4.3
(129)
1,902
riders
33
rides
Road cycling routes around Rosny-Sur-Seine are characterized by the scenic Seine River valley, offering generally gentle gradients along its banks. The region features varied landscapes, including the expansive Forêt Régionale de Rosny and the notable limestone cliffs of La Roche-Guyon. Cyclists can expect a mix of tranquil towpaths, minor roads, and dedicated cycleways. The terrain is largely accessible, with minimal significant climbs as routes often follow the river's course.
Last updated: May 18, 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.
4.3
(4)
26
riders
43.3km
01:48
240m
240m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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16
riders
60.9km
02:46
430m
430m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
5.0
(1)
20
riders
92.1km
04:08
690m
690m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
8
riders
87.3km
03:58
680m
680m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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Pretty quiet village on the Seine
1
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We can only recommend this
0
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Maybe the oldest medieval small castle still in an almost original state
0
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Beautiful castle with a beautiful forest nearby 😉
0
0
Beautiful castle on the banks of the Seine
0
0
very nice walk, little elevation but traffic on weekends
0
0
The terrain around Rosny-sur-Seine is largely defined by the scenic Seine River valley, offering generally gentle gradients along its banks. You'll find a mix of tranquil towpaths, minor roads, and dedicated cycleways. While routes often follow the river's course with minimal significant climbs, the region also features varied landscapes, including the expansive Forêt Régionale de Rosny and the notable limestone cliffs of La Roche-Guyon, which can introduce some moderate elevation changes.
Yes, the Rosny-sur-Seine area offers a comprehensive network for road cyclists. There are over 40 road cycling routes available, catering to various preferences and abilities. The komoot community has explored these routes extensively, with over 200 road cyclists using komoot to discover the region's varied terrain.
The region is rich in both natural beauty and historical sites. You can cycle past the stunning Cliffs of La Roche-Guyon, which are integrated with the medieval La Roche-Guyon Castle. A popular route, the La Roche-Guyon Castle – Giverny loop from Rosny-sur-Seine, also takes you near the famous Claude Monet Gardens and Foundation and Monet's Water Garden in Giverny. The Forêt Régionale de Rosny also offers magnificent viewpoints overlooking the majestic loops of the Seine.
Rosny-sur-Seine is an excellent destination for outdoor activities, including road cycling, for much of the year. The generally 'breezy' cycling experience along the Seine makes it pleasant in spring, summer, and early autumn. These seasons offer the best weather to enjoy the scenic river views, the Forêt Régionale de Rosny, and attractions like Monet's Gardens. Always check local weather forecasts before heading out.
Yes, the region offers accessible cycling experiences suitable for families. The Seine à Vélo route, which Rosny-sur-Seine is prominently featured on, is designed to be largely accessible, utilizing minor roads, dedicated cycleways, and paths shared with pedestrians. This makes it ideal for shorter, family-friendly excursions along the Seine's banks. The tranquil towpaths also provide a safe and scenic environment for family rides.
While many cycling paths in France are generally open to dogs on a leash, especially on shared paths and minor roads, it's always best to check specific regulations for dedicated cycleways or nature reserves like the Forêt Régionale de Rosny (a Natura 2000 site). When cycling on roads, ensure your dog is safely secured and accustomed to traffic. For specific routes, look for information regarding pet policies.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 5 reviews. Cyclists often praise the varied scenery, which includes picturesque river views, the tranquility of the Forêt Régionale de Rosny, and the charm of historic towns. The accessibility of routes, especially those following the Seine, is also frequently highlighted.
Absolutely. Rosny-sur-Seine is a key point on La Seine à Vélo (The Seine by Bike), a major cycle route spanning over 420 to 500 kilometers. This route connects Paris to the Normandy coast at Le Havre or Deauville, offering multi-day touring adventures. The region's cycling infrastructure also connects to other prominent routes, such as the Avenue Verte London - Paris.
The towns and villages along the Seine, including Rosny-sur-Seine itself, Mantes-la-Jolie, and Vernon, offer various amenities. You'll find cafes, restaurants, and accommodation options suitable for cyclists. The Léry-Poses leisure park, which the Seine à Vélo route traverses, also provides recreational activities and accommodation options, making it a convenient stop for longer tours.
Yes, many routes in the area are designed as loops, allowing you to start and finish in Rosny-sur-Seine. For example, the Giverny – Tourelles Castle loop from Rosny-sur-Seine offers varied scenery over 54.7 miles. Another option is the shorter Promenade des Roches Blanches loop from Rosny-sur-Seine, which is 17.2 miles long and leads through the Roches Blanches area.
The routes around Rosny-sur-Seine cater to various ability levels. While many routes along the Seine are generally 'breezy' with minimal significant climbs, there are options for easy, moderate, and difficult rides. For instance, the Promenade des Roches Blanches loop from Rosny-sur-Seine is considered easy, while routes like the Neuville Castle – Château de Tilly loop from Rosny-sur-Seine, with its 657m elevation gain, offer a more moderate challenge.
Rosny-sur-Seine is well-connected, and its strategic location makes it accessible. While specific public transport options for carrying bikes can vary, regional trains often allow bicycles outside of peak hours. It's advisable to check the local train and bus schedules and their bike policies in advance to plan your journey to the starting points of the routes.


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