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France

Ile-de-France

Mantes-La-Jolie

Le Tertre-Saint-Denis

Rosny Forest – Belvédère de Rolleboise loop from Le Tertre-Saint-Denis

Routes

Mountain biking trails

France

Ile-de-France

Mantes-La-Jolie

Le Tertre-Saint-Denis

Rosny Forest – Belvédère de Rolleboise loop from Le Tertre-Saint-Denis

Moderate

riders

Rosny Forest – Belvédère de Rolleboise loop from Le Tertre-Saint-Denis

03:21

41.5km

400m

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: June 22, 2026

Waypoints

Start point

Bus stop

Get Directions

6.72 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

11.9 km

Forêt de Rosny

Forest

13.8 km

Tilery

Highlight • Other

30.1 km

Belvédère de Rolleboise

Highlight • Viewpoint

the belvedere, then this one you have to gain if you come from the bottom of Rolleboise, it goes up a bit, it is a vestige of the Universal Exhibition …

Translated by Google •

Tip by

34.3 km

Hike in Rosny

Highlight • Trail

41.5 km

End point

Bus stop

Way Types & Surfaces

Way Types

27.8 km

7.35 km

3.35 km

2.94 km

Surfaces

28.7 km

8.63 km

2.12 km

1.37 km

368 m

301 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Sunday 28 June

26°C

13°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Rosny Forest – Belvédère de Rolleboise loop from Le Tertre-Saint-Denis

Rosny Forest

Tilery

Belvédère de Rolleboise

Hike in Rosny

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