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

View of the route des crêtes – The Vétheuil dome loop from Bréval

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

View of the route des crêtes – The Vétheuil dome loop from Bréval

Hard

5.0

(2)

9

riders

View of the route des crêtes – The Vétheuil dome loop from Bréval

05:13

63.8km

650m

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: August 26, 2026

Tips

Includes segments that go up or down a series of steps

You may need to carry your bike.

After 15 m for 32 m

After 63.8 km for 32 m

Waypoints

A

Start point

Train Station

Get Directions
1

20.6 km

Viewpoint

Highlight • Viewpoint

view of the loop of the seine with also the castle of Roche Guyon

Translated by Google •

Tip by

2

21.3 km

Rolling path on the crete

Highlight • Other

3

24.0 km

View of the route des crêtes

Highlight • Other

superb place with a really nice view of Gasny, if you continue on this path you will arrive on the ridge road just above the Chateau de la Roche Guyon

Translated by Google •

Tip by

4

26.6 km

View of the Seine Valley from Chemin de l'Aérodrome

Highlight (Segment) • Viewpoint

With at times a very nice view of the Seine

Translated by Google •

Tip by

5

31.6 km

View of the Seine River Branches

Highlight • Viewpoint

6

34.0 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

41.8 km

Old Limay Bridge

Highlight • Bridge

to refresh you there is no better but be careful to find out about the level of the dam because sometimes it is impossible to pass there

Translated by Google •

Tip by

8

48.5 km

Former water-ski pool

Highlight • Other

just at the entrance of Mantes la Jolie there is the old water-skiing basin, a magnificent place we don't think to be in the Paris region here, on the other hand water skiing has definitely disappeared from this place

Translated by Google •

Tip by

B

63.8 km

End point

Train Station

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Way Types & Surfaces

Way Types

41.4 km

6.99 km

6.37 km

5.58 km

3.03 km

297 m

178 m

Surfaces

46.1 km

8.96 km

6.30 km

924 m

910 m

632 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 (150 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Monday 19 October

14°C

8°C

61 %

Additional weather tips

Max wind speed: 19.0 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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