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Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Issou

The Vétheuil dome – Ferme de la Grüe loop from Issou - Porcheville

Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Issou

The Vétheuil dome – Ferme de la Grüe loop from Issou - Porcheville

Hard

5

riders

The Vétheuil dome – Ferme de la Grüe loop from Issou - Porcheville

06:36

75.7km

1,040m

Mountain biking

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

Last updated: May 12, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Parc naturel régional du Vexin Français

Waypoints

A

Start point

Train Station

Get Directions

1

11.1 km

Panorama of Mantes-La-Jolie

Highlight • Other

Panorama from Saint Sauveur Hill (Limay) above Mantes-la-Jolie.
A must-see for all Mantes residents who want to gain height to admire the city and the meanders of the Seine.
Facing west, this spot is perfect for watching a summer sunset.

Translated by Google •

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2

17.6 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 •

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3

38.8 km

Or the story of a lost arrow that stopped the English troops in their tracks.

Translated by Google •

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43.6 km

Forêt de Galluis

Forest

5

45.9 km

Lots of potential for the DH in the Vexin.

Translated by Google •

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6

49.2 km

Ferme de la Grüe

Highlight • Other

The 19th century Grue farm, built for Count Vitali, owner of the castles of Vigny and Frémainville.

Translated by Google •

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7

58.1 km

the descent in épingles

Highlight • Other

8

59.2 km

Old Washhouse of Rueil

Highlight • Structure

9

62.0 km

Founded in 1127, the Saint-Séverin church in Oinville-sur-Montcient bears witness to the long history of this commune of Yvelines. However, the north wall of the nave is the only one …

Translated by Google •

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B

75.7 km

End point

Train Station

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Way Types & Surfaces

Way Types

58.1 km

7.40 km

5.62 km

2.26 km

2.20 km

< 100 m

< 100 m

Surfaces

58.7 km

10.3 km

4.81 km

1.15 km

770 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 (200 m)

Lowest point (40 m)

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Weather

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Saturday 4 July

29°C

14°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

to get more detailed weather forecasts along your route

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