View of the Cergy Valley – Château de Boisemont loop from Zone d'effondrements permanents - Danger
View of the Cergy Valley – Château de Boisemont loop from Zone d'effondrements permanents - Danger
10
runners
01:52
14.7km
360m
Running
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.
Last updated: April 1, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Bus stop
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2.31 km
Highlight • Viewpoint
3.54 km
Highlight • Castle
8.01 km
La Mare Haricot
Lake
8.49 km
Forêt de l'Hautil
Forest
14.7 km
End point
Bus stop
Way Types & Surfaces
Way Types
8.97 km
3.89 km
898 m
615 m
363 m
Surfaces
12.2 km
1.11 km
968 m
245 m
212 m
< 100 m
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Elevation
Highest point (190 m)
Lowest point (90 m)
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Weather
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Thursday 21 May
27°C
9°C
0 %
Additional weather tips
Max wind speed: 10.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.