Col des Fourches from Ambert
Col des Fourches from Ambert: 10.2 km at 4.5% average and 454 m of climbing, up to 970 m.
- Distance
- 10.2 km
- Elevation gain
- 454 m
- Average gradient
- 4.5 %
- Start altitude
- 527 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 7.8 %
- Hardest 2 km
- 6.8 %
- Hardest kilometre
- km 3 · 7.1%
- Above 8%
- 0.6 km (6% of the climb)
- Difficulty index
- 2.0 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 | 51 min | 12.0 km/h |
| 3.0 W/kg — 210 W | 36 min | 17.0 km/h |
| 4.0 W/kg — 280 W | 29 min | 21.2 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 | 4.7 % | 574 m |
| 2 | 5.6 % | 630 m |
| 3 | 7.1 % | 701 m |
| 4 | 6.0 % | 761 m |
| 5 | 2.5 % | 786 m |
| 6 | 3.8 % | 824 m |
| 7 | 3.6 % | 860 m |
| 8 | 5.1 % | 912 m |
| 9 | 5.0 % | 962 m |
| 10 | 1.9 % | 980 m |
| 11 (partial) | -1.7 % | 978 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From La Chapelle-Agnon 13.6 km · 4.5 %
Frequently asked questions
How long is the climb to Col des Fourches?
The hardest climb of Col des Fourches, from Ambert, is 10.2 km long for 454 m of ascent, i.e. 4.5% average.
What is the steepest part of Col des Fourches?
The steepest 500 m sits at 7.8%, and the hardest kilometre is the 3th, at 7.1%.
How long does it take to climb Col des Fourches from Ambert?
Col des Fourches from Ambert takes about 36 min at 3.0 W/kg, i.e. 17.0 km/h on average. The page gives three levels and their assumptions.
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