Col du Joncin from Chamelet
Col du Joncin from Chamelet: 5.7 km at 6.8% average and 389 m of climbing, up to 698 m.
- Distance
- 5.7 km
- Elevation gain
- 389 m
- Average gradient
- 6.8 %
- Start altitude
- 311 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 12.9 %
- Hardest 2 km
- 10.4 %
- Hardest kilometre
- km 1 · 11.3%
- Above 8%
- 2.4 km (42% of the climb)
- Difficulty index
- 2.6 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 | 40 min | 8.6 km/h |
| 3.0 W/kg — 210 W | 27 min | 12.6 km/h |
| 4.0 W/kg — 280 W | 21 min | 16.2 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 | 11.3 % | 424 m |
| 2 | 9.4 % | 519 m |
| 3 | 8.3 % | 601 m |
| 4 | 3.5 % | 636 m |
| 5 | 3.6 % | 672 m |
| 6 (partial) | 3.6 % | 698 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Létra 6.3 km · 6.8 %
- From Porte des Pierres Dorées 12.4 km · 4.2 %
- From Chambost-Allières 8.2 km · 4.5 %
Frequently asked questions
How long is the climb to Col du Joncin?
The hardest climb of Col du Joncin, from Chamelet, is 5.7 km long for 389 m of ascent, i.e. 6.8% average.
What is the steepest part of Col du Joncin?
The steepest 500 m sits at 12.9%, and the hardest kilometre is the 1th, at 11.3%.
How long does it take to climb Col du Joncin from Chamelet?
Col du Joncin from Chamelet takes about 27 min at 3.0 W/kg, i.e. 12.6 km/h on average. The page gives three levels and their assumptions.
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