4.2
(292)
610
riders
71
rides
Mountain biking around Thieux offers accessible routes through the Île-de-France region, characterized by its proximity to the Canal de l'Ourcq. The landscape features extensive green spaces, open fields, and forests, providing a natural escape from urban environments. While not known for high-alpine terrain, the area provides varied surfaces along canal paths and through the countryside, suitable for different types of mountain biking. These routes often include both paved and natural surface trails, with some sections offering more challenging features.
Last updated: July 5, 2026
5.0
(4)
24
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.7
(23)
22
riders
42.0km
03:16
280m
280m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.8
(13)
18
riders
32.4km
02:15
190m
180m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
11
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(4)
13
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The Bruyères de Frais-Vent, located in the Ermenonville forest in the Montlognon woods, constitute an exceptional natural site. It is the only place in the massif where large blocks of sandstone rest on a vast layer of Fontainebleau sand.
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This castle is a very pretty place full of charm which according to Wikipedia dates from the 18th century and whose origins date back to the year 987!!!!!
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Perfect setting in Jean Jacques Rosseau Park to rest your feet while enjoying a picnic
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Superb in spring!
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pay attention to the passages in the middle of the ONF plots. Traffic is prohibited there.
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Rather a question! We want to hike in the fresh wind trail area, with the rocks this Sunday. Is there HUNTING in this area!!?
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Ermenonville Castle is a medieval fortress which was transformed into a castle in the 18th century. The castle is located in the heart of a country-inspired park, from where you can admire the view of the Launette and the Jean-Jacques Rousseau park.
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There are over 60 mountain bike trails around Thieux. The network includes 13 easy routes, 51 moderate routes, and 5 difficult routes, offering options for various skill levels.
You can expect varied landscapes, primarily characterized by the scenic paths along the Canal de l'Ourcq, expansive green spaces, open fields, and sections through forests. The terrain is generally rolling and accessible, providing a natural escape from urban environments.
The mountain bike trails around Thieux are highly rated by the komoot community, with an average score of 4.2 stars from over 240 reviews. Many riders appreciate the varied terrain, from canal paths to wooded sections, and the overall accessibility of the routes.
Yes, Thieux offers 13 easy mountain bike routes, perfect for beginners or those looking for a more relaxed ride. These trails often follow the gentle paths along the Canal de l'Ourcq or wind through less challenging sections of the countryside.
Many of the mountain bike routes around Thieux are designed as loops, allowing you to start and finish at the same point. For example, the Othis Church – Handlebar width loop from Dammartin-en-Goële is a popular moderate circular trail.
The most prominent feature you'll encounter is the Canal de L'ourcq, with its dedicated cycle path offering scenic views. You might also pass by the Ourcq Canal Bridge and various green spaces like the Poudrerie Forest Park Road.
The best time for mountain biking in Thieux is generally from spring through autumn. During these seasons, the weather is pleasant, and the trails are typically in good condition. While some trails are accessible year-round, winter can bring muddy conditions or colder temperatures.
Yes, many trails around Thieux are suitable for families, especially the easier routes. The paths along the Canal de l'Ourcq are particularly good for a relaxed ride away from car traffic. Always check the specific trail's difficulty and length to ensure it matches your family's capabilities.
Generally, dogs are allowed on trails in the Thieux region, especially in natural areas and along canal paths. However, it's always best to keep them on a leash, particularly in areas with wildlife or other trail users, and to respect local signage regarding pet regulations.
Thieux is part of the Île-de-France region, which has a comprehensive public transport network. While specific trailheads might require a short ride from a station, many areas, especially along the Canal de l'Ourcq, are accessible via regional trains or buses. Check local transport schedules for the most convenient access points.
Parking is generally available in and around the villages that serve as starting points for many routes, such as Dammartin-en-Goële or Moussy-le-Vieux. Look for public parking areas in these towns, which often provide convenient access to the trail network.
While Thieux is not known for extreme high-alpine terrain, there are 5 difficult mountain bike routes for those seeking more of a challenge. These routes, such as the Château d'Ermenonville – Crossing the small bridges loop from Dammartin - Juilly - Saint-Mard, often feature longer distances and more significant elevation changes compared to the moderate options.


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