Col de Larrieu from Chein-Dessus
Col de Larrieu from Chein-Dessus: 4.0 km at 7.6% average and 303 m of climbing, up to 704 m.
- Distance
- 4.0 km
- Elevation gain
- 303 m
- Average gradient
- 7.6 %
- Start altitude
- 411 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 13.5 %
- Hardest 2 km
- 9.4 %
- Hardest kilometre
- km 3 · 9.7%
- Above 8%
- 1.2 km (30% of the climb)
- Difficulty index
- 2.3 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 | 31 min | 7.8 km/h |
| 3.0 W/kg — 210 W | 21 min | 11.5 km/h |
| 4.0 W/kg — 280 W | 16 min | 14.9 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 | 5.2 % | 463 m |
| 2 | 9.1 % | 554 m |
| 3 | 9.7 % | 651 m |
| 4 | 6.2 % | 713 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Aspet 6.6 km · 4.6 %
Frequently asked questions
How long is the climb to Col de Larrieu?
The hardest climb of Col de Larrieu, from Chein-Dessus, is 4.0 km long for 303 m of ascent, i.e. 7.6% average.
What is the steepest part of Col de Larrieu?
The steepest 500 m sits at 13.5%, and the hardest kilometre is the 3th, at 9.7%.
How long does it take to climb Col de Larrieu from Chein-Dessus?
Col de Larrieu from Chein-Dessus takes about 21 min at 3.0 W/kg, i.e. 11.5 km/h on average. The page gives three levels and their assumptions.
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