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Routes
Mountain biking trails
France
Ile-de-France
Rambouillet
Saint-Rémy-Lès-Chevreuse

Single from Port-Royal – La Madeleine Castle loop from Saint-Rémy-lès-Chevreuse

Routes
Mountain biking trails
France
Ile-de-France
Rambouillet
Saint-Rémy-Lès-Chevreuse

Single from Port-Royal – La Madeleine Castle loop from Saint-Rémy-lès-Chevreuse

Hard

4.0

(2)

81

riders

Single from Port-Royal – La Madeleine Castle loop from Saint-Rémy-lès-Chevreuse

06:54

78.2km

1,240m

Mountain biking

Hard mountain bike ride. Very 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 16, 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 77.8 km for 29 m

Waypoints

A

Start point

Bus stop

Get Directions

2.28 km

Réserve naturelle du val et coteau de Saint-Rémy

Nature Reserve

7.65 km

Viewpoint

Viewpoint

3

9.59 km

Sablière d'Aigrefoin

Highlight • Forest

A magnificent playground for thrill seekers. The paths through the sandpit give you the opportunity to test your legs on the mounds.

Translated by Google •

Tip by

4

9.81 km

Aigrefon wood

Highlight • Forest

Ease of access and diversity of slopes

Translated by Google •

Tip by

5

17.8 km

La Mérantaise and its washhouse

Highlight • Historical Site

The forest of Port-Royal is distinguished by the pretty landscapes created by the Mérantaise which crosses it. The washhouse set up by the river further embellishes this idyllic setting.

Translated by Google •

Tip by

6

26.1 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

27.6 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

62.4 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

68.0 km

Forêt Départementale de Méridon

Forest

10

71.6 km

La Madeleine Castle

Highlight • Castle

The Madeleine castle, located on the heights of Chevreuse, offers a superb panorama over the Yvette valley. Magnificent fortress, it was built between the 11th and 14th centuries. The Maison …

Translated by Google •

Tip by

73.0 km

Forêt domaniale du Claireau

Forest

12

77.8 km

Super atypical passage, I recommend

Translated by Google •

Tip by

B

78.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

36.6 km

27.1 km

7.14 km

4.21 km

2.14 km

1.03 km

< 100 m

Surfaces

40.0 km

12.6 km

11.3 km

8.54 km

4.57 km

775 m

587 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 (180 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Monday 19 October

13°C

7°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Comments

September 17, 2023,La rando raid des renards 2023🦊
Left with Lolo, Fabrice, Pierre and Ritter as well as Julio de Ballancourt 👍🏼
Me and the pair followed Julio's rhythm 😈 🥵 not easy to follow the loustic, especially the restarts at the top of the hills when he was pulling himself out with electrics 😝.
Happy with my fashion hike 🚀 and not having let go of the …

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