Col de Granon from Briançon
Col de Granon from Briançon: 14.4 km at 7.9% average and 1,143 m of climbing, up to 2,413 m.
Opening Fermé l'hiver. Ouverture tardive, en général courant juin selon le déneigement — c'est l'une des routes les plus hautes des Hautes-Alpes.
- Distance
- 14.4 km
- Elevation gain
- 1,143 m
- Average gradient
- 7.9 %
- Start altitude
- 1,265 m
- Road
- Minor departmental road
- Surface
- Paved throughout
- Steepest 500 m
- 11.5 %
- Hardest 2 km
- 10.5 %
- Hardest kilometre
- km 10 · 10.1%
- Above 8%
- 8.6 km (60% of the climb)
- Difficulty index
- 10.4 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 | 1h55 | 7.5 km/h |
| 3.0 W/kg — 210 W | 1h18 | 11.1 km/h |
| 4.0 W/kg — 280 W | 1h00 | 14.4 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 | 5.0 % | 1,315 m |
| 2 | 2.5 % | 1,340 m |
| 3 | 2.3 % | 1,364 m |
| 4 | 6.7 % | 1,431 m |
| 5 | 9.9 % | 1,530 m |
| 6 | 8.3 % | 1,612 m |
| 7 | 8.7 % | 1,700 m |
| 8 | 8.7 % | 1,787 m |
| 9 | 10.0 % | 1,887 m |
| 10 | 10.1 % | 1,988 m |
| 11 | 10.0 % | 2,088 m |
| 12 | 9.4 % | 2,182 m |
| 13 | 8.5 % | 2,267 m |
| 14 | 9.1 % | 2,359 m |
| 15 (partial) | 10.3 % | 2,401 m |
Download the GPX track All climbs of this col
Frequently asked questions
How long is the climb to Col de Granon?
The hardest climb of Col de Granon, from Briançon, is 14.4 km long for 1,143 m of ascent, i.e. 7.9% average.
What is the steepest part of Col de Granon?
The steepest 500 m sits at 11.5%, and the hardest kilometre is the 10th, at 10.1%.
How long does it take to climb Col de Granon from Briançon?
Col de Granon from Briançon takes about 1h18 at 3.0 W/kg, i.e. 11.1 km/h on average. The page gives three levels and their assumptions.
Is Col de Granon open all year round?
Fermé l'hiver. Ouverture tardive, en général courant juin selon le déneigement — c'est l'une des routes les plus hautes des Hautes-Alpes.
Col de Granon: add this col to your collection
Sleipnir recognises the cols you cross from the GPS trace of your rides: the col ticks itself off the day you ride over it.
Create an accountFree during the beta, no card required — places are limited.
A Polar watch syncs on its own; with any other watch, import your GPX or TCX files.