4.3
(156)
2,092
riders
40
rides
Road cycling in Forêt De Rosny offers varied terrain across its 1,751 hectares, characterized by hilly woodlands and open agricultural lands on the Chevry plateau. The region provides diverse no traffic road cycling routes, combining forest paths with scenic views over the Seine valley. Cyclists can navigate routes that feature gentle gradients and more challenging climbs, with elevations contributing to the varied landscape. The forest is predominantly composed of oaks, beeches, and pines, providing a natural setting for rides.
Last updated: May 25, 2026
4.7
(3)
30
riders
35.0km
01:29
190m
190m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
6
riders
99.6km
04:28
900m
900m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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2
riders
23.5km
01:13
190m
190m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
10
riders
43.2km
02:05
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
9
riders
31.9km
01:29
240m
240m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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Popular around Forêt De Rosny
Lots of beautiful things to see in this part of Vexin
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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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Magnificent place full of history, many paths in the surrounding area
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Nothing to add to the description from Wikipedia, except that it is a peaceful place that charms with its elegance.
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Villarceaux constitutes a unique ensemble: its 70 hectare park and its two castles (16th century manor and 18th century castle). The estate has existed since the 11th century.
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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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Forêt De Rosny offers nearly 40 dedicated no traffic road cycling routes. These routes range from easy, leisurely rides to more challenging excursions, providing a variety of options for all skill levels.
The terrain in Forêt De Rosny is quite varied, featuring hilly sections and picturesque views of the Seine valley. You can expect a mix of forest paths and surrounding agricultural lands, offering both scenic beauty and engaging challenges for road cyclists.
Yes, there are 14 easy routes perfect for beginners or those seeking a relaxed ride. An example is the Promenade des Roches Blanches loop from Bonnières, which covers about 22.6 km with minimal elevation gain.
Forêt De Rosny offers magnificent viewpoints over the majestic loops of the Seine River, specifically the Guernes and Moisson loops. You might also encounter historical attractions like the Kiosque de Rosny or the remains of the Château des Beurons. Don't miss the ancient "Chêne Mademoiselle," a remarkable 16th-century oak tree.
Absolutely. For experienced cyclists, routes like the Ile aux Dames – Villarceaux Estate loop from Rosny-sur-Seine offer a significant challenge, spanning nearly 100 km with over 900 meters of elevation gain. Another demanding option is the Behoust Castle – Château de Tilly loop from Bréval, which is over 130 km long.
Many of the no traffic road cycling routes in Forêt De Rosny are designed as loops, allowing you to start and finish at the same point. For instance, the Neauphlette Church loop from Favrieux is an easy circular option, while the Rosay Castle – Top of a 15% slope loop from Rosny-sur-Seine provides a moderate circular challenge.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 130 ratings. Reviewers often praise the peaceful, car-free environment, the varied terrain, and the beautiful natural scenery, especially the viewpoints over the Seine.
Yes, with 14 easy routes, Forêt De Rosny offers several options that are suitable for families. These routes typically feature gentler gradients and shorter distances, providing a safe and enjoyable experience away from traffic.
Forêt De Rosny is enjoyable for road cycling throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful foliage. Summer can be great, especially in the shaded forest sections, while winter rides are possible on clear days, though some paths might be damp.
As Forêt De Rosny is located in the Yvelines department, close to Paris, there are public transport options available to reach the general area. It's advisable to check local train (e.g., Transilien) or bus schedules for routes that accommodate bicycles, especially during off-peak hours, to get close to your desired starting point.
Parking is generally available at various entry points and villages surrounding Forêt De Rosny. Look for designated parking areas near trailheads or in nearby towns like Rosny-sur-Seine or Bonnières. Always ensure you park responsibly and check for any local parking regulations.


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