Col du Gerbier de Jonc from Saint-Pierre-de-Colombier
Col du Gerbier de Jonc from Saint-Pierre-de-Colombier: 30.7 km at 3.8% average and 1,154 m of climbing, up to 1,417 m.
- Distance
- 30.7 km
- Elevation gain
- 1,154 m
- Elevation loss
- 144 m
- Average gradient
- 3.8 %
- Start altitude
- 402 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 10.9 %
- Hardest 2 km
- 7.1 %
- Hardest kilometre
- km 12 · 7.2%
- Above 8%
- 2.6 km (8% of the climb)
- Difficulty index
- 3.7 Moderate
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 | 2h16 | 13.6 km/h |
| 3.0 W/kg — 210 W | 1h38 | 18.8 km/h |
| 4.0 W/kg — 280 W | 1h20 | 23.1 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 | 2.9 % | 432 m |
| 2 | 3.5 % | 467 m |
| 3 | 2.3 % | 490 m |
| 4 | 2.1 % | 511 m |
| 5 | 3.1 % | 542 m |
| 6 | 3.8 % | 580 m |
| 7 | 5.3 % | 633 m |
| 8 | 6.0 % | 693 m |
| 9 | 5.5 % | 748 m |
| 10 | 5.5 % | 803 m |
| 11 | 2.1 % | 824 m |
| 12 | 7.2 % | 896 m |
| 13 | 6.5 % | 961 m |
| 14 | 4.9 % | 1,010 m |
| 15 | 5.3 % | 1,063 m |
| 16 | 5.6 % | 1,119 m |
| 17 | 6.2 % | 1,180 m |
| 18 | 5.0 % | 1,230 m |
| 19 | 1.3 % | 1,243 m |
| 20 | -1.3 % | 1,230 m |
| 21 | -1.3 % | 1,217 m |
| 22 | 1.1 % | 1,228 m |
| 23 | 0.9 % | 1,237 m |
| 24 | 3.1 % | 1,268 m |
| 25 | 2.5 % | 1,293 m |
| 26 | -2.5 % | 1,268 m |
| 27 | -2.5 % | 1,243 m |
| 28 | 0.6 % | 1,250 m |
| 29 | 6.0 % | 1,309 m |
| 30 | 7.1 % | 1,380 m |
| 31 (partial) | 4.7 % | 1,413 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Saint-Martial 12.3 km · 5.9 %
- From Asperjoc (Vallées-d'Antraigues-Asperjoc) 33.4 km · 3.5 %
Frequently asked questions
How long is the climb to Col du Gerbier de Jonc?
The hardest climb of Col du Gerbier de Jonc, from Saint-Pierre-de-Colombier, is 30.7 km long for 1,154 m of ascent, i.e. 3.8% average.
What is the steepest part of Col du Gerbier de Jonc?
The steepest 500 m sits at 10.9%, and the hardest kilometre is the 12th, at 7.2%.
How long does it take to climb Col du Gerbier de Jonc from Saint-Pierre-de-Colombier?
Col du Gerbier de Jonc from Saint-Pierre-de-Colombier takes about 1h38 at 3.0 W/kg, i.e. 18.8 km/h on average. The page gives three levels and their assumptions.
Col du Gerbier de Jonc: add this col to your collection
Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.
Create an accountFree during the beta, no card required — places are limited.
A Polar watch syncs on its own; with any other watch, import your GPX or TCX files.