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Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Montalet-Le-Bois

The Vétheuil dome – Ferme Les Bonnes Joies loop from Montalet-le-Bois

Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Montalet-Le-Bois

The Vétheuil dome – Ferme Les Bonnes Joies loop from Montalet-le-Bois

Moderate

5.0

(1)

2

riders

The Vétheuil dome – Ferme Les Bonnes Joies loop from Montalet-le-Bois

02:25

27.4km

450m

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: February 22, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional du Vexin Français

Waypoints

A

Start point

Bus stop

Get Directions

1.46 km

Remise aux Grés

Forest

2

2.24 km

Highlight • Natural

We are here in the presence of a large dolmen discovered in 1768 by the villagers.

They actually believed they had discovered the remains of a monastery.
The stripping of …

Translated by Google •

Tip by

3

2.82 km

Very nice building, to visit

Translated by Google •

Tip by

4

2.86 km

5

4.93 km

Vexin Valley

Highlight • Natural

6

13.2 km

The Vétheuil dome

Highlight • Other

During the Second World War, the German army chose this remote site to train its aircraft pilots. It was to house the devices that an immense concrete dome was built, …

Translated by Google •

Tip by

7

23.3 km

lavoir de Lesseville

Highlight • Other

8

26.0 km

Ferme Les Bonnes Joies

Highlight • Structure

Magnificent farmhouse that can be rented for receptions and a magnificent view

Translated by Google •

Tip by

9

26.2 km

View of the Montcient valley

Highlight • Other

From here you can enjoy a superb view of the valley and the fields of French Vexin. A real breath of fresh air!

Translated by Google •

Tip by

B

27.4 km

End point

Bus stop

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Way Types & Surfaces

Way Types

19.2 km

3.82 km

3.13 km

927 m

264 m

Surfaces

19.9 km

4.70 km

2.72 km

< 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 (180 m)

Lowest point (40 m)

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Weather

Powered by Foreca

Tuesday 19 May

19°C

11°C

56 %

Additional weather tips

Max wind speed: 23.0 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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