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Road cycling routes
France
Ile-de-France
Mantes-La-Jolie

Rosny-Sur-Seine

The best traffic-free bike rides around Rosny-Sur-Seine

4.3

(129)

1,902

riders

40

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…

Last updated: May 22, 2026

4.7

(3)

30

riders

#1.

Promenade des Roches Blanches loop from Rosny-sur-Seine

35.0km

01:29

190m

190m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard
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Popular around Rosny-Sur-Seine

Traffic-free bike rides around Rosny-Sur-Seine

Traffic-free bike rides around Rosny-Sur-Seine

Tips from the Community

Gerard
August 19, 2025, Domaine de Villarceaux

Lots of beautiful things to see in this part of Vexin

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clec
April 2, 2025, Château de Tilly

Beautiful castle (private).

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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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Frequently Asked Questions

How many no-traffic road cycling routes are available around Rosny-sur-Seine?

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.

What kind of terrain and elevation can I expect on these routes?

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.

Are there any family-friendly no-traffic road cycling routes?

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.

What are some notable landmarks or attractions I can see along the no-traffic road cycling routes?

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.

What is the best time of year to enjoy no-traffic road cycling in Rosny-sur-Seine?

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.

Are there any circular no-traffic road cycling routes?

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.

What do other road cyclists enjoy most about cycling in Rosny-sur-Seine?

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.

Are there options for longer, more challenging no-traffic road cycling routes?

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.

Can I find cafes or accommodation near the no-traffic road cycling routes?

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.

Is public transport available to reach the cycling routes, and can I bring my bike?

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.

Are there any specific permits required for cycling in the Rosny Forest or Vexin Français Regional Natural Park?

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.

Most popular routes around Rosny-Sur-Seine

Traffic-free bike rides around Rosny-Sur-Seine

Most popular attractions around Rosny-Sur-Seine

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