Col du Chat from Bourdeau
Col du Chat from Bourdeau: 5.7 km at 7.7% average and 439 m of climbing, up to 638 m.
- Distance
- 5.7 km
- Elevation gain
- 439 m
- Average gradient
- 7.7 %
- Start altitude
- 223 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 12.6 %
- Hardest 2 km
- 7.9 %
- Hardest kilometre
- km 1 · 8.6%
- Above 8%
- 2.7 km (47% of the climb)
- Difficulty index
- 3.3 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 | 44 min | 7.7 km/h |
| 3.0 W/kg — 210 W | 30 min | 11.3 km/h |
| 4.0 W/kg — 280 W | 23 min | 14.7 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 % | 310 m |
| 2 | 6.9 % | 379 m |
| 3 | 7.2 % | 451 m |
| 4 | 6.2 % | 512 m |
| 5 | 7.9 % | 591 m |
| 6 (partial) | 9.5 % | 657 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Saint-Jean-de-Chevelu 4.4 km · 7.6 %
- From Jongieux 10.2 km · 4.4 %
Frequently asked questions
How long is the climb to Col du Chat?
The hardest climb of Col du Chat, from Bourdeau, is 5.7 km long for 439 m of ascent, i.e. 7.7% average.
What is the steepest part of Col du Chat?
The steepest 500 m sits at 12.6%, and the hardest kilometre is the 1th, at 8.6%.
How long does it take to climb Col du Chat from Bourdeau?
Col du Chat from Bourdeau takes about 30 min at 3.0 W/kg, i.e. 11.3 km/h on average. The page gives three levels and their assumptions.
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