Col de la Pierre Saint-Martin from Arette
Col de la Pierre Saint-Martin from Arette: 18.3 km at 7.3% average and 1,328 m of climbing, up to 1,765 m.
- Distance
- 18.3 km
- Elevation gain
- 1,328 m
- Elevation loss
- 15 m
- Average gradient
- 7.3 %
- Start altitude
- 452 m
- Road
- Departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 13.8 %
- Hardest 2 km
- 10.5 %
- Hardest kilometre
- km 3 · 10.5%
- Above 8%
- 9.0 km (49% of the climb)
- Difficulty index
- 10.2 Hard
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 | 2h15 | 8.1 km/h |
| 3.0 W/kg — 210 W | 1h32 | 11.9 km/h |
| 4.0 W/kg — 280 W | 1h11 | 15.4 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 | 7.2 % | 524 m |
| 2 | 6.1 % | 585 m |
| 3 | 10.5 % | 690 m |
| 4 | 9.3 % | 783 m |
| 5 | 4.2 % | 826 m |
| 6 | 10.1 % | 927 m |
| 7 | 8.8 % | 1,015 m |
| 8 | 9.6 % | 1,111 m |
| 9 | 9.7 % | 1,209 m |
| 10 | 9.1 % | 1,300 m |
| 11 | 8.8 % | 1,388 m |
| 12 | 0.7 % | 1,395 m |
| 13 | 7.1 % | 1,466 m |
| 14 | 5.0 % | 1,517 m |
| 15 | 5.2 % | 1,568 m |
| 16 | 8.3 % | 1,651 m |
| 17 | 4.0 % | 1,691 m |
| 18 | 6.3 % | 1,753 m |
| 19 (partial) | 4.4 % | 1,766 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Sainte-Engrâce 18.3 km · 7.2 %
- From Arrakogoiti (España) 16.0 km · 5.2 %
Frequently asked questions
How long is the climb to Col de la Pierre Saint-Martin?
The hardest climb of Col de la Pierre Saint-Martin, from Arette, is 18.3 km long for 1,328 m of ascent, i.e. 7.3% average.
What is the steepest part of Col de la Pierre Saint-Martin?
The steepest 500 m sits at 13.8%, and the hardest kilometre is the 3th, at 10.5%.
How long does it take to climb Col de la Pierre Saint-Martin from Arette?
Col de la Pierre Saint-Martin from Arette takes about 1h32 at 3.0 W/kg, i.e. 11.9 km/h on average. The page gives three levels and their assumptions.
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