La Mérantaise and its washhouse – Single from Port-Royal loop from Gif-sur-Yvette
La Mérantaise and its washhouse – Single from Port-Royal loop from Gif-sur-Yvette
4.2
(6)
66
riders
04:39
55.1km
680m
Mountain biking
Hard mountain bike ride. Good fitness required. 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 22, 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 46.1 km for 5 m
After 46.7 km for 75 m
Waypoints
Start point
Train Station
2.84 km
Highlight • Gorge
Translated by Google •
Tip by
6.61 km
Forêt domaniale de Port Royal
Forest
10.3 km
Highlight • Historical Site
Translated by Google •
Tip by
13.9 km
Bois de la Garenne
Forest
17.8 km
Highlight • Other
Translated by Google •
Tip by
28.7 km
Highlight • Monument
Translated by Google •
Tip by
35.9 km
Highlight • Lake
Translated by Google •
Tip by
36.3 km
Highlight • Structure
Translated by Google •
Tip by
37.0 km
Réserve biologique dirigée du Bois Boisseau
Nature Reserve
43.7 km
Highlight • Castle
Tip by
46.7 km
Highlight • Bridge
Translated by Google •
Tip by
48.6 km
Réserve naturelle du val et coteau de Saint-Rémy
Nature Reserve
55.1 km
End point
Train Station
Way Types & Surfaces
Way Types
29.8 km
15.9 km
3.36 km
3.18 km
2.20 km
620 m
< 100 m
Surfaces
22.0 km
12.9 km
10.5 km
8.04 km
1.12 km
415 m
189 m
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Sign up for freeElevation
Highest point (170 m)
Lowest point (60 m)
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Sign up for freeWeather
Powered by Foreca
Wednesday 21 October
16°C
6°C
65 %
Additional weather tips
Max wind speed: 24.0 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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