4.3
(160)
457
riders
51
rides
Mountain bike trails Oissery offer diverse terrain within the Seine-et-Marne department of France. The region is characterized by its proximity to the Ermenonville Forest, which features varied landscapes including unique sandstone blocks and Fontainebleau sand formations at Les Bruyères de Frais-Vent. This geological composition provides a mix of challenging sandy sections and technical rocky areas for mountain bikers. The area's natural features contribute to a dynamic riding experience suitable for various skill levels.
Last updated: May 24, 2026
5.0
(1)
13
riders
30.7km
02:31
390m
390m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3.6
(5)
13
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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4.0
(3)
10
riders
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.
4.8
(4)
4
riders
40.3km
02:58
190m
190m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
2.5
(2)
7
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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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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Listed as a Historic Monument since 1862, the church of Montagny-Sainte-Félicité stands apart from the village, on the site of a former priory dependent on the Abbey of Saint-Vincent de Senlis. Rebuilt in the 16th century in a flamboyant Gothic style, it is distinguished by its tall, 30-meter openwork octagonal spire, one of the most elegant in the Oise.
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The Slide Stone is a sandstone slab with a natural slide in the middle. According to legend, women slid down it to predict whether they would have children in the coming year.
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The Rooster Rock is a curious rock formation that resembles a rooster's head. You can learn more about the forest's diverse flora and fauna thanks to the information panels along the trail.
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Superb in spring!
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Superb road, but watch out for the traps that can be brought by the forest.
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There are over 50 mountain bike trails available around Oissery, offering a wide range of options for different skill levels. The komoot community has explored more than 55 routes in the area.
The terrain around Oissery, particularly within the Ermenonville Forest, is diverse. You can expect dense woodlands, varied landscapes, and unique geological features like the sandstone blocks and Fontainebleau sand formations at Les Bruyères de Frais-Vent. This provides a mix of challenging sandy sections, technical rocky areas, and engaging singletrack, offering a dynamic riding experience.
Yes, Oissery offers several easy mountain bike trails perfect for beginners. For example, the Entrance to the Forest Trail – Cuisy forest solo trail loop from Saint-Soupplets is an easy 9.5-mile (15.3 km) path, and the Cuisy forest solo trail – Entrance to the Forest Trail loop from Montgé-en-Goële is another easy option at 7.5 miles (12 km).
While most trails are moderate, the region does offer more challenging sections. The Ermenonville Forest is known for its 'Mer de Sable singletrack,' described as a fine, narrow downhill that winds continuously through nature, providing a technically interesting ride for experienced mountain bikers. Overall, there is one difficult-rated trail among the 55 available.
Yes, many mountain bike routes around Oissery are circular. Examples include the Entrance to the Forest Trail – Montge Forest Road loop from Marchémoret, a 19.1-mile (30.7 km) trail, and The Sorcerer's Stone – View from the treetops loop from Le Plessis-Belleville, which is 14.8 miles (23.8 km).
The region offers several interesting sights. You can explore the unique natural site of Les Bruyères de Frais-Vent with its sandstone blocks. Additionally, the historical Château d'Ermenonville is nearby, offering a picturesque setting. Other attractions include Nantouillet Castle and the Monument Notre-Dame de la Marne - Barcy.
Oissery offers several easy forest paths that are suitable for families. The diverse network of trails includes options for different ability levels, ensuring that families can find routes that match their comfort and skill, particularly in the less challenging wooded areas.
While specific regulations for dogs on every trail may vary, generally, dogs are permitted on many public trails in French forests, often on a leash. It's always recommended to check local signage or specific trail guidelines before heading out with your dog.
The diverse terrain, including sandy sections and root beds, can be enjoyed across different seasons. Spring and autumn typically offer pleasant temperatures and beautiful forest scenery. Summer can be good, especially in the shaded forest areas, while winter conditions might introduce mud or colder temperatures, requiring appropriate gear.
Yes, many trailheads and access points to the Ermenonville Forest and other wooded areas around Oissery offer parking facilities. For specific routes, it's advisable to check the route details on komoot for designated parking areas near the starting points, such as those for tours beginning from Marchémoret or Saint-Soupplets.
The mountain bike trails around Oissery are highly rated by the komoot community, with an average score of 4.5 stars from over 170 reviews. Reviewers often praise the dense woodlands, varied terrain, and the unique sandstone formations that make for a dynamic and engaging riding experience.
While Oissery itself is a smaller commune, the surrounding towns and villages, especially those near popular trailheads or attractions like the Château d'Ermenonville, offer cafes and restaurants where you can refuel after your ride. It's a good idea to plan your route to pass through or near these villages.


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