Puits Fondu
Key facts
- Distance
- 5.5 km
- Ascent
- +69 m
- Descent
- −68 m
- Estimated time
- 1 hr 20
- hiking
- Difficulty
- Not rated
- Route
- Point to point
- ends elsewhere
Profile and gradient
- under 10%
- 10 to 20%
- over 20%
Gradient along the route: 4.9 km under 10% and 0.5 km at 10 to 20%. Elevation from 42 m to 111 m over 5.5 km.
Surface and path types
- Surface
- Paved 5%
- Dirt & gravel 95%
- Path types
- Track 96%
- Road 4%
Difficulty
No official rating for this track: we do not make one up.
Getting there
Start: Nesles-la-Vallée, Nesles-la-Vallée (95).
Sources
- Track: © OpenStreetMap contributors, ODbL 1.0 (www.openstreetmap.org/relation/14962323). 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 chemin des CroixÎle-de-France, Labbeville (95) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLes Quatre VillagesÎle-de-France, Hédouville (95) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLa forêt de L'Isle-AdamÎle-de-France, L'Isle-Adam (95) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLes fonds de RhusÎle-de-France, Épiais-Rhus (95) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapLes sources du SausseronÎle-de-France, Berville (95) · Loop
Plan IGN © IGN 2026 · track © OpenStreetMapCircuit de Belloy, Saint-MartinÎle-de-France, Saint-Martin-du-Tertre (95) · Loop
