Breteuil Castle – Méridon Castle loop from Saint-Rémy-lès-Chevreuse
Breteuil Castle – Méridon Castle loop from Saint-Rémy-lès-Chevreuse
51
riders
Breteuil Castle – Méridon Castle loop from Saint-Rémy-lès-Chevreuse
03:43
40.6km
640m
Cycling
Hard bike ride. Very good fitness required. You may need to push your bike for some segments of this route. The starting point of the route is accessible with public transport.
Last updated: May 12, 2026
Tips
Includes a segment that is highly dangerous
A part of this route comprises highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 39.3 km for 29 m
Waypoints
Start point
Train Station
Get Directions
10.9 km
Abbaye of Port Royal
Highlight • Other
Translated by Google •
Tip by
11.7 km
Oratory
Highlight • Other
Tip by
14.5 km
Path from Port Royal Forest to Le Mesnil-Saint-Denis
Highlight • Trail
15.7 km
Mare de Rodon
Lake
29.4 km
Choisel Church
Highlight • Historical Site
Translated by Google •
Tip by
31.0 km
Breteuil Castle
Highlight • Castle
Translated by Google •
Tip by
31.5 km
Mare Abreuvoir Herbouvilliers
Lake
33.1 km
Méridon Castle
Highlight • Castle
Nice position in the forest.
Tip by
33.2 km
39.3 km
Stone Arch Bridge on the Old Railway Line
Highlight • Bridge
Translated by Google •
Tip by
40.6 km
End point
Train Station
Way Types & Surfaces
Way Types
18.7 km
8.43 km
7.84 km
3.32 km
1.99 km
171 m
< 100 m
Surfaces
24.6 km
10.8 km
2.88 km
1.13 km
473 m
451 m
< 100 m
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Elevation
Highest point (170 m)
Lowest point (70 m)
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Weather
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Friday 29 May
33°C
17°C
-- %
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.