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Routes
Mountain biking trails
France
Ile-de-France
Versailles
Montigny-Le-Bretonneux

Descent from Port-Royal Abbey – Single from Port-Royal loop from Saint-Quentin-en-Yvelines

Routes
Mountain biking trails
France
Ile-de-France
Versailles
Montigny-Le-Bretonneux

Descent from Port-Royal Abbey – Single from Port-Royal loop from Saint-Quentin-en-Yvelines

Hard

4.9

(17)

130

riders

Descent from Port-Royal Abbey – Single from Port-Royal loop from Saint-Quentin-en-Yvelines

03:47

47.9km

540m

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: December 10, 2025

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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 37.8 km for 18 m

Waypoints

A

Start point

Train Station

Get Directions

1

5.00 km

Port Royal Singletrack

Highlight • MTB Park

Great spot for mountain bikers looking for thrills!
Tested with a gravel bike, I would have preferred to have had a mountain bike, but with caution I was still able to have fun!

Translated by Google •

Tip by

2

13.6 km

Pommeret trail

Highlight • Other

Pretty little dirt road packed in the countryside nice for walks...

Translated by Google •

Tip by

3

16.7 km

Nice path in the forest

Highlight • Trail

The descent to Maincourt is unfortunately doomed to disappear, landslides and lack of maintenance of the path for years... 🥴

Translated by Google •

Tip by

4

27.5 km

Viewpoint

Viewpoint

5

29.3 km

Forêt domaniale du Claireau

Forest

6

36.4 km

L'oratoire-Musée néo-gothique de l'abbaye de Port Royal

Il a été ajouté à la fin du XIXe siècle à l'emplacement du chevet, pour accueillir le premier musée.

Tip by

7

36.6 km

Descent from Port-Royal Abbey

Highlight (Segment) • Trail

One of the most beautiful descents in the park of the Chevreuse valley! the track is well traced... fortunately because the slope is steep and you quickly pick up speed when you know a little about this playful track

Translated by Google •

Tip by

8

39.8 km

Single from Port-Royal

Highlight • Other

Long single of 5km a little technical and while relaunching !!
Great !
Avoid in too wet weather there are a lot of roots that slip and the formation of …

Translated by Google •

Tip by

9

40.7 km

Singletrack in Forêt du Manet

Highlight (Segment) • Trail

Single technique

Tip by

10

43.2 km

Quite a nice little passage on a mountain bike :)

Translated by Google •

Tip by

B

47.9 km

End point

Train Station

Way Types & Surfaces

Way Types

21.0 km

13.1 km

8.05 km

3.18 km

2.13 km

334 m

231 m

Surfaces

19.1 km

12.6 km

8.40 km

3.54 km

3.54 km

551 m

263 m

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Elevation

Elevation

Highest point (170 m)

Lowest point (80 m)

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Weather

Powered by Foreca

Tuesday 3 February

11°C

2°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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