Tour du lac
Key facts
- Distance
- 8.5 km
- Ascent
- +7 m
- Descent
- −8 m
- Estimated time
- 1 hr 55
- hiking
- Difficulty
- Not rated
- Route
- Loop
- back to the start
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 8.5 km under 10%. Elevation from 162 m to 171 m over 8.5 km.
Surface and path types
- Surface
- Paved 4%
- Dirt & gravel 96%
- Path types
- Trail 89%
- Track 11%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Montigny-le-Bretonneux, Montigny-le-Bretonneux (78).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/20248716). 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 © OpenStreetMapLe sentier des SeigneursÎle-de-France, Fontenay-le-Fleury (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLe sentier de Saint-Vincent de PaulÎle-de-France, Villepreux (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapJean Racine côté Abbaye de Port-RoyalÎle-de-France, Saint-Lambert (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLe sentier des GondiÎle-de-France, Noisy-le-Roi (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapVallon et villages d'antanÎle-de-France, Le Mesnil-Saint-Denis (78) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapDes prairies du Rhodon au Château VertcoeurÎle-de-France, Chevreuse (78) · Loop