 7.4% average.
What is the steepest part of Col de Cou?
The steepest 500 m sits at 12.3%, and the hardest kilometre is the 5th, at 9.6%.
How long does it take to climb Col de Cou from Fessy?
Col de Cou from Fessy takes about 40 min at 3.0 W/kg, i.e. 11.7 km/h on average. The page gives three levels and their assumptions.
Col de Cou: 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.