Chemins Creux
Key facts
- Distance
- 16.5 km
- Ascent
- +77 m
- Descent
- −77 m
- Estimated time
- 3 hr 50
- hiking ; mtb : 1 hr 20
- Difficulty
- Difficult
- official rating
- Route
- Loop
- back to the start
Official time: 4 h 30 min
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 16.5 km under 10%. Elevation from 8 m to 40 m over 16.5 km.
Surface and path types
- Surface
- Paved 41%
- Dirt & gravel 59%
- Path types
- Trail 8%
- Track 51%
- Road 41%
Description
Difficulty
Official rating: difficult, by Département de Loire-Atlantique.
Getting there
Start: Casson, Casson (44).
Sources
- Track: Département de Loire-Atlantique, PDIPR, Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (www.erdrecanalforet.fr/fr/20-circuits-de-randonnee.html?mb_page=circuit&mb_id=58811&mb_titre=circuit-les-chemins-creux-casson#mb_module). Time estimated by GPX Path with the Mac app rule, breaks not included.
- Official time: 4 h 30 min, erdrecanalforet.fr
- Surface and path types: © OpenStreetMap contributors, ODbL, extract of 28 October 2026, matched to the track every 10 m (openstreetmap.org/copyright)
Nearby tracks
Plan IGN © IGN 2026Circuit de l'île de MazerollesPays de la Loire, Sucé-sur-Erdre (44) · LoopOfficial rating by Département de Loire-Atlantique
Plan IGN © IGN 2026Vive-EvePays de la Loire, Nort-sur-Erdre (44) · LoopOfficial rating by Département de Loire-Atlantique
Plan IGN © IGN 2026Les MoulinsPays de la Loire, Grandchamp-des-Fontaines (44) · LoopOfficial rating by Département de Loire-Atlantique
Plan IGN © IGN 2026Les Marais de Blanche NoëPays de la Loire, Nort-sur-Erdre (44) · LoopOfficial rating by Département de Loire-Atlantique
Plan IGN © IGN 2026Les VoïettesPays de la Loire, Sucé-sur-Erdre (44) · LoopOfficial rating by Département de Loire-Atlantique
Plan IGN © IGN 2026Des EtangsPays de la Loire, Grandchamp-des-Fontaines (44) · LoopOfficial rating by Département de Loire-Atlantique