Col de Leschaux from Arith
Col de Leschaux from Arith: 7.3 km at 4.3% average and 316 m of climbing, up to 901 m.
- Distance
- 7.3 km
- Elevation gain
- 316 m
- Average gradient
- 4.3 %
- Start altitude
- 585 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 6.7 %
- Hardest 2 km
- 5.6 %
- Hardest kilometre
- km 3 · 5.5%
- Above 8%
- 0.0 km (0% of the climb)
- Difficulty index
- 1.4 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 | 36 min | 12.3 km/h |
| 3.0 W/kg — 210 W | 25 min | 17.3 km/h |
| 4.0 W/kg — 280 W | 20 min | 21.5 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 | 4.3 % | 628 m |
| 2 | 5.3 % | 681 m |
| 3 | 5.5 % | 736 m |
| 4 | 5.2 % | 788 m |
| 5 | 3.8 % | 825 m |
| 6 | 2.7 % | 853 m |
| 7 | 3.7 % | 889 m |
| 8 (partial) | 3.2 % | 899 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Sevrier 11.6 km · 4.0 %
- From Saint-Jorioz 11.6 km · 4.6 %
Frequently asked questions
How long is the climb to Col de Leschaux?
The hardest climb of Col de Leschaux, from Arith, is 7.3 km long for 316 m of ascent, i.e. 4.3% average.
What is the steepest part of Col de Leschaux?
The steepest 500 m sits at 6.7%, and the hardest kilometre is the 3th, at 5.5%.
How long does it take to climb Col de Leschaux from Arith?
Col de Leschaux from Arith takes about 25 min at 3.0 W/kg, i.e. 17.3 km/h on average. The page gives three levels and their assumptions.
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