Positions fortifiées Sud du Donon
Key facts
- Distance
- 11.3 km
- Ascent
- +328 m
- Descent
- −328 m
- Estimated time
- 3 hr 15
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 10.5 km under 10% and 0.8 km at 10 to 20%. Elevation from 685 m to 895 m over 11.3 km.
Surface and path types
- Surface
- Paved 6%
- Dirt & gravel 94%
- Path types
- Trail 36%
- Track 62%
- Road 2%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Plarforme du Donon, Grandfontaine (67).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/16250215). 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)
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