Col du Pré
From Beaufort-sur-Doron. Length and gradient from an official source; times from the climb time calculator.
- Start
- Beaufort-sur-Doron
- 738 m
- Length
- 12.2 km
- Average gradient
- 8%
- Max gradient
- 9.5%
- Elevation gain
- 966 m
- Summit
- 1,703 m
Source: Route des Grandes Alpes, checked 16 October 2026.
From Beaufort-sur-Doron. The short side from the Col de Méraillet on the same page is 5.2 km at 5% (177 m).
Time at your watts
| W/kg | Power | Time | Speed | VAM |
|---|---|---|---|---|
| 2.0 | 140 W | 1:35:53 | 7.6 km/h | 609 m/h |
| 2.5 | 175 W | 1:17:16 | 9.5 km/h | 755 m/h |
| 3.0 | 210 W | 1:04:56 | 11.3 km/h | 899 m/h |
| 3.5 | 245 W | 56:12 | 13.0 km/h | 1,039 m/h |
| 4.0 | 280 W | 49:42 | 14.7 km/h | 1,174 m/h |
| 5.0 | 350 W | 40:42 | 18.0 km/h | 1,434 m/h |
| 6.0 | 420 W | 34:48 | 21.0 km/h | 1,677 m/h |
Model estimate in calm air at steady power (Martin et al. 1998). 70 kg rider + 8 kg bike, tops position (CdA 0.358), Crr 0.0032, 15 °C, air density at the climb's mid-elevation. Mid-elevation 1,220 m (air density 1.060 kg/m³). Calculate yours / All climbs
Climb time calculator (prefilled) / All famous climbs