5.0
(1)
8
riders
Saint-Cyr Castle – Lavilltertre pond loop from Pontoise
04:35
71.7km
660m
Gravel riding
Hard gravel ride. 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: May 11, 2026
Tips
Includes a segment that goes up or down a series of steps
You may need to carry your bike.
After 54.1 km for 6 m
Waypoints
Start point
Train Station
Get Directions
3.03 km
Forest Cycle Path in Parc naturel régional du Vexin Français
Highlight (Segment) • Cycleway
Translated by Google •
Tip by
6.14 km
Bois Dame Jeanne
Forest
25.7 km
Saint-Cyr Castle
Highlight • Castle
Translated by Google •
Tip by
29.8 km
Lavilltertre pond
Highlight • Other
40.7 km
Moussy Castle
Highlight • Castle
Translated by Google •
Tip by
45.7 km
Jules César Road
Highlight • Historical Site
This Julius Caesar causeway is moving, because over 2000 years ago, humans were driving where we put our wheels.
Translated by Google •
Tip by
46.1 km
Chaussée Jules César
Highlight • Trail
Translated by Google •
Tip by
50.2 km
Vexin Français Regional Natural Park Visitor Centre
Highlight • Historical Site
Translated by Google •
Tip by
50.2 km
Château de Théméricourt
Highlight • Castle
Translated by Google •
Tip by
54.5 km
Réserve naturelle du site géologique de Vigny-Longuesse
Nature Reserve
60.5 km
Bois de l'Hautil
Forest
71.7 km
End point
Train Station
Way Types & Surfaces
Way Types
30.5 km
22.2 km
10.5 km
5.32 km
3.21 km
< 100 m
Surfaces
31.7 km
21.6 km
14.2 km
3.63 km
564 m
< 100 m
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Elevation
Highest point (200 m)
Lowest point (20 m)
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Weather
Powered by Foreca
Saturday 30 May
22°C
13°C
24 %
Additional weather tips
Max wind speed: 17.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.