4.8
(9)
81
riders
2
rides
Gravel biking around Chavençon features a landscape characterized by ancient, unpaved "hollow paths" that weave through the countryside. The terrain includes varied elevations, notably around the Buttes de Rosne, the highest point in the Île-de-France region. This area offers a mix of natural routes and rural charm, providing diverse challenges for gravel bikers. The region's ecological significance and historical elements contribute to an immersive outdoor experience.
Last updated: June 24, 2026
4.9
(7)
3
riders
47.9km
03:31
540m
540m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
35.6km
02:14
300m
300m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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1
riders
10.8km
00:44
110m
110m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Absolutely beautiful, eyes filled with this landscape that puts a smile on your lips.
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pleasant
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the wash house and the river, so cute
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With its origins in the Middle Ages, Reilly is a charming village in a green valley which offers a setting of old buildings including a church dating back to the 11th century, an abbey and a more recent castle.
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Chavençon is known as "the village of the hollow path," offering a network of ancient, unpaved paths that are ideal for gravel biking. You'll find a mix of rural settings, varied terrain, and significant elevation changes, particularly around the Buttes de Rosne, the highest point in the Île-de-France region. The trails range from easy loops to more challenging, longer routes.
Yes, there are options for easier rides. For instance, the Lavoir de Reilly – Reilly pond loop from Boubiers is an easy 6.7-mile (10.8 km) trail that takes about 50 minutes to complete, leading through pleasant rural settings. This could be a good choice for those looking for a less strenuous ride.
For experienced gravel bikers seeking a challenge, the Villarceaux Estate – Wy-dit-Joli-Village loop from Liancourt-Saint-Pierre is a difficult 65.7-mile (105.7 km) trail exploring the Vexin Français Regional Natural Park with significant elevation changes. Another demanding option is the Château d’Auvers – Nice place loop from Arronville, a difficult 29.0-mile (46.7 km) path with notable climbs.
The terrain around Chavençon offers varied elevations. You can expect significant climbs and descents, especially on routes that traverse the Buttes de Rosne, which is the highest point in the Île-de-France region. For example, the difficult Villarceaux Estate – Wy-dit-Joli-Village loop features nearly 790 meters of elevation gain.
Yes, many of the gravel bike routes around Chavençon are designed as loops, allowing you to start and end in the same location. Examples include the Lavoir de Reilly – Reilly pond loop from Boubiers and the Forest trail – Large Path in the Woods loop from Haravilliers.
Beyond the scenic "hollow paths" and the varied terrain of the Buttes de Rosne, you can explore historical and cultural points of interest. Nearby attractions include the historic Moussy Castle, and several religious buildings like the Notre-Dame-de-l'Assomption Church of Frémécourt and the Saint-Rémi Church. The village of Chavençon itself boasts the 12th-century Romanesque Église de la Nativité.
The gravel biking routes around Chavençon are highly rated by the komoot community, with an average score of 4.4 stars from over 8 reviews. Riders often praise the blend of natural routes, the charm of the rural settings, and the diverse challenges offered by the varied terrain, including the unique "hollow paths."
While specific public transport options directly to trailheads for bikes might be limited, Chavençon is situated in a rural area. It's advisable to check local bus schedules or regional train services that might connect to nearby towns, from which you could cycle to Chavençon. For detailed information on the village itself, you might find resources on the local tourism website: tourisme-vexin-nacre.fr.
Chavençon is a small, picturesque village, and while it offers historical charm, specific cafes or pubs directly on the trails might be scarce. It's recommended to plan your route to pass through Chavençon or nearby larger villages where you are more likely to find amenities for refreshments. Always carry sufficient water and snacks, especially on longer rides.
The best time for gravel biking in Chavençon, like much of the Île-de-France region, is typically during the spring (April to June) and autumn (September to October). During these seasons, the weather is generally mild, and the natural landscapes are particularly beautiful, with blooming flora in spring and vibrant foliage in autumn. Summers can be warm, and winters can be cold and wet, potentially making some unpaved paths muddy.
Many natural and rural paths in France are generally accessible for dogs, especially if kept on a leash. However, given that the Buttes de Rosne is a Zone Naturelle d'Intérêt Écologique Faunistique et Floristique (ZNIEFF), there might be specific regulations regarding pets to protect local wildlife. It's always best to check local signage or official park guidelines for any restrictions on bringing dogs, particularly in ecologically sensitive areas.


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