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MTB trails
France
Ile-de-France
Mantes-La-Jolie

Forêt De Rosny

The best MTB trails in Forêt De Rosny

4.3

(278)

1,421

riders

168

rides

Mountain biking in Forêt De Rosny offers a diverse landscape characterized by dense woodlands, river valleys, and elevated viewpoints. The region, situated near Mantes-La-Jolie, features a network of trails that traverse varied terrain, including historical sites and scenic ridges. Riders can expect a mix of forest paths and open sections, with some routes providing significant elevation changes. The area's geology contributes to a varied riding experience, from rolling forest trails to more challenging climbs.

Best mountain bike trails in Forêt…

Last updated: May 8, 2026

3.5

(2)

24

riders

#1.

Beautiful path – Old Mill of Vernon loop from Bonnières

53.0km

04:32

810m

810m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

5.0

(3)

12

riders

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Forêt De Rosny

Cycling in Forêt De Rosny

Hiking in Forêt De Rosny

Road Cycling Routes in Forêt De Rosny

Running Trails in Forêt De Rosny

Gravel biking in Forêt De Rosny

Tips from the Community

Rainer Koenemann
May 9, 2026, Le jardin d'eau de Monet

We can only recommend this

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Maybe the oldest medieval small castle still in an almost original state

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Enzo
April 20, 2026, Old Mill of Vernon

Superb and very confortable to get to, free parking close by.

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superb view, magnificent

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nice little landscape

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Beautiful castle on the banks of the Seine

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Plan to have good brakes for the descent!

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pleasant, relatively smooth gravel path

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Frequently Asked Questions

How many mountain bike trails are available in Forêt De Rosny?

Forêt De Rosny offers a wide selection of mountain bike trails, with over 150 routes available. These range from easy forest paths to more challenging routes with significant climbs.

Are there mountain bike trails suitable for beginners in Forêt De Rosny?

Yes, Forêt De Rosny has approximately 50 easy mountain bike trails, perfect for beginners or those looking for a more relaxed ride. These routes typically feature less elevation gain and smoother terrain.

What kind of terrain can I expect on mountain bike trails in Forêt De Rosny?

The terrain in Forêt De Rosny is diverse, characterized by dense woodlands, river valleys, and elevated viewpoints. You'll encounter a mix of forest paths, open sections, and some routes with notable elevation changes, offering a varied riding experience.

Are there any challenging mountain bike trails for advanced riders?

For advanced riders seeking a challenge, Forêt De Rosny offers 6 difficult mountain bike trails. These routes typically feature more significant elevation changes and technical sections, providing a demanding ride.

Are there circular mountain bike routes in Forêt De Rosny?

Many of the mountain bike routes in Forêt De Rosny are circular, allowing you to start and finish at the same point. An example is the Wash-house and manor house – Belvédère de Rolleboise loop from Rosny-sur-Seine, a moderate 46 km route.

What are some scenic viewpoints accessible by mountain bike in Forêt De Rosny?

Forêt De Rosny features several elevated viewpoints offering panoramic vistas. The Cliffs of La Roche-Guyon – View of the route des crêtes loop from Bonnières is a great option, leading through forests and along ridges with expansive views.

What do other mountain bikers enjoy most about riding in Forêt De Rosny?

The komoot community highly rates mountain biking in Forêt De Rosny, with an average score of 4.4 stars from over 200 reviews. Riders often praise the diverse landscape, the mix of forest and open sections, and the historical landmarks found along the trails.

Are there any historical landmarks or attractions along the mountain bike routes?

Yes, the region is rich in historical sites. Routes like the Belvédère de Rolleboise – Wash-house and manor house loop from Boissy-Mauvoisin lead through varied forest terrain with historical landmarks and elevated views, including wash-houses and manor houses.

What is the typical duration for a moderate mountain bike ride in Forêt De Rosny?

Moderate mountain bike rides in Forêt De Rosny can vary in duration depending on the route length and your pace. For example, the Belvédère de Rolleboise – Wash-house and manor house loop from Boissy-Mauvoisin, which is 29.7 km, typically takes around 2 hours 49 minutes to complete.

Are there longer mountain bike routes for extended rides?

Yes, Forêt De Rosny offers longer routes for those seeking extended rides. The Beautiful path – Old Mill of Vernon loop from Bonnières is a moderate 52.6 km path that offers a mix of riverside and forest trails, suitable for longer excursions.

What is the best time of year to go mountain biking in Forêt De Rosny?

While mountain biking is enjoyable year-round, spring and autumn generally offer the most pleasant conditions in Forêt De Rosny. The weather is milder, and the forest scenery is particularly beautiful with changing foliage or blooming flora. Summer can be warm, and winter may bring muddy or icy conditions.

Where can I find parking for mountain biking in Forêt De Rosny?

Parking is generally available near the trailheads and villages surrounding Forêt De Rosny, such as Boissy-Mauvoisin or Bonnières-sur-Seine. It's advisable to check specific route starting points on komoot for detailed parking information.

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