De la forêt de Dourdan à l'Orge
Key facts
- Distance
- 12.6 km
- Ascent
- +118 m
- Descent
- −117 m
- Estimated time
- 3 hr 05
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 12.6 km under 10%. Elevation from 95 m to 162 m over 12.6 km.
Surface and path types
- Surface
- Paved 20%
- Dirt & gravel 76%
- Unknown 4%
- Path types
- Trail 23%
- Track 53%
- Road 24%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Dourdan, Dourdan (91).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/20282605). 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 © OpenStreetMapForêt de DourdanÎle-de-France, Dourdan (91) · Point to point
Plan IGN © IGN 2026 · track © OpenStreetMapSentier de découverte du Beau RouvreÎle-de-France, Dourdan (91) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapPromenade des FontenettesÎle-de-France, Dourdan (91) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapPromenade de NemoursÎle-de-France, Dourdan (91) · Point to point
Plan IGN © IGN 2026 · track © OpenStreetMapRochefort-en-YvelinesÎle-de-France, Rochefort-en-Yvelines (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit de SonchampÎle-de-France, Saint-Arnoult-en-Yvelines (78) · Loop
