Boucle du Col de Bousson
Key facts
- Distance
- 6.2 km
- Ascent
- +469 m
- Descent
- −390 m
- Estimated time
- 2 hr 25
- hiking
- Difficulty
- Moderate
- official rating
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 3.4 km under 10%, 2.2 km at 10 to 20% and 0.6 km over 20%. Elevation from 1,874 m to 2,163 m over 6.2 km.
Surface and path types
- Surface
- Paved 4%
- Dirt & gravel 96%
- Path types
- Trail 42%
- Track 54%
- Road 4%
Description
Difficulty
Official rating: moderate, by Parc national des Écrins.
Getting there
Start: Le Bourget - Fonts de Cervières, Cervières (05).
Sources
- Track: Parc national des Écrins, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (destination.ecrins-parcnational.fr/trek/996908-Boucle-du-Col-de-Bousson). 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: 469 m, Parc national des Écrins
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