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Mountain biking trails

Fauvettes Viaduct – Fauvettes Viaduct loop from Bonnelles

Routes

Mountain biking trails

Fauvettes Viaduct – Fauvettes Viaduct loop from Bonnelles

Moderate

4.3

(6)

riders

Fauvettes Viaduct – Fauvettes Viaduct loop from Bonnelles

02:03

30.9km

270m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 19, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 27.6 km for 22 m

Waypoints

Start point

Bus stop

Get Directions

5.50 km

Viaduc de la Prédécelle

Highlight • Bridge

It is a mini viaduct which offers beautiful views

Translated by Google •

Tip by

10.1 km

Aérotrain Jean Bertin Sculpture

Highlight • Monument

Sculpture by the artist Georges Saulterre paying tribute to the teams of the French engineer Jean Bertin who worked on the aerotrain (TGV competitor who never experienced commercial exploitation).
The …

Translated by Google •

Tip by

13.9 km

Fauvettes Viaduct

Highlight (Segment) • Bridge

Nice point of view

Translated by Google •

Tip by

14.6 km

Montjay Tunnel

Highlight • Trail

Like the nearby Fauvettes viaduct, the Montjay tunnel once served as the old Paris-Chartres railway line. In the middle of the communal forest of Bures-sur-Yvette, it punctuates the straight and rolling line leading to the viaduct.

Translated by Google •

Tip by

14.8 km

MTB Descent

Highlight (Segment) • MTB Park

departure: over the tunnel, clear road

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15.8 km

Fauvettes Viaduct

Highlight • Bridge

Magnificent viewpoint over the valley surrounded by greenery, accessible by "gravel" paths (roots and stones) through the wood or by "hiking / mountain biking" trails in the valley (it will …

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19.8 km

Old Route of the Limours Aérotrain

Highlight (Segment) • Structure

Interesting crossing of the wood, however beware of the concrete studs that have been sawn in the middle of the track. This can be inconvenient to keep its trajectory. Little …

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27.9 km

Villevert Pond

Highlight • Other

A good place for a break

Translated by Google •

Tip by

30.9 km

End point

Bus stop

Way Types & Surfaces

Way Types

13.5 km

10.1 km

4.22 km

2.08 km

994 m

Surfaces

13.6 km

11.7 km

2.99 km

1.60 km

691 m

348 m

Elevation

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

Highest point (180 m)

Lowest point (110 m)

Weather

Today

Sunday 24 May

32°C

18°C

0 %

Additional weather tips

Max wind speed: 15.0 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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Fauvettes Viaduct – Fauvettes Viaduct loop from Bonnelles

Viaduc de la Prédécelle

Aérotrain Jean Bertin Sculpture

Fauvettes Viaduct

Montjay Tunnel

MTB Descent

Fauvettes Viaduct

Old Route of the Limours Aérotrain

Villevert Pond

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