Col de Cou from Boëge
Col de Cou from Boëge: 11.7 km at 3.4% average and 397 m of climbing, up to 1,116 m.
- Distance
- 11.7 km
- Elevation gain
- 397 m
- Elevation loss
- 23 m
- Average gradient
- 3.4 %
- Start altitude
- 752 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 8.3 %
- Hardest 2 km
- 6.8 %
- Hardest kilometre
- km 10 · 6.7%
- Above 8%
- 1.1 km (9% of the climb)
- Difficulty index
- 1.3 Easy
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 | 48 min | 14.5 km/h |
| 3.0 W/kg — 210 W | 35 min | 19.8 km/h |
| 4.0 W/kg — 280 W | 29 min | 24.1 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 | -1.3 % | 740 m |
| 2 | 0.3 % | 742 m |
| 3 | 3.5 % | 778 m |
| 4 | 1.3 % | 791 m |
| 5 | -0.1 % | 790 m |
| 6 | 2.8 % | 818 m |
| 7 | 5.3 % | 871 m |
| 8 | 3.9 % | 910 m |
| 9 | 4.6 % | 956 m |
| 10 | 6.7 % | 1,023 m |
| 11 | 6.3 % | 1,086 m |
| 12 (partial) | 6.0 % | 1,127 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Fessy 7.8 km · 7.4 %
Frequently asked questions
How long is the climb to Col de Cou?
The hardest climb of Col de Cou, from Boëge, is 11.7 km long for 397 m of ascent, i.e. 3.4% average.
What is the steepest part of Col de Cou?
The steepest 500 m sits at 8.3%, and the hardest kilometre is the 10th, at 6.7%.
How long does it take to climb Col de Cou from Boëge?
Col de Cou from Boëge takes about 35 min at 3.0 W/kg, i.e. 19.8 km/h on average. The page gives three levels and their assumptions.
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