4.3
(152)
2,330
riders
37
rides
No traffic road cycling routes around Rosny-Sur-Seine are characterized by the meandering Seine River and its surrounding hillsides, offering diverse terrain for exploration. The region features forested plateaus, such as the Rosny Forest, and limestone cliffs, providing varied elevations and scenic viewpoints. Cyclists can expect routes that traverse both river valleys and elevated areas, including parts of the Vexin Français Regional Natural Park. This landscape composition makes Rosny-Sur-Seine suitable for road cycling, with options ranging from flat river paths to more challenging climbs.
Last updated: May 5, 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.
10
riders
43.2km
02:05
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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3.0
(1)
7
riders
55.3km
02:51
690m
690m
Moderate road ride. Good fitness required. 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.
3.0
(1)
5
riders
42.8km
01:57
410m
410m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Popular around Rosny-Sur-Seine
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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A road that climbs the hillsides overlooking the Vesgre valley. Quite pleasant with its edges left fallow to encourage biodiversity.
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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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There are over 35 no-traffic road cycling routes around Rosny-sur-Seine, offering a variety of distances and elevations. This includes 14 easy routes, 22 moderate routes, and 3 more challenging options.
The region around Rosny-sur-Seine offers diverse terrain. While many routes follow the flat, scenic banks of the Seine River, providing consistent views, you can also find routes with varying elevations in the surrounding hillsides and forests. For example, the Rosay Castle – Top of a 15% slope loop from Rosny-sur-Seine features significant climbs with over 770 meters of elevation gain.
Yes, Rosny-sur-Seine offers several family-friendly options, particularly along the Seine River. These routes often follow flat, signposted paths, such as sections of the 'Seine à Vélo' cycle route. An easy option is the Promenade des Roches Blanches loop from Bonnières, which is just over 22 km with minimal elevation gain.
Many routes offer views of historical and natural attractions. You can cycle past the impressive La Roche-Guyon Castle, which leans against chalk cliffs, or enjoy the scenic Cliffs of La Roche-Guyon. A short detour can also lead you to the famous Claude Monet Gardens and Foundation in Giverny, including Monet's Water Garden.
The spring and summer months are ideal for road cycling in Rosny-sur-Seine, offering pleasant weather to enjoy the scenic landscapes and river views. Autumn also provides beautiful foliage, though some paths might be wetter. The region's natural beauty, including the Rosny Forest and the Seine Valley, is particularly vibrant during these seasons.
Yes, many of the routes around Rosny-sur-Seine are designed as loops, allowing you to start and finish at the same point. Examples include the Porte de Bretagne – Château de Tilly loop from Le Tertre-Saint-Denis, a moderate 43 km ride, or the longer Behoust Castle – Château de Tilly loop from Bréval, which covers over 130 km.
The area is highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the picturesque landscapes, the quiet roads, and the combination of river views with charming villages and historical sites like La Roche-Guyon Castle.
For experienced cyclists seeking a challenge, routes like the Behoust Castle – Château de Tilly loop from Bréval offer a difficult, long-distance ride of over 130 km with significant elevation changes. Another moderate option is the Avre Aqueduct – Anet Castle loop from Bréval, spanning over 90 km.
Yes, the villages and towns along the Seine, such as La Roche-Guyon and Giverny, offer various cafes, restaurants, and accommodation options. These spots are perfect for a break or an overnight stay, allowing you to refuel and relax during or after your ride.
Rosny-sur-Seine is accessible by public transport, and many regional trains in France allow bikes, often with specific conditions or dedicated spaces. It's advisable to check the specific train operator's policy regarding bike transport before your journey to ensure a smooth trip to the starting points of the routes.
Generally, no specific permits are required for cycling on designated paths within the Rosny Forest or the Vexin Français Regional Natural Park. However, it's always good practice to stay on marked trails and respect any local signage regarding protected areas or specific regulations.


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