Les 400 Coups
Key facts
- Distance
- 11.9 km
- Ascent
- +21 m
- Descent
- −18 m
- Estimated time
- 2 hr 40
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 11.9 km under 10%. Elevation from 5 m to 21 m over 11.9 km.
Surface and path types
- Surface
- Paved 52%
- Dirt & gravel 48%
- Path types
- Trail 4%
- Track 44%
- Road 52%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Ponthoile, Ponthoile (80).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/8275790). 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
Plan IGN © IGN 2026 · track © OpenStreetMapBallade à Saint-ValéryHauts-de-France, Saint-Valery-sur-Somme (80) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapBalade au CrotoyHauts-de-France, Le Crotoy (80) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapAu temps des FortificationsHauts-de-France, Rue (80) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapChâteau de Régnière-EcluseHauts-de-France, Regnière-Écluse (80) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit de DrancourtHauts-de-France, Estrébœuf (80) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLe HallotHauts-de-France, Forest-l'Abbaye (80) · Loop