Alpe d'Huez
From Le Bourg-d'Oisans. Length and gradient from an official source; times from the climb time calculator.
- Start
- Le Bourg-d'Oisans
- 720 m
- Length
- 13.8 km
- Average gradient
- 7.9%
- Max gradient
- 15%
- Elevation gain
- 1,266 m
- Summit
- 1,850 m
Source: Alpe d'Huez Tourisme (Itinerary no. 4, Cycling in Oisans), checked 14 October 2026.
Alpe d'Huez Tourisme's 21-bends page lists different length and gain figures; this page uses the mythical-climb itinerary (13.8 km, 7.9%).
Time at your watts
| W/kg | Power | Time | Speed | VAM |
|---|---|---|---|---|
| 2.0 | 140 W | 1:47:12 | 7.7 km/h | 608 m/h |
| 2.5 | 175 W | 1:26:24 | 9.6 km/h | 755 m/h |
| 3.0 | 210 W | 1:12:38 | 11.4 km/h | 898 m/h |
| 3.5 | 245 W | 1:02:53 | 13.2 km/h | 1,037 m/h |
| 4.0 | 280 W | 55:37 | 14.9 km/h | 1,172 m/h |
| 5.0 | 350 W | 45:35 | 18.2 km/h | 1,431 m/h |
| 6.0 | 420 W | 38:59 | 21.2 km/h | 1,673 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 1,285 m (air density 1.051 kg/m³). Calculate yours / All climbs
Climb time calculator (prefilled) / All famous climbs