Col de Grosse Pierre from La Bresse
Col de Grosse Pierre from La Bresse: 4.7 km at 7.0% average and 325 m of climbing, up to 955 m.
- Distance
- 4.7 km
- Elevation gain
- 325 m
- Average gradient
- 7.0 %
- Start altitude
- 638 m
- Road
- Village road
- Surface
- Paved throughout
- Steepest 500 m
- 14.3 %
- Hardest 2 km
- 9.9 %
- Hardest kilometre
- km 3 · 10.9%
- Above 8%
- 2.0 km (43% of the climb)
- Difficulty index
- 2.2 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 | 33 min | 8.4 km/h |
| 3.0 W/kg — 210 W | 23 min | 12.3 km/h |
| 4.0 W/kg — 280 W | 18 min | 15.9 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 | 7.2 % | 709 m |
| 2 | 6.1 % | 770 m |
| 3 | 10.9 % | 879 m |
| 4 | 6.9 % | 948 m |
| 5 (partial) | 1.5 % | 958 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Rochesson 6.7 km · 5.5 %
- 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 La Bresse, is 4.7 km long for 325 m of ascent, i.e. 7.0% average.
What is the steepest part of Col de Grosse Pierre?
The steepest 500 m sits at 14.3%, and the hardest kilometre is the 3th, at 10.9%.
How long does it take to climb Col de Grosse Pierre from La Bresse?
Col de Grosse Pierre from La Bresse takes about 23 min at 3.0 W/kg, i.e. 12.3 km/h on average. The page gives three levels and their assumptions.
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