Col du Lautaret from Le Freney-d'Oisans
Col du Lautaret from Le Freney-d'Oisans: 27.3 km at 4.6% average and 1,265 m of climbing, up to 2,058 m.
- Distance
- 27.3 km
- Elevation gain
- 1,265 m
- Elevation loss
- 134 m
- Average gradient
- 4.6 %
- Start altitude
- 923 m
- Road
- Main road
- Surface
- Paved throughout
- Steepest 500 m
- 9.6 %
- Hardest 2 km
- 7.4 %
- Hardest kilometre
- km 12 · 7.2%
- Above 8%
- 3.2 km (12% of the climb)
- Difficulty index
- 5.8 Sustained
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 | 2h20 | 11.7 km/h |
| 3.0 W/kg — 210 W | 1h39 | 16.5 km/h |
| 4.0 W/kg — 280 W | 1h19 | 20.7 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 | 4.6 % | 969 m |
| 2 | 4.7 % | 1,016 m |
| 3 | 4.3 % | 1,059 m |
| 4 | 5.9 % | 1,118 m |
| 5 | -5.9 % | 1,059 m |
| 6 | 0.8 % | 1,067 m |
| 7 | 2.9 % | 1,096 m |
| 8 | 2.8 % | 1,124 m |
| 9 | 2.2 % | 1,146 m |
| 10 | 5.9 % | 1,205 m |
| 11 | 5.1 % | 1,256 m |
| 12 | 7.2 % | 1,328 m |
| 13 | 0.6 % | 1,334 m |
| 14 | 2.4 % | 1,358 m |
| 15 | 3.4 % | 1,392 m |
| 16 | 5.5 % | 1,447 m |
| 17 | 3.9 % | 1,486 m |
| 18 | 3.1 % | 1,517 m |
| 19 | 5.5 % | 1,572 m |
| 20 | 6.3 % | 1,635 m |
| 21 | 7.0 % | 1,705 m |
| 22 | 6.5 % | 1,770 m |
| 23 | 5.7 % | 1,827 m |
| 24 | 5.5 % | 1,882 m |
| 25 | 6.8 % | 1,950 m |
| 26 | 5.8 % | 2,009 m |
| 27 | 2.9 % | 2,038 m |
| 28 (partial) | 6.3 % | 2,054 m |
Download the GPX track All climbs of this col
The other climbs of this col
- From Le Monêtier-les-Bains 6.9 km · 4.9 %
Frequently asked questions
How long is the climb to Col du Lautaret?
The hardest climb of Col du Lautaret, from Le Freney-d'Oisans, is 27.3 km long for 1,265 m of ascent, i.e. 4.6% average.
What is the steepest part of Col du Lautaret?
The steepest 500 m sits at 9.6%, and the hardest kilometre is the 12th, at 7.2%.
How long does it take to climb Col du Lautaret from Le Freney-d'Oisans?
Col du Lautaret from Le Freney-d'Oisans takes about 1h39 at 3.0 W/kg, i.e. 16.5 km/h on average. The page gives three levels and their assumptions.
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