4.5
(245)
1,187
riders
104
rides
Mountain biking around Fontenay-Mauvoisin offers a diverse landscape characterized by river valleys, historic sites, and elevated viewpoints. The region features a mix of moderate climbs and scenic paths, often following the course of the Seine river. Riders can expect routes that traverse open countryside, pass through small villages, and offer glimpses of local heritage. The terrain is generally accessible, providing a good balance for various mountain biking experiences.
Last updated: November 5, 2026
4.7
(20)
49
riders
44.3km
02:56
140m
140m
Moderate mountain bike ride. Good fitness required.
4.5
(4)
39
riders
56.2km
04:27
650m
650m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

5.0
(17)
44
riders
Moderate mountain bike ride. Good fitness required.
4.3
(3)
16
riders
Moderate mountain bike ride. Good fitness required.
4.5
(6)
23
riders
19.3km
01:19
70m
70m
Easy mountain bike ride.
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This bridge is now rebuilt and passable. ☺
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picturesque village with many interesting stories told on a tourist sign
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A pleasant surprise, this passage on this old stone bridge
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Very quiet footbridge over the Seine
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Below, sporty mountain bike descent and arrival at a small river with a Roman stone bridge to cross
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At a time when bridges are legion to cross waterways, this ferry that connects Vétheuil and Lavacourt reminds us of another time. You will find more information on how to use it here: https://mairie-vetheuil.fr/tourisme-et-loisirs/vacances-vetheuil/le-bac-saisonnier.
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La Roche-Guyon is a charming village and historic site located in Île-de-France, in the Val-d'Oise department. It is particularly known for its impressive medieval castle and its picturesque setting along the Seine. Why visit La Roche-Guyon? Historical Heritage: A visit to the castle allows you to discover an exceptional example of medieval architecture and understand its strategic importance throughout the centuries. Natural Setting: The site offers magnificent landscapes along the Seine, perfect for walks and photographs. Culture and Events: Cultural events and exhibitions enrich the experience of the visit and allow you to discover the local culture. In short, La Roche-Guyon is a must-see destination for those who wish to explore a rich historical heritage, enjoy splendid natural landscapes, and discover the regional culture.
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There are nearly 100 mountain bike trails around Fontenay-Mauvoisin. This includes a good mix of difficulties, with over 30 easy routes and more than 60 moderate options, ensuring there's something for most riders.
Yes, Fontenay-Mauvoisin offers over 30 easy mountain bike trails that are well-suited for beginners or those looking for a relaxed ride. These routes typically feature gentler terrain and less demanding climbs.
The terrain around Fontenay-Mauvoisin is diverse, characterized by river valleys, historic sites, and elevated viewpoints. You'll find a mix of moderate climbs and scenic paths, often following the course of the Seine river. Routes traverse open countryside, pass through small villages, and offer glimpses of local heritage.
Many of the mountain bike routes in Fontenay-Mauvoisin are designed as loops, allowing you to start and finish at the same point. For example, the View of Îlon Harbor – The ferry from Vétheuil to Lavacourt loop from Mantes Station is a popular circular option.
Many routes in the area start from convenient locations such as Mantes Station, Boissy-Mauvoisin, or Rosny-sur-Seine, which typically offer parking facilities. You can check the starting points of individual tours like the Belvédère de Rolleboise – Wash-house and manor house loop from Boissy-Mauvoisin for specific trailhead information.
Spring and autumn generally offer the most pleasant conditions for mountain biking in Fontenay-Mauvoisin, with mild temperatures and beautiful scenery. Summer can also be enjoyable, especially on shaded trails, but be mindful of warmer temperatures. Winter riding is possible, though some trails might be muddy or require more robust gear.
Yes, the region is known for its elevated viewpoints. Routes often provide scenic vistas over the river valleys and surrounding countryside. The Belvédère de Rolleboise – Wash-house and manor house loop from Boissy-Mauvoisin, for instance, includes a section near the Belvédère de Rolleboise, offering panoramic views.
The trails around Fontenay-Mauvoisin often pass by historical and natural points of interest. You might encounter landmarks such as the Donjon and Fortified Site of Montchauvet, the impressive Collegiate Church of Notre-Dame de Mantes-la-Jolie, or the historic Château de Tilly. The Old Limay Bridge – Château de Jambville loop from Mantes Station is a good example of a route that passes by historic landmarks.
The mountain bike trails in Fontenay-Mauvoisin are highly rated by the komoot community, with an average score of 4.5 stars from over 180 reviews. Riders often praise the diverse landscape, the balance of moderate climbs, and the scenic paths that follow the Seine river, making for enjoyable and accessible rides.
While the majority of routes are easy to moderate, there is at least one difficult mountain bike trail available for experienced riders seeking a greater challenge. These routes typically feature steeper climbs, more technical descents, or longer distances.
Yes, with over 30 easy trails, Fontenay-Mauvoisin is a great place for family-friendly mountain biking. These routes are generally less strenuous, making them suitable for riders of varying ages and skill levels. Look for trails with minimal elevation gain and smooth surfaces.
Mountain biking in winter is possible, but conditions can vary. Some trails may become muddy or slippery, especially after rain or snow. It's advisable to check local weather conditions and trail reports before heading out and to be prepared with appropriate gear for colder, potentially wet conditions.


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