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France
Ile-de-France
Mantes-La-Jolie

Forêt De Rosny

The best city hikes and walks in Forêt De Rosny

4.6

(562)

3,087

hikers

4

hikes

Urban hiking trails in Forêt De Rosny traverse a diverse landscape characterized by extensive wooded areas, calcicole grasslands, and rolling woodlands. Situated on the Chevry plateau, the forest offers varied terrain, including a hilly course and viewpoints over the Seine river. This 1,751-hectare forest is home to numerous tree species such as oaks, beeches, and pines, providing a rich natural environment for exploration. The region's varied topography offers both pleasant forest paths and routes with significant elevation changes.

Best urban…

Last updated: May 9, 2026

5.0

(19)

2

hikers

#1.

Red Squirrel – Saint-Maclou Tower loop from Mantes-la-Ville

10.6km

02:45

70m

70m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Tips from the Community

Arbrevert
June 24, 2025, Collégiale Notre-Dame de Mantes-la-Jolie

Stunning

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nice

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Very violent regarding car traffic... There's still work to be done to improve that.

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Very quiet footbridge over the Seine

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Very beautiful monument this Gothic Collegiate Church of Notre-Dame de Mantes-la-Jolie

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The Collegiate Church of Notre-Dame de Mantes-la-Jolie is a former collegiate church from the 12th and 13th centuries located in Mantes-la-Jolie (Yvelines, France) on the banks of the Seine. It was classified as a Historic Monument in 1840. This church is reminiscent of Notre-Dame Cathedral in Paris in style and in its elevation on three levels.

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A Bridge With strange colossi...!

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Several dozen kilometers from the center of Paris, the Notre-Dame de Mantes-la-Jolie collegiate church does not only have its name in common with the emblematic Parisian cathedral. Its facade, its style and its structure on three levels are very reminiscent of its big sister in the Ile-de-France region.

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Frequently Asked Questions

How many urban hiking trails are available in Forêt De Rosny?

There are several urban hiking trails in Forêt De Rosny, with komoot offering 5 curated routes. These range from easy strolls to more moderate hikes, allowing you to explore the diverse landscapes of the forest and its surroundings.

What kind of terrain can I expect on urban hikes in Forêt De Rosny?

Urban hikes in Forêt De Rosny offer a mix of terrain. You'll find pleasant forest paths through extensive wooded areas, but also routes with significant elevation changes, especially on the Chevry plateau, providing beautiful views over the Seine river loops. The forest's diverse ecosystem includes calcicole grasslands and agricultural lands alongside woodlands.

Are there any family-friendly urban hiking options in Forêt De Rosny?

Yes, there are family-friendly options. For a relatively easy and accessible walk, consider the Lake Gassicourt loop from Mantes-la-Jolie. This 6.6 km route is rated easy and offers a pleasant experience for all ages.

What are some notable landmarks or viewpoints I can discover on these urban trails?

Forêt De Rosny's urban trails lead to several interesting points. You can visit the ancient Chêne Mademoiselle, an oak tree dating back to the 16th century, or enjoy panoramic vistas from the Belvédère de Châtillon, which features a kiosk from the 1900 Universal Exhibition. Some routes also pass by the vestiges of the Château des Beurons.

Are there any circular urban hiking routes in Forêt De Rosny?

Yes, all the urban hiking routes listed in this guide are circular, making them convenient for starting and ending at the same point. Examples include the Saint-Maclou Tower loop from Buchelay and the Red Squirrel – Saint-Maclou Tower loop from Mantes-la-Ville.

What do other hikers enjoy most about urban hiking in Forêt De Rosny?

The komoot community highly rates the trails in Forêt De Rosny, with an average score of 4.6 stars from over 500 ratings. Hikers often praise the diverse landscapes, the well-maintained paths, and the opportunity to combine nature exploration with historical and scenic viewpoints.

What is the best time of year to go urban hiking in Forêt De Rosny?

Forêt De Rosny is beautiful year-round. Spring brings vibrant flora, including rare orchids, while autumn offers stunning foliage. Summer is ideal for long walks, and even winter can be charming, though some paths might be muddy. Always check local weather conditions before heading out.

Can I reach the urban hiking trails in Forêt De Rosny using public transport?

Forêt De Rosny is located in the northwest of Île-de-France, near Paris. While specific public transport connections to trailheads vary, towns like Mantes-la-Jolie and Mantes-la-Ville, which serve as starting points for several routes, are generally accessible by regional public transport, making it possible to reach the forest without a car.

What kind of wildlife can I expect to see while urban hiking in Forêt De Rosny?

Forêt De Rosny is a Natura 2000 site, rich in wildlife. Keep an eye out for wild boars, deer, rabbits, hares, foxes, and squirrels. The forest is also home to 63 identified bird species, including raptors like buzzards. Near ponds, you might spot amphibians and various dragonfly species.

Are there any longer urban hiking routes for experienced hikers?

Yes, for those looking for a longer challenge, the Saint-Maclou Tower loop from Buchelay is a moderate 14 km route. Another option is the Saint-Maclou Tower loop from Mantes-la-Jolie, which covers nearly 12 km, offering a good workout with varied scenery.

What makes Forêt De Rosny a unique place for urban hiking?

Forêt De Rosny stands out due to its classification as a Natura 2000 site, preserving its rich biodiversity. It offers a unique blend of extensive woodlands, calcicole grasslands, and historical points of interest like the Chêne Mademoiselle and Château des Beurons, all within proximity to urban centers, providing a refreshing escape into nature.

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