Col de la Casse Froide from Le Perréon
Col de la Casse Froide from Le Perréon: 14.7 km at 4.2% average and 620 m of climbing, up to 740 m.
- Distance
- 14.7 km
- Elevation gain
- 620 m
- Elevation loss
- 146 m
- Average gradient
- 4.2 %
- Start altitude
- 269 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 10.9 %
- Hardest 2 km
- 8.7 %
- Hardest kilometre
- km 4 · 8.8%
- Above 8%
- 3.0 km (20% of the climb)
- Difficulty index
- 1.5 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 | 1h10 | 12.5 km/h |
| 3.0 W/kg — 210 W | 50 min | 17.5 km/h |
| 4.0 W/kg — 280 W | 40 min | 21.8 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 | 3.4 % | 302 m |
| 2 | 1.3 % | 315 m |
| 3 | 7.7 % | 392 m |
| 4 | 8.8 % | 479 m |
| 5 | 7.8 % | 558 m |
| 6 | 7.5 % | 632 m |
| 7 | 7.3 % | 706 m |
| 8 | 2.7 % | 732 m |
| 9 | -0.5 % | 728 m |
| 10 | -4.6 % | 682 m |
| 11 | 1.0 % | 692 m |
| 12 | 4.0 % | 732 m |
| 13 | -2.0 % | 713 m |
| 14 | -0.8 % | 705 m |
| 15 (partial) | 5.6 % | 743 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Quincié-en-Beaujolais 10.2 km · 4.8 %
- From Saint-Didier-sur-Beaujeu 7.8 km · 5.3 %
- From Claveisolles 4.4 km · 6.6 %
Frequently asked questions
How long is the climb to Col de la Casse Froide?
The hardest climb of Col de la Casse Froide, from Le Perréon, is 14.7 km long for 620 m of ascent, i.e. 4.2% average.
What is the steepest part of Col de la Casse Froide?
The steepest 500 m sits at 10.9%, and the hardest kilometre is the 4th, at 8.8%.
How long does it take to climb Col de la Casse Froide from Le Perréon?
Col de la Casse Froide from Le Perréon takes about 50 min at 3.0 W/kg, i.e. 17.5 km/h on average. The page gives three levels and their assumptions.
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