Sentier d'interprétation du marais du Bourget
Key facts
- Distance
- 7.8 km
- Ascent
- +89 m
- Descent
- −67 m
- Estimated time
- 1 hr 50
- hiking
- Difficulty
- Easy
- official rating
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 7.6 km under 10% and 0.2 km at 10 to 20%. Elevation from 1,857 m to 1,908 m over 7.8 km.
Surface and path types
- Surface
- Paved 2%
- Dirt & gravel 97%
- Unknown 1%
- Path types
- Trail 55%
- Track 42%
- Road 2%
- Off-network 1%
Description
Difficulty
Official rating: easy, by Parc national des Écrins.
Getting there
Start: La Chau - 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/997170-Sentier-d-interpretation-du-marais-du-Bourget). 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: 89 m, Parc national des Écrins
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