4.5
(17)
96
riders
18
rides
Gravel biking around Rosny-Sur-Seine offers diverse natural landscapes and recreational opportunities in the Yvelines department of Île-de-France. The region features a mix of paths, trails, and smaller roads, allowing exploration beyond paved surfaces. Riders can expect unpaved towpaths along the Seine River and various forest tracks, providing an escape from traffic. The area is characterized by the Rosny-sur-Seine Forest and its proximity to the Vexin Français Regional Natural Park.
Last updated: May 22, 2026
4.3
(4)
18
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
32.7km
02:12
230m
230m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
3
riders
17.4km
01:26
250m
250m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
3
riders
23.3km
01:57
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(7)
34
riders
44.0km
02:45
150m
150m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Rosny-Sur-Seine
Pretty quiet village on the Seine
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A lovely spot for a picnic. There's even a crêpe vendor. You can cross the Seine by ferry. Bicycles are welcome. Check in advance for opening and closing dates.
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In the Chênais Forest, near Vétheuil, don't miss this impressive old concrete dome. Built by the German army during World War II, it was used to conceal fighter planes from Allied aircraft. A place steeped in history, discreet but fascinating, nestled in the heart of nature.
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Plan to have good brakes for the descent!
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Great for learning https://www.newlifegp.org/ English—clear pronunciation and accurate subtitles.
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There are 13 traffic-free gravel bike trails available around Rosny-sur-Seine, offering a variety of experiences for different skill levels. These routes allow you to explore the natural beauty of the region away from vehicle traffic.
Yes, Rosny-sur-Seine offers 4 easy, traffic-free gravel routes perfect for beginners or family outings. These trails typically feature gentler terrain and shorter distances. For example, the route "View of Îlon Harbor – Banks of the Seine at Vétheuil loop from Follainville-Dennemont" offers a scenic, moderate ride that can be adapted for a leisurely pace.
The traffic-free gravel trails around Rosny-sur-Seine primarily take you through diverse natural landscapes. You can expect to ride along unpaved towpaths beside the Seine River, offering scenic views, and through the extensive Rosny-sur-Seine Forest. The region's proximity to the Vexin Français Regional Natural Park also means varied ecosystems and protected areas.
Many of the gravel routes around Rosny-sur-Seine are designed as loops, allowing you to start and end at the same point without retracing your steps. For instance, the "Beautiful view – Saint Sauveur descent loop from Mantes-la-Jolie" is a moderate circular route that offers great views.
While riding the traffic-free gravel trails, you can discover several notable attractions. The routes often pass near the Seine River, offering views of its banks. You might also be close to historical sites like the La Roche-Guyon Castle, nestled against chalk cliffs, or the Notre-Dame Church in Vétheuil. The Cliffs of La Roche-Guyon also provide a stunning natural backdrop.
The traffic-free gravel trails in Rosny-sur-Seine are highly regarded by the komoot community, with an average rating of 4.375 stars. Riders frequently praise the quiet, natural environment, the well-maintained paths, and the opportunity to explore the beautiful Seine valley and local forests away from traffic.
Rosny-sur-Seine has a train station, making it possible to access the area via public transport. Many routes, such as the "Ile aux Dames – View of Îlon Harbor loop from Mantes Station", can be started from nearby Mantes Station, which is well-connected. This allows for car-free access to the trails.
Yes, several routes provide excellent panoramic views of the surrounding landscape. The "Panoramic view – Panorama of Mantes-La-Jolie loop from Mantes-la-Jolie" is specifically named for its scenic vistas. Additionally, the region's natural features like the Guernes Loop and the Côteaux de la Seine Nature Reserve offer magnificent viewpoints.
The region around Rosny-sur-Seine is enjoyable for gravel biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful foliage, while summer provides longer daylight hours. Even winter can be suitable, especially on well-drained paths, though conditions may vary.
Rosny-sur-Seine's proximity to the Vexin Français Regional Natural Park means many gravel trails extend into or offer views of this protected area. While specific routes might not be entirely within the park, they often connect to its diverse landscapes, providing a broader exploration of the region's natural beauty.
The longest traffic-free gravel trail listed is the "View of Îlon Harbor – Banks of the Seine at Vétheuil loop from Follainville-Dennemont", which spans approximately 42.6 kilometers (26.5 miles). This route offers a substantial ride for those looking for a longer adventure.


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