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Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Bonnières-Sur-Seine

Wash-house and manor house – View of the Seine Valley loop from Bonnières

Routes
Mountain biking trails
France
Ile-de-France
Mantes-La-Jolie
Bonnières-Sur-Seine

Wash-house and manor house – View of the Seine Valley loop from Bonnières

Moderate

4.0

(3)

23

riders

Wash-house and manor house – View of the Seine Valley loop from Bonnières

03:08

36.5km

470m

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: July 24, 2026

Tips

Cycling is not permitted along parts of this route

After 0 m for 269 m

After 36.3 km for 298 m

Waypoints

A

Start point

Train Station

Get Directions

1

9.57 km

Tilery

Highlight • Other

11.4 km

Forêt de Rosny

Forest

3

15.8 km

Rosny Forest

Highlight • Other

The regional forest of Rosny is the green lung of the north-west of Île-de-France, with 1,751 hectares of wooded areas classified as a Natura 2000 site. It is located on a plateau which offers beautiful viewpoints when the landscape emerges.

Translated by Google •

Tip by

4

26.1 km

Wash-house and manor house

Highlight • Other

A beautiful wash house in front of a very beautiful house.

Translated by Google •

Tip by

5

31.7 km

Its good

Translated by Google •

Tip by

6

32.9 km

View of the Seine Valley

Highlight • Viewpoint

just before heading to the Belvédère, a really nice corner with a superb view of the valley of the Seine

Translated by Google •

Tip by

7

35.1 km

The Loop

Highlight • Trail

Uninteresting, but it avoids staying on the main road.

Translated by Google •

Tip by

B

36.5 km

End point

Train Station

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Way Types & Surfaces

Way Types

24.3 km

4.89 km

3.88 km

2.09 km

828 m

520 m

Surfaces

26.3 km

7.33 km

2.40 km

481 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 (20 m)

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Weather

Powered by Foreca

Monday 3 August

32°C

18°C

32 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

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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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