Le col du Granon par les Tronchets
Key facts
- Distance
- 11.3 km
- Ascent
- +972 m
- Descent
- −966 m
- Estimated time
- 5 hr 25
- hiking
- Difficulty
- Difficult
- official rating
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 2.0 km under 10%, 5.7 km at 10 to 20% and 3.7 km over 20%. Elevation from 1,434 m to 2,401 m over 11.3 km.
Surface and path types
- Surface
- Paved 19%
- Dirt & gravel 79%
- Unknown 2%
- Path types
- Trail 60%
- Track 20%
- Road 18%
- Off-network 2%
Description
Difficulty
Official rating: difficult, by Parc national des Écrins.
Getting there
Start: Rue des 3 Fontaines, Villard Laté, Saint Chaffrey, Saint-Chaffrey (05).
Sources
- Track: Parc national des Écrins, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (destination.ecrins-parcnational.fr/trek/993395-Le-col-du-Granon-par-les-Tronchets). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Surface and path types: © OpenStreetMap contributors, ODbL, extract of 28 October 2026, matched to the track every 10 m (openstreetmap.org/copyright)
- Official elevation gain: 972 m, Parc national des Écrins
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