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Mountain biking trails

Single from Port-Royal – Geneste Pond loop from La Verrière

Routes

Mountain biking trails

Single from Port-Royal – Geneste Pond loop from La Verrière

Hard

3.7

(7)

riders

Single from Port-Royal – Geneste Pond loop from La Verrière

03:53

51.4km

410m

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 19, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 27 m for 7 m

After 51.4 km for 7 m

Waypoints

Start point

Train Station

Get Directions

2.08 km

Étang des Noës

Lake

5.57 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

6.14 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

7.11 km

View of the Ruins of Port-Royal-des-Champs Abbey

Highlight • Historical Site

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

7.79 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

16.3 km

Le Bois des Roussières

Forest

17.2 km

Wooden Footbridges of the Étang du Moulin à Renard

Highlight • Bridge

These wooden footbridges allow you to discover the Bièvre stream which winds towards the Renard mill pond.

Translated by Google •

Tip by

22.8 km

Étang de la Minière

Highlight • Lake

No difficulty, you can go for it!

Translated by Google •

Tip by

25.2 km

Geneste Pond

Highlight • Lake

The Geneste pond is a pond located in the town of Buc, in the Yvelines. It was dug in 1948 to protect Buc from flooding by channeling the waters of the Bièvre, then enlarged.

Translated by Google •

Tip by

38.8 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

42.4 km

Bois de la Garenne

Forest

51.4 km

End point

Train Station

Way Types & Surfaces

Way Types

27.1 km

12.6 km

7.26 km

3.96 km

412 m

173 m

Surfaces

14.4 km

12.9 km

10.6 km

10.3 km

2.41 km

748 m

141 m

Elevation

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

Highest point (170 m)

Lowest point (110 m)

Weather

Thursday 25 June

35°C

23°C

0 %

Additional weather tips

Max wind speed: 6.0 km/h

to get more detailed weather forecasts along your route

Comments

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Single from Port-Royal – Geneste Pond loop from La Verrière

Single from Port-Royal

Descent from Port-Royal Abbey

View of the Ruins of Port-Royal-des-Champs Abbey

Start of the Chemin Jean Racine

Wooden Footbridges of the Étang du Moulin à Renard

Étang de la Minière

Geneste Pond

La Mérantaise and its washhouse

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