Col des Supeyres from Montbrison
Col des Supeyres from Montbrison: 25.7 km at 4.2% average and 1,071 m of climbing, up to 1,366 m.
- Distance
- 25.7 km
- Elevation gain
- 1,071 m
- Elevation loss
- 104 m
- Average gradient
- 4.2 %
- Start altitude
- 393 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 8.9 %
- Hardest 2 km
- 7.1 %
- Hardest kilometre
- km 11 · 7.5%
- Above 8%
- 2.4 km (9% of the climb)
- Difficulty index
- 4.0 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 | 2h02 | 12.6 km/h |
| 3.0 W/kg — 210 W | 1h27 | 17.7 km/h |
| 4.0 W/kg — 280 W | 1h10 | 22.0 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 | 6.5 % | 458 m |
| 2 | 5.6 % | 514 m |
| 3 | 5.4 % | 567 m |
| 4 | 6.3 % | 631 m |
| 5 | 4.7 % | 678 m |
| 6 | 6.9 % | 747 m |
| 7 | 6.2 % | 809 m |
| 8 | 5.7 % | 867 m |
| 9 | 4.8 % | 915 m |
| 10 | 3.4 % | 949 m |
| 11 | 7.5 % | 1,024 m |
| 12 | 6.7 % | 1,091 m |
| 13 | 3.8 % | 1,129 m |
| 14 | 6.4 % | 1,193 m |
| 15 | 4.6 % | 1,238 m |
| 16 | 3.2 % | 1,270 m |
| 17 | -1.3 % | 1,258 m |
| 18 | -3.1 % | 1,227 m |
| 19 | 2.5 % | 1,252 m |
| 20 | 0.3 % | 1,255 m |
| 21 | -0.5 % | 1,250 m |
| 22 | -0.6 % | 1,244 m |
| 23 | -3.2 % | 1,212 m |
| 24 | 5.4 % | 1,266 m |
| 25 | 6.2 % | 1,328 m |
| 26 (partial) | 4.8 % | 1,360 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From La Forie 14.4 km · 5.5 %
Frequently asked questions
How long is the climb to Col des Supeyres?
The hardest climb of Col des Supeyres, from Montbrison, is 25.7 km long for 1,071 m of ascent, i.e. 4.2% average.
What is the steepest part of Col des Supeyres?
The steepest 500 m sits at 8.9%, and the hardest kilometre is the 11th, at 7.5%.
How long does it take to climb Col des Supeyres from Montbrison?
Col des Supeyres from Montbrison takes about 1h27 at 3.0 W/kg, i.e. 17.7 km/h on average. The page gives three levels and their assumptions.
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