Col du Clergeon from Ruffieux
Col du Clergeon from Ruffieux: 8.3 km at 8.8% average and 730 m of climbing, up to 979 m.
- Distance
- 8.3 km
- Elevation gain
- 730 m
- Average gradient
- 8.8 %
- Start altitude
- 244 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 13.6 %
- Hardest 2 km
- 10.8 %
- Hardest kilometre
- km 4 · 11.7%
- Above 8%
- 5.4 km (65% of the climb)
- Difficulty index
- 6.4 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 | 1h13 | 6.8 km/h |
| 3.0 W/kg — 210 W | 49 min | 10.1 km/h |
| 4.0 W/kg — 280 W | 38 min | 13.2 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 | 8.9 % | 333 m |
| 2 | 7.8 % | 410 m |
| 3 | 9.0 % | 500 m |
| 4 | 11.7 % | 617 m |
| 5 | 9.6 % | 713 m |
| 6 | 9.1 % | 803 m |
| 7 | 8.0 % | 883 m |
| 8 | 7.8 % | 961 m |
| 9 (partial) | 4.3 % | 974 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Lornay 12.8 km · 5.6 %
Frequently asked questions
How long is the climb to Col du Clergeon?
The hardest climb of Col du Clergeon, from Ruffieux, is 8.3 km long for 730 m of ascent, i.e. 8.8% average.
What is the steepest part of Col du Clergeon?
The steepest 500 m sits at 13.6%, and the hardest kilometre is the 4th, at 11.7%.
How long does it take to climb Col du Clergeon from Ruffieux?
Col du Clergeon from Ruffieux takes about 49 min at 3.0 W/kg, i.e. 10.1 km/h on average. The page gives three levels and their assumptions.
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