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Mountain biking trails

Bures-Sur-Yvette

Beautiful descent – View of the Petite Vallée loop from Bures-sur-Yvette

Mountain biking trails

Bures-Sur-Yvette

Beautiful descent – View of the Petite Vallée loop from Bures-sur-Yvette

Hard

4.3

(8)

49

riders

Beautiful descent – View of the Petite Vallée loop from Bures-sur-Yvette

02:22

30.3km

390m

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: August 5, 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 5.35 km for 21 m

Waypoints

A

Start point

Train Station

1

653 m

Institute for Advanced Scientific Studies (IHES)

Highlight • Historical Site

Formerly a large estate (planed by the Paris-Chartres railway line) including a castle, destroyed during the Allied bombings of 1944.

Translated by Google •

Tip by

5.58 km

Bois de la Grille Noire

Forest

7.74 km

Les fossés du Grand Villefeu

Lake

8.54 km

Forêt départementale du Bois des Gelles

Forest

5

17.3 km

Beautiful descent

Highlight (Segment) • Trail

This trail is a fun downhill trail with some roots, perfect for testing your mountain biking skills. In wet weather, there is a bit of mud. In autumn, the leaves add a nice little obstacle.

Translated by Google •

Tip by

6

18.2 km

Saulx-les-Chartreux Rock

Highlight • Natural Monument

7

19.6 km

View of the Petite Vallée

Highlight • Viewpoint

Nice view, near many small paths and single track.

Translated by Google •

Tip by

8

20.0 km

Descent of the Rocher de Saulx

Highlight • Trail

Decent very nice with banked turns that zigzag on the way down.
to do by mountain bike - guaranteed sensation: o)

Translated by Google •

Tip by

B

30.3 km

End point

Train Station

Way Types & Surfaces

Way Types

11.5 km

8.92 km

4.58 km

3.69 km

1.68 km

< 100 m

Surfaces

7.83 km

7.07 km

6.61 km

5.82 km

2.85 km

164 m

< 100 m

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Elevation

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

Highest point (160 m)

Lowest point (80 m)

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Weather

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Friday 16 October

15°C

7°C

-- %

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