Col du Pilon from Chambost-Allières
Col du Pilon from Chambost-Allières: 13.3 km at 3.7% average and 495 m of climbing, up to 727 m.
- Distance
- 13.3 km
- Elevation gain
- 495 m
- Elevation loss
- 94 m
- Average gradient
- 3.7 %
- Start altitude
- 330 m
- Road
- Minor road
- Surface
- Paved throughout
- Steepest 500 m
- 12.6 %
- Hardest 2 km
- 9.1 %
- Hardest kilometre
- km 6 · 9.7%
- Above 8%
- 1.2 km (9% of the climb)
- Difficulty index
- 1.2 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 | 58 min | 13.6 km/h |
| 3.0 W/kg — 210 W | 42 min | 18.8 km/h |
| 4.0 W/kg — 280 W | 34 min | 23.2 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 | 3.8 % | 368 m |
| 2 | 3.1 % | 399 m |
| 3 | 2.2 % | 421 m |
| 4 | 2.3 % | 444 m |
| 5 | 6.3 % | 508 m |
| 6 | 9.7 % | 604 m |
| 7 | 6.4 % | 668 m |
| 8 | 4.7 % | 715 m |
| 9 | -0.8 % | 707 m |
| 10 | -0.5 % | 702 m |
| 11 | 3.5 % | 737 m |
| 12 | 3.4 % | 771 m |
| 13 | -3.9 % | 732 m |
| 14 (partial) | -0.3 % | 732 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Ronno 6.1 km · 5.0 %
- From Saint-Clément-sur-Valsonne 13.1 km · 3.1 %
Frequently asked questions
How long is the climb to Col du Pilon?
The hardest climb of Col du Pilon, from Chambost-Allières, is 13.3 km long for 495 m of ascent, i.e. 3.7% average.
What is the steepest part of Col du Pilon?
The steepest 500 m sits at 12.6%, and the hardest kilometre is the 6th, at 9.7%.
How long does it take to climb Col du Pilon from Chambost-Allières?
Col du Pilon from Chambost-Allières takes about 42 min at 3.0 W/kg, i.e. 18.8 km/h on average. The page gives three levels and their assumptions.
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