Col du Chaussy from Hermillon (La Tour-en-Maurienne)
Col du Chaussy from Hermillon (La Tour-en-Maurienne): 15.9 km at 7.2% average and 1,139 m of climbing, up to 1,533 m.
- Distance
- 15.9 km
- Elevation gain
- 1,139 m
- Elevation loss
- 123 m
- Average gradient
- 7.2 %
- Start altitude
- 517 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 17.5 %
- Hardest 2 km
- 9.6 %
- Hardest kilometre
- km 13 · 12.6%
- Above 8%
- 6.8 km (43% of the climb)
- Difficulty index
- 7.0 Sustained
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 | 1h56 | 8.2 km/h |
| 3.0 W/kg — 210 W | 1h19 | 12.0 km/h |
| 4.0 W/kg — 280 W | 1h01 | 15.6 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 | 4.7 % | 564 m |
| 2 | 8.5 % | 649 m |
| 3 | 7.6 % | 725 m |
| 4 | 5.0 % | 774 m |
| 5 | -5.7 % | 718 m |
| 6 | 6.4 % | 782 m |
| 7 | 8.9 % | 871 m |
| 8 | 7.8 % | 949 m |
| 9 | 8.2 % | 1,031 m |
| 10 | 8.0 % | 1,111 m |
| 11 | 9.7 % | 1,208 m |
| 12 | -0.6 % | 1,202 m |
| 13 | 12.6 % | 1,328 m |
| 14 | 5.5 % | 1,383 m |
| 15 | 8.1 % | 1,465 m |
| 16 (partial) | 7.4 % | 1,533 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Pontamafrey-Montpascal (La Tour-en-Maurienne) 13.3 km · 8.4 %
Frequently asked questions
How long is the climb to Col du Chaussy?
The hardest climb of Col du Chaussy, from Hermillon (La Tour-en-Maurienne), is 15.9 km long for 1,139 m of ascent, i.e. 7.2% average.
What is the steepest part of Col du Chaussy?
The steepest 500 m sits at 17.5%, and the hardest kilometre is the 13th, at 12.6%.
How long does it take to climb Col du Chaussy from Hermillon (La Tour-en-Maurienne)?
Col du Chaussy from Hermillon (La Tour-en-Maurienne) takes about 1h19 at 3.0 W/kg, i.e. 12.0 km/h on average. The page gives three levels and their assumptions.
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