4.4
(400)
1,785
riders
229
rides
Mountain biking around Cormeilles-En-Vexin offers diverse terrain within the Vexin Français Regional Natural Park. The region features a vast limestone plateau, interspersed with numerous valleys, providing varied challenges and scenic routes. Riders can explore wooded valleys, open cereal plains, and wetlands, creating a dynamic environment for mountain biking. This protected area is known for its preserved setting, with extensive woods, forests, and streams.
Last updated: July 5, 2026
4.0
(7)
31
riders
28.0km
02:27
420m
420m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.7
(9)
18
riders
38.6km
02:59
320m
320m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(2)
7
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(3)
5
riders
33.7km
02:01
350m
350m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3
riders
22.9km
01:52
250m
250m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Lost in the forest, this washhouse with pure, clear water is a dream come true!
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isolated from the road this route allows you to discover the French Vexin
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There are over 230 mountain bike trails around Cormeilles-En-Vexin, offering a wide range of options for different skill levels within the Vexin Français Regional Natural Park.
The Vexin Français region features a diverse landscape, including a vast limestone plateau interspersed with numerous valleys. You'll encounter wooded valleys, open cereal plains, and wetlands, providing a dynamic environment with varied challenges and scenic routes.
Yes, there are 71 easy mountain bike trails in the area. A good option for a more relaxed ride is the Saint-Rémi Church – Jean's wood. Mountain bike spot loop from Frémécourt, which is 17.8 km long and has an elevation gain of about 225 meters.
Many trails in the Vexin Français Regional Natural Park pass by remarkable rural heritage. For example, the Saint-Cyr Castle loop from Cormeilles-en-Vexin leads through wooded areas and past historical landmarks. You might also encounter washhouses, mills, and seigneurial farms along various routes.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 350 reviews. Riders often praise the varied terrain, the preserved natural setting with extensive woods and streams, and the well-maintained network of paths.
Yes, many trails are designed as loops. For instance, the popular Chaussée Jules César – Chaussée Jules César loop from Us is a 38.8 km moderate trail that explores the varied landscape, including parts of the historic Roman road.
Absolutely. The Vexin Français region is known for its dynamic environment. The GR along the Dampont woods – Chaussée Jules César loop from Cormeilles-en-Vexin is a great example, offering a mix of forest paths and open sections, showcasing the natural features of the park.
Yes, the region offers several points of interest. You might find yourself near the Viosne Springs Pond or the Château de Grouchy and its ponds. Other notable attractions include the Château de Théméricourt.
The Vexin Français Regional Natural Park is generally enjoyable for mountain biking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, while summer can be great for early morning or late afternoon rides. Always check local weather conditions before heading out.
While the majority of trails are easy to moderate, there are 12 difficult routes available for more experienced riders seeking a challenge. These trails often feature more significant elevation gains and technical sections.
Some routes in the broader Vexin area, such as those near Auvers-sur-Oise, are accessible by train (Transilien), offering convenient options for visitors without a car. It's advisable to check specific route starting points for public transport connections.
The Vexin Français Regional Natural Park is recognized for its rich biodiversity. While mountain biking, you might spot a variety of animals and numerous bird species, especially in the wooded areas and near wetlands, adding to the natural experience.


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