Boucle du Chaos du Chéran
Key facts
- Distance
- 5.5 km
- Ascent
- +270 m
- Descent
- −259 m
- Estimated time
- 1 hr 50
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 3.6 km under 10%, 1.1 km at 10 to 20% and 0.8 km over 20%. Elevation from 430 m to 572 m over 5.5 km.
Surface and path types
- Surface
- Paved 13%
- Dirt & gravel 87%
- Path types
- Trail 65%
- Track 23%
- Road 12%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Gruffy, Gruffy (74).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/12431837). 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)
Nearby tracks

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Plan IGN © IGN 2026Boucle du FacteurAnnecy and its lake, Doussard (74) · Loop
Plan IGN © IGN 2026Boucle de la ServazAnnecy and its lake, Faverges-Seythenex (74) · Loop
Plan IGN © IGN 2026Boucle de l'Ermitage Saint-GermainAnnecy and its lake, Talloires-Montmin (74) · Loop
