Col de la Biche from Corbonod
Col de la Biche from Corbonod: 15.2 km at 7.5% average and 1,142 m of climbing, up to 1,310 m.
- Distance
- 15.2 km
- Elevation gain
- 1,142 m
- Elevation loss
- 80 m
- Average gradient
- 7.5 %
- Start altitude
- 255 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 11.9 %
- Hardest 2 km
- 10.6 %
- Hardest kilometre
- km 6 · 10.7%
- Above 8%
- 8.4 km (55% of the climb)
- Difficulty index
- 7.7 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 | 1h56 | 7.9 km/h |
| 3.0 W/kg — 210 W | 1h19 | 11.6 km/h |
| 4.0 W/kg — 280 W | 1h01 | 15.1 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 | 8.0 % | 334 m |
| 2 | 5.3 % | 387 m |
| 3 | 10.7 % | 494 m |
| 4 | 5.6 % | 549 m |
| 5 | 10.4 % | 654 m |
| 6 | 10.7 % | 761 m |
| 7 | 9.9 % | 860 m |
| 8 | 9.2 % | 952 m |
| 9 | 9.6 % | 1,048 m |
| 10 | 9.0 % | 1,138 m |
| 11 | 8.8 % | 1,226 m |
| 12 | 5.6 % | 1,282 m |
| 13 | 4.0 % | 1,322 m |
| 14 | -5.9 % | 1,263 m |
| 15 | 4.1 % | 1,304 m |
| 16 (partial) | 5.0 % | 1,316 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Brénaz 8.4 km · 9.4 %
Frequently asked questions
How long is the climb to Col de la Biche?
The hardest climb of Col de la Biche, from Corbonod, is 15.2 km long for 1,142 m of ascent, i.e. 7.5% average.
What is the steepest part of Col de la Biche?
The steepest 500 m sits at 11.9%, and the hardest kilometre is the 6th, at 10.7%.
How long does it take to climb Col de la Biche from Corbonod?
Col de la Biche from Corbonod takes about 1h19 at 3.0 W/kg, i.e. 11.6 km/h on average. The page gives three levels and their assumptions.
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