La Mérantaise and its washhouse – Single from Port-Royal loop from Magny-les-Hameaux
La Mérantaise and its washhouse – Single from Port-Royal loop from Magny-les-Hameaux
4.7
(50)
115
riders
La Mérantaise and its washhouse – Single from Port-Royal loop from Magny-les-Hameaux
01:53
24.0km
230m
Mountain biking
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike. The starting point of the route is accessible with public transport.
Last updated: August 25, 2026
Tips
Includes a very steep uphill segment
You may need to push your bike.
After 21.4 km for 119 m
Waypoints
Start point
Bus stop
3.58 km
La Mérantaise and its washhouse
Highlight • Historical Site
Translated by Google •
Tip by
7.18 km
Bois de la Garenne
Forest
8.55 km
Route Forestière de la Garenne
Highlight • Trail
Translated by Google •
Tip by
9.89 km
Singletrack in the Port-Royal State Forest
Highlight (Segment) • Trail
to do absolutely
Translated by Google •
Tip by
13.2 km
Abandoned rails
Highlight • Historical Site
13.5 km
Single from Port-Royal
Highlight • Other
Great !
Avoid in too wet weather there are a lot of roots that slip and the formation of …
Translated by Google •
Tip by
15.0 km
View of the Ruins of Port-Royal-des-Champs Abbey
Highlight • Historical Site
Il a été ajouté à la fin du XIXe siècle à l'emplacement du chevet, pour accueillir le premier musée.
Tip by
18.9 km
Milon-la-Chapelle
Highlight • Religious Site
Church of the Assumption of the Most Holy Virgin: a first chapel was built in the 12th century by Milon de Chevreuse, then replaced by this …
Translated by Google •
Tip by
20.2 km
Technical Descent in Parc Naturel Régional de la Haute Vallée de Chevreuse
Highlight (Segment) • Trail
Translated by Google •
Tip by
24.0 km
End point
Bus stop
Way Types & Surfaces
Way Types
15.6 km
5.21 km
1.67 km
1.43 km
160 m
< 100 m
Surfaces
9.43 km
5.31 km
4.49 km
3.93 km
565 m
258 m
< 100 m
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Sign up for freeElevation
Highest point (170 m)
Lowest point (80 m)
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Sign up for freeWeather
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Wednesday 7 October
16°C
7°C
27 %
Additional weather tips
Max wind speed: 22.0 km/h
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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