4.4
(200)
849
riders
110
rides
Mountain biking around Saint-Cyr-En-Arthies offers a network of trails through the Vexin Valley, characterized by rolling hills, agricultural landscapes, and sections along waterways. The terrain includes varied elevation changes, from gentle slopes to more challenging climbs, suitable for different skill levels. The region features a mix of open views and forested paths, providing diverse riding environments.
Last updated: May 8, 2026
4.5
(28)
61
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3
riders
60.1km
05:03
870m
870m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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4.0
(2)
2
riders
26.1km
02:04
260m
260m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
3
riders
25.0km
02:08
340m
340m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
3
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Is it allowed to cross? Not sure... I did, I was looked at and greeted. But not blocked. However, it's not easy to get out on the other side, the exit is closed. It's possible to go through a small door.
0
0
Small, pleasant and quiet passage
1
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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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There are over 100 mountain bike trails available around Saint-Cyr-En-Arthies, offering a wide range of options for different skill levels and preferences.
The trails in Saint-Cyr-En-Arthies cater to various skill levels. You'll find approximately 28 easy routes, 66 moderate routes, and 9 difficult routes, ensuring there's something for everyone from beginners to advanced riders.
Yes, Saint-Cyr-En-Arthies offers a good selection of easy mountain bike trails, with around 28 routes designed for less experienced riders or those looking for a relaxed ride. These trails typically feature gentler slopes and less technical terrain.
Absolutely. For advanced riders seeking a challenge, there are 9 difficult mountain bike trails around Saint-Cyr-En-Arthies. An example is View of the route des crêtes – Le Moulin de Fourges loop from Vétheuil, which is 37.3 miles (60.1 km) long and features extensive ridge views and significant elevation gain.
While specific 'family-friendly' designations aren't always explicit, many of the easy and moderate trails around Saint-Cyr-En-Arthies are suitable for families, especially those with some biking experience. Look for routes with lower elevation changes and shorter distances for a more comfortable family outing.
Mountain biking in this region offers diverse scenery, including rolling hills, agricultural landscapes, and sections along waterways in the Vexin Valley. You'll experience a mix of open views and forested paths, providing varied riding environments.
Many trails offer scenic views. For example, The ferry from Vétheuil to Lavacourt – View of Îlon Harbor loop from Vétheuil provides views of Îlon Harbor. You can also pass by landmarks like La Roche-Guyon Castle or the Cliffs of La Roche-Guyon on various routes.
Yes, many of the mountain bike trails in Saint-Cyr-En-Arthies are designed as circular routes, allowing you to start and finish at the same point. An example is the View of Îlon Harbor loop from Fontenay-Saint-Père, which covers 16.2 miles (26.1 km).
While specific parking areas are not always listed for every trail, you can generally find parking in the villages near trailheads, such as Vétheuil or Fontenay-Saint-Père. Always check local signage for parking regulations.
The area is highly rated by the komoot community, with an average score of 4.5 stars from over 170 reviews. Reviewers often praise the diverse terrain, the mix of open views and forested paths, and the options available for all skill levels.
While specific pubs are not integrated into the trail data, many routes pass through or near charming villages in the Vexin Valley. You can often find local establishments for refreshments in places like Vétheuil or other small towns along the Seine River.
The Vexin Valley generally offers good conditions for mountain biking from spring through autumn. Spring and early autumn provide pleasant temperatures and vibrant scenery. Summers can be warm, while winter rides might be muddy or cold, depending on the weather.


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