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Mountain biking trails

Montigny-Le-Bretonneux

Descent from Port-Royal Abbey – Single from Port-Royal loop from Montigny-le-Bretonneux

Mountain biking trails

Montigny-Le-Bretonneux

Descent from Port-Royal Abbey – Single from Port-Royal loop from Montigny-le-Bretonneux

Hard

4.4

(41)

128

riders

Descent from Port-Royal Abbey – Single from Port-Royal loop from Montigny-le-Bretonneux

01:52

24.4km

180m

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: April 24, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Natura 2000 du Massif de Rambouillet et Zones Humides Proches

Waypoints

A

Start point

Bus stop

Get Directions

1

2.08 km

Bois de la Garenne singletrack

Highlight • Trail

2

4.41 km

Route Forestière de la Garenne

Highlight • Trail

Quite a nice little passage on a mountain bike :)

Translated by Google •

Tip by

3

5.12 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

9.89 km

Mare Ronde

Lake

5

13.2 km

Start of the Chemin Jean Racine

Highlight • Trail

The Jean Racine path which climbs to the castle is steep
This is the famous Côte de la Madeleine.

Translated by Google •

Tip by

6

13.7 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

7

15.0 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

8

17.3 km

Singletrack in the Port-Royal State Forest

Highlight (Segment) • Trail

super technical and rolling single
to do absolutely

Translated by Google •

Tip by

9

19.4 km

Manet Pond

Highlight • Lake

B

24.4 km

End point

Bus stop

Way Types & Surfaces

Way Types

20.2 km

2.74 km

1.33 km

192 m

< 100 m

Surfaces

10.3 km

6.72 km

3.55 km

3.36 km

536 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (170 m)

Lowest point (120 m)

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Weather

Powered by Foreca

Sunday 17 May

16°C

6°C

51 %

Additional weather tips

Max wind speed: 11.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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