Col de Plainpalais from Saint-Alban-Leysse
Col de Plainpalais from Saint-Alban-Leysse: 12.8 km at 6.7% average and 866 m of climbing, up to 1,173 m.
- Distance
- 12.8 km
- Elevation gain
- 866 m
- Average gradient
- 6.7 %
- Start altitude
- 312 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 11.6 %
- Hardest 2 km
- 8.7 %
- Hardest kilometre
- km 5 · 8.8%
- Above 8%
- 4.4 km (34% of the climb)
- Difficulty index
- 6.0 Sustained
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 | 1h29 | 8.6 km/h |
| 3.0 W/kg — 210 W | 1h01 | 12.6 km/h |
| 4.0 W/kg — 280 W | 47 min | 16.3 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 | 8.6 % | 398 m |
| 2 | 4.8 % | 446 m |
| 3 | 7.3 % | 519 m |
| 4 | 7.1 % | 589 m |
| 5 | 8.8 % | 677 m |
| 6 | 8.7 % | 764 m |
| 7 | 4.5 % | 809 m |
| 8 | 8.0 % | 889 m |
| 9 | 2.7 % | 916 m |
| 10 | 6.5 % | 980 m |
| 11 | 7.8 % | 1,059 m |
| 12 | 8.5 % | 1,143 m |
| 13 (partial) | 3.9 % | 1,176 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Lescheraines 12.5 km · 4.8 %
- From Cusy 14.0 km · 4.6 %
Frequently asked questions
How long is the climb to Col de Plainpalais?
The hardest climb of Col de Plainpalais, from Saint-Alban-Leysse, is 12.8 km long for 866 m of ascent, i.e. 6.7% average.
What is the steepest part of Col de Plainpalais?
The steepest 500 m sits at 11.6%, and the hardest kilometre is the 5th, at 8.8%.
How long does it take to climb Col de Plainpalais from Saint-Alban-Leysse?
Col de Plainpalais from Saint-Alban-Leysse takes about 1h01 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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