Home / Climbs / Col du Tourmalet
Col du Tourmalet
From Luz-Saint-Sauveur. Length and gradient from an official source; times from the climb time calculator.
- Start
- Luz-Saint-Sauveur
- 711 m
- Length
- 18.9 km
- Average gradient
- 7.7%
- Max gradient
- 10.2%
- Elevation gain
- 1,400 m
- Summit
- 2,115 m
Source: N'PY Grand Tourmalet, checked 14 October 2026.
Hautes-Pyrénées Tourisme lists the same climb as 19.0 km with average gradient around 7.3%; this page uses N'PY's stated 18.9 km and 7.7%.
Time at your watts
| W/kg | Power | Time | Speed | VAM |
|---|---|---|---|---|
| 2.0 | 140 W | 2:23:24 | 7.9 km/h | 607 m/h |
| 2.5 | 175 W | 1:55:37 | 9.8 km/h | 753 m/h |
| 3.0 | 210 W | 1:37:15 | 11.7 km/h | 895 m/h |
| 3.5 | 245 W | 1:24:13 | 13.5 km/h | 1,034 m/h |
| 4.0 | 280 W | 1:14:32 | 15.2 km/h | 1,168 m/h |
| 5.0 | 350 W | 1:01:08 | 18.5 km/h | 1,424 m/h |
| 6.0 | 420 W | 52:21 | 21.7 km/h | 1,663 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 1,413 m (air density 1.035 kg/m³). Calculate yours / All climbs
Climb time calculator (prefilled) / All famous climbs