Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional de la Haute Vallée de Chevreuse

Waypoints

Start point

Bus stop

Get Directions

474 m

Chemin rural de la Voie rouge

Highlight • Other

At the edge of the woods, this beautiful flat path allows you to lengthen your stride with an open landscape over the fields to the west. If you need a …

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1.47 km

Bassin d'Armand

Lake

2.74 km

Forêt communale de Gif-sur-Yvette

Forest

3.35 km

Gif-sur-Yvette Forest

Highlight • Forest

The communal forest of Gif-sur-Yvette offers a beautiful setting for running. On wide rolling paths, you are protected from the sun in summer and from the wind in winter.

On …

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8.42 km

Below the viaduct

Highlight • Bridge

If crossing the Fauvettes viaduct offers great views, going under it is just as easy on the eyes. Coming from Gometz-le-Châtel, the small single track that leads there offers a …

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8.76 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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11.3 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.

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15.3 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 …

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15.7 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.76 km

5.46 km

2.06 km

587 m

441 m

415 m

Surfaces

6.85 km

2.87 km

2.75 km

2.42 km

772 m

< 100 m

Elevation

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

Highest point (170 m)

Lowest point (90 m)

Weather

Friday 24 April

22°C

7°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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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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Fauvettes Viaduct – Montjay Tunnel loop from Gometz-le-Châtel

Chemin rural de la Voie rouge

Gif-sur-Yvette Forest

Below the viaduct

Fauvettes Viaduct

Montjay Tunnel

Mare de Gometz-le-Châtel

Nearby routes

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