Le Grand-Bois - n° 111
Key facts
- Distance
- 8.9 km
- Ascent
- +147 m
- Descent
- −108 m
- Estimated time
- 50 min
- mtb
- Difficulty
- Easy
- official rating
- Route
- Loop
- back to the start
Official time: 1 h
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 8.9 km under 10%. Elevation from 840 m to 904 m over 8.9 km.
Surface and path types
- Surface
- Paved 38%
- Dirt & gravel 56%
- Unknown 6%
- Path types
- Trail 7%
- Track 61%
- Road 26%
- Off-network 6%
Difficulty
Official rating: easy, by Département du Doubs.
Getting there
Start: Parking de la mairie, Chaffois, Chaffois (25).
Sources
- Track: Département du Doubs (explore.doubs.fr), ODbL, ODbL 1.0 (explore.doubs.fr/trek/3935-Le-Grand-Bois---n-111). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 1 h, explore.doubs.fr
- 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: 147 m, Département du Doubs
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