Les Pradeaux from Grandrif
Les Pradeaux from Grandrif: 5.3 km at 4.9% average and 259 m of climbing, up to 1,196 m.
- Distance
- 5.3 km
- Elevation gain
- 259 m
- Elevation loss
- 16 m
- Average gradient
- 4.9 %
- Start altitude
- 957 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 12.8 %
- Hardest 2 km
- 7.3 %
- Hardest kilometre
- km 1 · 8.4%
- Above 8%
- 0.8 km (15% 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 | 28 min | 11.3 km/h |
| 3.0 W/kg — 210 W | 20 min | 16.1 km/h |
| 4.0 W/kg — 280 W | 16 min | 20.2 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 | 8.4 % | 1,041 m |
| 2 | 6.2 % | 1,104 m |
| 3 | 5.9 % | 1,163 m |
| 4 | 4.3 % | 1,206 m |
| 5 | -0.2 % | 1,204 m |
| 6 (partial) | -1.2 % | 1,200 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Ambert 11.0 km · 5.8 %
- From Saint-Romain 9.3 km · 3.7 %
Frequently asked questions
How long is the climb to Les Pradeaux?
The hardest climb of Les Pradeaux, from Grandrif, is 5.3 km long for 259 m of ascent, i.e. 4.9% average.
What is the steepest part of Les Pradeaux?
The steepest 500 m sits at 12.8%, and the hardest kilometre is the 1th, at 8.4%.
How long does it take to climb Les Pradeaux from Grandrif?
Les Pradeaux from Grandrif takes about 20 min at 3.0 W/kg, i.e. 16.1 km/h on average. The page gives three levels and their assumptions.
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