Col de Grosse Pierre from Rochesson
Col de Grosse Pierre from Rochesson: 6.7 km at 5.5% average and 368 m of climbing, up to 955 m.
- Distance
- 6.7 km
- Elevation gain
- 368 m
- Average gradient
- 5.5 %
- Start altitude
- 596 m
- Road
- Main road
- Surface
- Paved throughout
- Steepest 500 m
- 10.3 %
- Hardest 2 km
- 7.6 %
- Hardest kilometre
- km 5 · 9.3%
- Above 8%
- 0.8 km (12% 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 | 39 min | 10.2 km/h |
| 3.0 W/kg — 210 W | 27 min | 14.7 km/h |
| 4.0 W/kg — 280 W | 21 min | 18.7 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 | 5.2 % | 648 m |
| 2 | 5.4 % | 702 m |
| 3 | 4.7 % | 749 m |
| 4 | 4.0 % | 790 m |
| 5 | 9.3 % | 883 m |
| 6 | 4.8 % | 931 m |
| 7 (partial) | 5.0 % | 964 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From La Bresse 4.7 km · 7.0 %
- From Vagney 16.3 km · 4.3 %
Frequently asked questions
How long is the climb to Col de Grosse Pierre?
The hardest climb of Col de Grosse Pierre, from Rochesson, is 6.7 km long for 368 m of ascent, i.e. 5.5% average.
What is the steepest part of Col de Grosse Pierre?
The steepest 500 m sits at 10.3%, and the hardest kilometre is the 5th, at 9.3%.
How long does it take to climb Col de Grosse Pierre from Rochesson?
Col de Grosse Pierre from Rochesson takes about 27 min at 3.0 W/kg, i.e. 14.7 km/h on average. The page gives three levels and their assumptions.
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