4.6
(639)
3,370
hikers
131
hikes
Family friendly hiking trails in Forêt De Rosny are found within a regional forest spanning 1,751 hectares, characterized by diverse landscapes. The terrain includes extensive wooded areas, limestone grasslands, and rolling woodlands, offering varied scenery for hikers. Located on a plateau in the north-west of Île-de-France, the forest provides numerous viewpoints over the surrounding areas and the loops of the Seine. Varied elevations, with ascents and descents, contribute to a dynamic hiking experience.
Last updated: July 6, 2026
5.0
(3)
21
hikers
13.7km
03:43
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
19
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(2)
8
hikers
19.3km
05:16
300m
300m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4
hikers
8.20km
02:10
80m
80m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5
hikers
6.63km
01:44
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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.
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Magnificent washhouse in a superb location.
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A beautiful wash house in front of a very beautiful house.
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Forêt De Rosny offers a wide selection of family-friendly trails. There are over 35 easy routes specifically designed for families, with many more moderate options that can be suitable depending on your family's experience level.
The forest boasts diverse landscapes, perfect for keeping kids engaged. You'll find extensive wooded areas, unique limestone grasslands, and rolling woodlands. Many trails also offer stunning viewpoints over the surrounding areas and the majestic loops of the Seine.
Yes, there are several easy routes that are great for families. For a manageable walk, consider the Walk Near the Gas Wells – Ferme des Huit Routes loop from Boissy-Mauvoisin, which is just over 6 km. While some paths are generally well-maintained, it's always best to check specific route details for stroller accessibility as terrain can vary.
Forêt De Rosny is rich in both natural beauty and history. You can visit the ancient Chêne Mademoiselle, a remarkable oak tree rumored to be from the 16th century. Some trails also pass by the ruins of the Château des Beurons, built around 1615, offering a glimpse into the past. Don't miss the Belvédère de Châtillon for picturesque views.
Absolutely! Forêt De Rosny is a Natura 2000 site, home to diverse wildlife. Keep an eye out for wild boars, roe deer, rabbits, and squirrels. Birdwatchers might spot buzzards or tawny owls, and near ponds, you could see newts, frogs, and various dragonflies.
Many of the trails in Forêt De Rosny are circular, making them convenient for families. For example, the Rosny Forest – Forest Path loop from Boissy-Mauvoisin is an easy circular route that brings you back to your starting point.
Parking is generally available at common trailheads and village access points around the forest, such as near Boissy-Mauvoisin or Lommoye. Specific parking details are often provided within individual komoot route descriptions, so it's advisable to check your chosen route for the most precise information.
Forêt De Rosny is beautiful year-round, but spring and autumn are particularly pleasant for family hikes. In spring, you'll see wildflowers and fresh greenery, while autumn offers stunning foliage. Summer can be warm, so early mornings or late afternoons are best, and winter walks can be magical, especially after a light snowfall.
The komoot community highly rates the trails in Forêt De Rosny, with an average score of 4.6 stars. Reviewers often praise the well-marked paths, the tranquility of the woodlands, and the beautiful viewpoints. Many highlight the diverse scenery and the suitability of routes for all ages.
Yes, the forest's plateaus are known for excellent panoramic views. The Belvédère de Châtillon is a key highlight, offering picturesque vistas that are easily accessible. Many routes traversing the higher sections of the forest will also provide expansive outlooks over the surrounding countryside and the Seine valley.
While the forest itself is primarily natural, there are often picnic spots within the wooded areas. For cafes or restaurants, you would typically find options in the nearby villages surrounding Forêt De Rosny, such as Boissy-Mauvoisin or Lommoye, which are convenient stops before or after your hike.


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