Sentier de la boucle d'oreille (sentier d'interprétation)
Key facts
- Distance
- 4.5 km
- Ascent
- +124 m
- Descent
- −106 m
- Estimated time
- 1 hr 15
- hiking
- Difficulty
- Easy
- official rating
- Route
- Loop
- back to the start
Official time: 1 h 30 min
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 4.1 km under 10% and 0.5 km at 10 to 20%. Elevation from 1,034 m to 1,145 m over 4.5 km.
Surface and path types
- Surface
- Paved 37%
- Dirt & gravel 63%
- Path types
- Trail 17%
- Track 46%
- Road 37%
Difficulty
Official rating: easy, by Département de l'Ain.
Getting there
Start: Maison des Plans, Haut-Valromey, Haut Valromey (01).
Sources
- Track: Département de l'Ain, PDIPR, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (departement-ain.opendata.arcgis.com/datasets/ain::pdipr-itineraire). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 1 h 30 min, departement-ain.opendata.arcgis.com
- 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: 124 m, Département de l'Ain
Nearby tracks
Plan IGN © IGN 2026La ronde des PlansAuvergne-Rhône-Alpes, Haut Valromey (01) · LoopOfficial rating by Département de l'Ain
Plan IGN © IGN 2026 · track © OpenStreetMapLe Tour de RetordAuvergne-Rhône-Alpes, Injoux-Génissiat (01) · Loop
Plan IGN © IGN 2026Boucle des PlatièresAuvergne-Rhône-Alpes, Corbonod (01) · LoopOfficial rating by Département de l'Ain
Plan IGN © IGN 2026Boucle de la croix de FambanAuvergne-Rhône-Alpes, Corbonod (01) · LoopOfficial rating by Département de l'Ain
Plan IGN © IGN 2026Les crêtes de Sur LyandAuvergne-Rhône-Alpes, Arvière-en-Valromey (01) · LoopOfficial rating by Département de l'Ain
Plan IGN © IGN 2026De Nantuy à la Ragiaz par la crêteAuvergne-Rhône-Alpes, Plateau d'Hauteville (01) · LoopOfficial rating by Département de l'Ain