4.4
(323)
1,285
riders
171
rides
Mountain biking around Fresnoy-En-Thelle offers a network of trails through varied landscapes. The region is characterized by its forests, such as the Mesnil-en-Thelle Forest, and proximity to waterways like the Oise River, featuring locks and marshlands. Elevation changes are generally gentle, making many routes accessible for different skill levels. The terrain often includes a mix of open plains and wooded paths, providing diverse riding experiences.
Last updated: July 2, 2026
5.0
(5)
17
riders
26.3km
01:38
90m
90m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
5.0
(1)
7
riders
29.1km
02:01
140m
140m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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5.0
(1)
7
riders
15.7km
01:13
100m
100m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.0
(1)
4
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.8
(4)
4
riders
16.8km
01:20
180m
180m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Impressive church, at least worth seeing by bike.
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picnic spot by the water
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Discover the picturesque charm of the banks of the Oise at L'Isle-Adam. Stroll along the tranquil riverbanks, where nature meets history. Stroll along the shaded paths, enjoy the welcoming terraces and let yourself be seduced by the bucolic landscapes. Isle-Adam is an invitation to relaxation and discovery, where every moment is an enchanted break. Come breathe the fresh air, admire the gently gliding barges and savor the sweetness of life by the water.
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Between woods and fields, this little-known valley offers beautiful views typical of the Ile-de-France countryside.
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Follow the GR11 towards the Vallée de Noé, very beautiful view …
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Built in 1933, in the purest liner style, this bathing establishment, today classified as a historic monument, operated until the 1990s. It has since been bought by the town hall. In 2017 it was reopened to the public. If you can no longer swim there, it seems that on sunny days you can have a drink in this fabulous setting.
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A break at Chateau Conti is always pleasant
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There are over 180 mountain bike trails available around Fresnoy-En-Thelle, catering to a range of skill levels. You'll find a good mix of easy and moderate routes, with a few more challenging options for experienced riders.
Yes, Fresnoy-En-Thelle offers many easy mountain bike trails perfect for beginners. An excellent option is L'Isle Adam – Chemin de la Petite Plaine loop from Chambly, which is 27.4 km long and traverses open plains, providing a relaxed riding experience.
For families, routes with gentle elevation and scenic views are ideal. The Boran-sur-Oise Lock loop from Neuilly-en-Thelle is an easy 28.4 km path that follows the Oise River, offering picturesque views and a relatively flat terrain suitable for a family outing.
While the region is known for its accessible trails, there are a few more challenging options. Out of the 181 routes, 5 are rated as difficult, offering a more demanding experience for advanced mountain bikers seeking a greater challenge.
The best seasons for mountain biking in Fresnoy-En-Thelle are typically spring and autumn. During these times, the weather is mild, and the forest trails are particularly beautiful with vibrant foliage or fresh greenery. Summer can also be pleasant, especially in the shaded forest areas, but always check local weather conditions.
Many trailheads around Fresnoy-En-Thelle offer convenient parking. For example, routes starting from villages like Chambly, Neuilly-en-Thelle, or Le Mesnil-en-Thelle often have designated parking areas nearby, making access to the trails straightforward.
Yes, the region features several scenic loop routes. The Mesnil-en-Thelle Forest loop from Le Mesnil-en-Thelle is a popular 15.7 km trail that takes you through dense forest, offering a beautiful and immersive natural experience.
The terrain around Fresnoy-En-Thelle is varied, featuring a mix of open plains, dense forest paths, and riverside trails. You'll encounter gentle elevation changes, making many routes accessible, with surfaces ranging from compacted earth to gravel.
Along the trails, you can discover various points of interest. Many routes pass by natural attractions like The Blue Lake of Carnelle or Le Petit Étang de Carnelle. You might also encounter historical sites such as Conti Castle, especially on routes like the Conti Castle – L'Isle Adam loop from Bornel - Belle-Église.
Absolutely. The region is characterized by its proximity to waterways like the Oise River and marshlands. The Chemin des Marais de Chambly – Bornel-Belle-Église Station loop from Neuilly-en-Thelle is an excellent example, taking you through marshy areas and offering unique scenery.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 260 reviews. Reviewers often praise the diverse terrain, the peaceful forest paths, and the accessibility of routes for various skill levels, making it a popular choice for a relaxed yet engaging ride.


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