Col d'Ayerne from Grand Chalet (Schweiz/Suisse/Svizzera/Svizra)
Col d'Ayerne from Grand Chalet (Schweiz/Suisse/Svizzera/Svizra): 2.7 km at 5.9% average and 158 m of climbing, up to 1,460 m.
Hors département
- Distance
- 2.7 km
- Elevation gain
- 158 m
- Average gradient
- 5.9 %
- Start altitude
- 1,335 m
- Road
- Minor road
- Surface
- Paved throughout
- Steepest 500 m
- 10.1 %
- Hardest 2 km
- 7.0 %
- Hardest kilometre
- km 1 · 9.3%
- Above 8%
- 1.2 km (45% of the climb)
- Difficulty index
- 1.3 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 | 17 min | 9.7 km/h |
| 3.0 W/kg — 210 W | 11 min | 14.0 km/h |
| 4.0 W/kg — 280 W | 9 min | 17.9 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 | 9.3 % | 1,427 m |
| 2 | 4.6 % | 1,474 m |
| 3 (partial) | 1.4 % | 1,483 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Aigle (Schweiz/Suisse/Svizzera/Svizra) 18.1 km · 6.9 %
Frequently asked questions
How long is the climb to Col d'Ayerne?
The hardest climb of Col d'Ayerne, from Grand Chalet (Schweiz/Suisse/Svizzera/Svizra), is 2.7 km long for 158 m of ascent, i.e. 5.9% average.
What is the steepest part of Col d'Ayerne?
The steepest 500 m sits at 10.1%, and the hardest kilometre is the 1th, at 9.3%.
How long does it take to climb Col d'Ayerne from Grand Chalet (Schweiz/Suisse/Svizzera/Svizra)?
Col d'Ayerne from Grand Chalet (Schweiz/Suisse/Svizzera/Svizra) takes about 11 min at 3.0 W/kg, i.e. 14.0 km/h on average. The page gives three levels and their assumptions.
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