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

Single from Port-Royal – Single des 17 Tournants loop from Saint-Quentin-en-Yvelines

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

Single from Port-Royal – Single des 17 Tournants loop from Saint-Quentin-en-Yvelines

Hard

4.4

(15)

89

riders

Single from Port-Royal – Single des 17 Tournants loop from Saint-Quentin-en-Yvelines

02:47

36.8km

310m

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: June 20, 2026

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 8.79 km for 18 m

Waypoints

A

Start point

Train Station

Get Directions

4.32 km

Col du Manet

Peak

2

4.61 km

Route Forestière de la Garenne

Highlight • Trail

Quite a nice little passage on a mountain bike :)

Translated by Google •

Tip by

3

7.52 km

Abandoned rails

Highlight • Historical Site

4

7.85 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

5

9.69 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

6

10.2 km

View of Port-Royal Abbey

Highlight • Castle

Very good passage in the forest, enjoy!

Translated by Google •

Tip by

7

16.0 km

Single des 17 Tournants

Highlight (Segment) • Other

Super single about 1km while reviving, very playful to do without top moderation and it ends just after on a great descent!

Translated by Google •

Tip by

27.3 km

Mare de Rodon

Lake

9

29.8 km

Singletrack in the Port-Royal State Forest

Highlight (Segment) • Trail

super technical and rolling single
to do absolutely

Translated by Google •

Tip by

10

31.8 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

B

36.8 km

End point

Train Station

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Way Types & Surfaces

Way Types

18.4 km

7.54 km

6.24 km

2.49 km

2.10 km

< 100 m

Surfaces

15.4 km

10.7 km

6.37 km

2.42 km

1.68 km

174 m

< 100 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 (100 m)

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Weather

Powered by Foreca

Thursday 2 July

29°C

12°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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