Breteuil Castle – Méridon Castle loop from Courcelle-sur-Yvette
Breteuil Castle – Méridon Castle loop from Courcelle-sur-Yvette
4.3
(3)
35
riders
Breteuil Castle – Méridon Castle loop from Courcelle-sur-Yvette
03:38
40.9km
550m
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: August 23, 2026
Tips
Includes segments that are highly dangerous
Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.
After 36.6 km for 5 m
After 37.3 km for 29 m
Waypoints
Start point
Train Station
816 m
Jaumeron Meadow
Highlight • Natural
Translated by Google •
Tip by
4.66 km
Réserve naturelle du val et coteau de Saint-Rémy
Nature Reserve
7.05 km
View of Château de la Madeleine
Highlight • Other
11.7 km
Choisel Church
Highlight • Historical Site
Translated by Google •
Tip by
13.4 km
Breteuil Castle
Highlight • Castle
Translated by Google •
Tip by
19.7 km
Petit Moulin des Vaux de Cernay
Highlight • Structure
Translated by Google •
Tip by
20.9 km
Réserve biologique dirigée de la Vallée des Vaux
Nature Reserve
33.7 km
Méridon Castle
Highlight • Castle
Nice position in the forest.
Tip by
37.3 km
Stone Arch Bridge on the Old Railway Line
Highlight • Bridge
Translated by Google •
Tip by
39.9 km
Sainte-Hélène Chapel of the Château de Vaugien
Highlight • Religious Site
40.9 km
End point
Train Station
Way Types & Surfaces
Way Types
16.2 km
11.7 km
6.27 km
3.80 km
2.70 km
115 m
< 100 m
Surfaces
25.3 km
12.8 km
2.03 km
349 m
280 m
105 m
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Highest point (180 m)
Lowest point (70 m)
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Tuesday 20 October
14°C
4°C
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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