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Routes
Mountain biking trails
France
Ile-de-France
Versailles
Guyancourt

Vallée de la Mérantaise – Aigrefon wood loop from Guyancourt

Routes
Mountain biking trails
France
Ile-de-France
Versailles
Guyancourt

Vallée de la Mérantaise – Aigrefon wood loop from Guyancourt

Moderate

4.2

(6)

14

riders

Vallée de la Mérantaise – Aigrefon wood loop from Guyancourt

01:43

24.4km

190m

Mountain biking

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: May 13, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

A

Start point

Bus stop

Get Directions

1

9.25 km

Vallée de la Mérantaise

Highlight • Gorge

The Mérantaise Valley, near Villiers-le-Bâcle, is a veritable green haven in Île-de-France. The trail runs along the Mérantaise River, winding through dense forests, meadows and wetlands rich in biodiversity. It …

Translated by Google •

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2

11.2 km

Aigrefon wood

Highlight • Forest

Ease of access and diversity of slopes

Translated by Google •

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3

11.4 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 •

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4

20.9 km

Butte aux Chênes Hill

Highlight • Climb

Super beautiful in spring, nice bike ride!

Translated by Google •

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5

21.1 km

INRA Pond

Highlight • Lake

6

21.4 km

Ramp of the Butte aux Chênes

Highlight (Segment) • Climb

Very challenging steep ramp in the middle of this very nice single in the oaks
rare are those who don't set foot
up to you !!

Translated by Google •

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7

22.3 km

Calvary of the Croix-du-Bois

Highlight • Other

Nice view over the valley

Translated by Google •

Tip by

8

22.6 km

From the Croix du Bois park, you just have to enter the forest to have fun. The paths and trails are technical, bumpy and sometimes steep. The perfect mix for a great mountain bike ride.

Translated by Google •

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B

24.4 km

End point

Bus stop

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Way Types & Surfaces

Way Types

10.3 km

4.88 km

4.45 km

3.63 km

1.24 km

Surfaces

7.78 km

6.02 km

5.69 km

2.84 km

1.24 km

633 m

254 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 (80 m)

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Weather

Powered by Foreca

Friday 22 May

29°C

12°C

0 %

Additional weather tips

Max wind speed: 8.0 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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