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Routes
Mountain biking trails
France
Ile-de-France

GR along the Dampont woods – Chaussée Jules César loop from Pontoise

Routes
Mountain biking trails
France
Ile-de-France

GR along the Dampont woods – Chaussée Jules César loop from Pontoise

Moderate

4.3

(4)

14

riders

GR along the Dampont woods – Chaussée Jules César loop from Pontoise

03:36

47.1km

490m

Mountain biking

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary. The starting point of the route is accessible with public transport.

Last updated: April 8, 2026

Tips

Cycling is not permitted along parts of this route

After 5.35 km for 94 m

After 40.3 km for 155 m

Waypoints

A

Start point

Train Station

Get Directions

1

3.48 km

Greenway along the residences of Osny

Highlight • Trail

Super fun, and practical to avoid the main boulevards

Translated by Google •

Tip by

2

5.56 km

Ideal for family picnics and artistic walks. The park is magnificent!

Translated by Google •

Tip by

5.85 km

Château de Grouchy

Castle

4

6.19 km

2

Highlight • Other

5

19.1 km

GR along the Dampont woods

Highlight • Other

Good trail along the domain. too bad we can't see the castle 😌

Translated by Google •

Tip by

6

27.1 km

Moulin de Vallière

Highlight • Monument

essential place of the Vexin where you can see different species of birds.

Translated by Google •

Tip by

8

32.5 km

Chaussée Jules César

Highlight • Other

Chaussée Jules César, Hilly viewpoint over the Vexin and its various castles.

Translated by Google •

Tip by

9

36.4 km

The Jules-César roadway in Vexin bears witness to Roman influence in the region. It is part of a network of military roads dating back more than 2,000 years. This historic …

Translated by Google •

Tip by

38.2 km

Viewpoint

Viewpoint

B

47.1 km

End point

Train Station

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Way Types & Surfaces

Way Types

25.7 km

7.27 km

6.20 km

3.94 km

3.84 km

268 m

< 100 m

Surfaces

20.5 km

14.6 km

4.16 km

4.02 km

2.24 km

1.63 km

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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 (120 m)

Lowest point (20 m)

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Weather

Powered by Foreca

Today

Monday 29 June

26°C

12°C

0 %

Additional weather tips

Max wind speed: 12.0 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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