4.2
(564)
2,365
riders
163
rides
Mountain biking around Lagny-sur-Marne offers access to varied terrain, from leisurely paths along the Marne River to more challenging forest trails. The region is characterized by the tranquil Marne River banks, which provide easy cycling routes, and proximity to extensive forests like Fontainebleau and Crécy. These natural features create a diverse landscape for mountain bikers, ranging from flat, paved surfaces to technical singletracks with elevation changes. The surrounding Seine-et-Marne department expands the opportunities for exploring dense woodlands and rolling hills.
…Last updated: May 18, 2026
4.7
(72)
243
riders
42.8km
02:41
100m
100m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.6
(38)
91
riders
34.1km
02:09
90m
90m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.5
(6)
45
riders
44.8km
03:16
280m
280m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.8
(5)
20
riders
39.8km
02:57
270m
270m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.0
(3)
22
riders
14.0km
00:52
30m
30m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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drive slowly, often crowded, especially on weekends during holidays
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This former mill now serves as a restaurant. You'll find an apartment hotel just across the street. It's a peaceful and pleasant setting!
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Great walk for all levels that offers beautiful scenery!
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Water point available in the mill park
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It's worth it just for the view of this remarkable architecture.
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Iron pedestrian footbridge built in 1893-1894 to facilitate traffic between Le Perreux and Bry-sur-Marne. The construction of the Bry Footbridge by the Société de construction de Levallois-Perret, a former company of Gustave Eiffel, aimed to replace a missing ferry and to allow Bry residents access to the Nogent tramway. It required the installation of 42 piles driven to a depth of 10 m.
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The terrain around Lagny-sur-Marne is quite varied. You'll find many easy routes along the tranquil Marne River banks, which are often paved and suitable for relaxed cycling. For more challenging experiences, the wider Seine-et-Marne department offers extensive forests like Fontainebleau and Crécy, featuring technical singletracks with elevation changes, roots, and rocks.
Yes, Lagny-sur-Marne offers several easy routes perfect for families and beginners. Trails along the Marne River are generally flat and well-maintained. For example, the Bassin de Champfleuri – Moulin footbridge loop from Lagny - Thorigny is an easy 19.1-mile path winding along the riverbanks, providing a relaxed ride through picturesque scenery. Crécy Forest, located about 40-50 minutes away, also provides less technical trails ideal for family outings.
Yes, many mountain bike routes around Lagny-sur-Marne are designed as loops. For instance, the Parc des Ânes – Bassin de Champfleuri loop from Lagny - Thorigny is a moderate 26.7-mile circular route offering views of local waterways and green spaces. Another option is the Étang de la Loy – Étang de la Loy loop from Montévrain, an easy 10.5-mile loop.
Along the trails, you can explore various natural and man-made attractions. The Marne River itself is a prominent feature, with picturesque views and willow-lined banks. You might encounter highlights like the Moulin footbridge or the Marne Statues Park. The region also features several beautiful lakes and ponds, such as Bassin de Champfleuri and the Jablines-Annet Leisure Centre.
While many local routes are easy to moderate, for more advanced and technical mountain biking, you should head to Fontainebleau Forest. Located about 40-50 minutes away, it offers 300 km of marked trails with varied landscapes, including sandstone formations, elevation changes, rocks, roots, and jumps, catering to experienced riders. An example of a more challenging local route is the Cows in the Meadow – Marne Statues Park loop from Bussy-Saint-Georges, a difficult 24.0-mile trail.
The mountain bike trails around Lagny-sur-Marne are highly rated by the komoot community, with an average score of 4.3 stars from over 600 reviews. Many riders praise the varied terrain, from quiet river paths to more challenging forest sections, and the well-maintained routes that offer options for different ability levels.
Lagny-sur-Marne is well-connected by public transport, making it a convenient base. You can reach the town by train, and from there, many cycling paths along the Marne River are easily accessible. For trails further afield in forests like Fontainebleau, a combination of public transport and a short ride might be necessary, or consider driving.
Lagny-sur-Marne and its surrounding areas offer various parking options. You'll find public parking available within the town itself, particularly near the riverbanks and local parks. When venturing into larger forest areas like Fontainebleau or Crécy, designated parking lots are typically available at trailheads or popular access points.
Yes, in Lagny-sur-Marne, it's possible to borrow bikes for free from the Maison des mobilités. This can be a great option for exploring the banks of the Marne River and the immediate surroundings without needing to bring your own bike.
The best time for mountain biking around Lagny-sur-Marne is generally during spring, summer, and early autumn. These seasons offer pleasant weather conditions, with lush greenery along the riverbanks and comfortable temperatures for exploring the forests. While winter riding is possible, some trails might be muddy or less accessible depending on recent rainfall.
Yes, for those looking for longer rides, the region offers routes that can extend for significant distances. For example, the Ostrich breeding – Belle Assise mill (16th) and geodesic tower (late 19th) loop from Lagny - Thorigny is a moderate 34.7-mile route, providing an extensive exploration of the local landscape.
Lagny-sur-Marne is ideal for combining mountain biking with other outdoor activities. The Marne River banks are perfect for walking, running, or picnicking. You can also visit local parks like Parc des Samoreaux or Parc d'Haslach. The nearby Jablines-Annet Leisure Centre offers various water sports and recreational activities.


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