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Fauvettes Viaduct – Montjay Tunnel loop from Courcelle-sur-Yvette

Routes

Bike touring routes & trails

Fauvettes Viaduct – Montjay Tunnel loop from Courcelle-sur-Yvette

Moderate

5.0

(1)

riders

Fauvettes Viaduct – Montjay Tunnel loop from Courcelle-sur-Yvette

01:25

21.1km

200m

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: April 25, 2026

Tips

Includes a segment in which cycling is not permitted

After 11.5 km for 102 m

Waypoints

Start point

Train Station

Get Directions

9.14 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 •

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9.72 km

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

10.5 km

The trail entrance to se the tunnel in here on the right

Highlight • Other

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

12.9 km

Chemin du Bras Mort in Bures-sur-Yvette

Highlight • Cycleway

The Chemin du Bras Mort cycle path in Bures-sur-Yvette offers a serene and picturesque ride through the natural beauty of the Chevreuse Valley. Following the meanders of the Yvette, this …

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14.6 km

Button Castle

Highlight • Castle

In 1912, Édouard Noetzlin, chairman of the board of directors of the Bank of Paris and the Netherlands, became the new owner of the estate.
Following the Second World War, …

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Tip by

15.0 km

La mérantaise and its washhouse

Highlight • Other

Bucolic place but more for pedestrians than cyclists

Translated by Google •

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15.8 km

Bassin de Coupières

Highlight • Natural

Created to retain the floods of the Yvette, the Bassin de Coupières offers a beautiful unobstructed view of the Bois d'Aigrefoin. Walking along its abundant vegetation is extremely pleasant.

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16.4 km

Solar system to scale

Highlight • Monument

21.1 km

End point

Train Station

Way Types & Surfaces

Way Types

7.05 km

6.58 km

4.70 km

2.17 km

529 m

< 100 m

Surfaces

14.4 km

3.52 km

2.55 km

424 m

176 m

< 100 m

Elevation

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

Highest point (160 m)

Lowest point (60 m)

Weather

Friday 22 May

29°C

13°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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Fauvettes Viaduct – Montjay Tunnel loop from Courcelle-sur-Yvette

Fauvettes Viaduct

Montjay Tunnel

The trail entrance to se the tunnel in here on the right

Chemin du Bras Mort in Bures-sur-Yvette

Button Castle

La mérantaise and its washhouse

Bassin de Coupières

Solar system to scale

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