Boucle des Partias
Key facts
- Distance
- 15.5 km
- Ascent
- +1,161 m
- Descent
- −1,055 m
- Estimated time
- 2 hr 35
- trail running
- Difficulty
- Moderate
- official rating
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 5.0 km under 10%, 8.5 km at 10 to 20% and 1.9 km over 20%. Elevation from 1,524 m to 2,286 m over 15.5 km.
Surface and path types
- Surface
- Paved 1%
- Dirt & gravel 97%
- Unknown 2%
- Path types
- Trail 64%
- Track 33%
- Road 1%
- Off-network 2%
Description
Difficulty
Official rating: moderate, by Parc national des Écrins.
Getting there
Start: Puy Chalvin, Puy-Saint-André (05).
Sources
- Track: Parc national des Écrins, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (destination.ecrins-parcnational.fr/trek/997716-Boucle-des-Partias). 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: 1,161 m, Parc national des Écrins
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