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France
Ile-de-France
Palaiseau
La Ville-Du-Bois

Montjay Tunnel – Fauvettes Viaduct loop from La Ville-du-Bois

Routes
Bike touring routes & trails
France
Ile-de-France
Palaiseau
La Ville-Du-Bois

Montjay Tunnel – Fauvettes Viaduct loop from La Ville-du-Bois

Moderate

4.0

(2)

15

riders

Montjay Tunnel – Fauvettes Viaduct loop from La Ville-du-Bois

02:32

34.9km

330m

Cycling

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

Last updated: September 24, 2026

Tips

Includes a segment in which cycling is not permitted

After 30.3 km for 52 m

Waypoints

A

Start point

Bus stop

Get Directions

1.98 km

Bois de la Turaude

Forest

2

3.99 km

Le Ruisseau Blanc Equestrian Center

Highlight • Structure

6.79 km

Bois Courtin

Forest

4

13.9 km

Parc Nord - Les Ulis

Highlight • Other

5

15.4 km

Be careful not to continue straight uphill and miss the trailhead. On this trail, you go right into it and then turn left on a wide path, a few meters away you can already see the tunnel.

Tip by

6

16.1 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

7

16.9 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 …

Translated by Google •

Tip by

8

18.8 km

Mare de Gometz-le-Châtel

Highlight • Trail

It's hard to believe that you are so close to Paris when you pass through the pretty village of Gometz-le-Châtel. The town stands out in particular for its small ponds …

Translated by Google •

Tip by

9

21.3 km

The Oak of Petit Launay

Highlight • Natural Monument

The “Petit Launay” oak (the aulnoye), remarkable for its size and the distribution of its branches, seems to date back to the 15th century.
The organizers of the Universal Exhibition …

Translated by Google •

Tip by

B

34.9 km

End point

Bus stop

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Way Types & Surfaces

Way Types

10.3 km

8.12 km

7.57 km

4.30 km

4.12 km

345 m

221 m

Surfaces

17.0 km

9.67 km

4.13 km

4.07 km

< 100 m

< 100 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 (160 m)

Lowest point (90 m)

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Weather

Powered by Foreca

Tuesday 20 October

14°C

5°C

44 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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