Grotte du Grenier N°32
Key facts
- Distance
- 7.7 km
- Ascent
- +378 m
- Descent
- −319 m
- Estimated time
- 2 hr 25
- hiking
- Difficulty
- Moderate
- official rating
- Route
- Loop
- back to the start
Official time: 2 h 40 min
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 5.6 km under 10%, 1.7 km at 10 to 20% and 0.4 km over 20%. Elevation from 668 m to 867 m over 7.7 km.
Surface and path types
- Surface
- Paved 22%
- Dirt & gravel 77%
- Unknown 1%
- Path types
- Trail 55%
- Track 23%
- Road 21%
- Off-network 1%
Difficulty
Official rating: moderate, by Département du Doubs.
Getting there
Start: Le Pissoux, Villers-le-Lac (25).
Sources
- Track: Département du Doubs (explore.doubs.fr), ODbL, ODbL 1.0 (explore.doubs.fr/trek/999-Grotte-du-Grenier-N32). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 2 h 40 min, 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: 378 m, Département du Doubs
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