4.3
(4)
27
riders
11
rides
Mountain biking around Marizy-Saint-Mard offers diverse terrain within the Aisne department of Hauts-de-France. The region is characterized by significant forested areas, including the Forêt de Retz, which provide extensive networks of trails. Undulating terrain with valleys and hills, such as those found along the Marne River, contributes to varied elevation changes suitable for mountain biking. These natural features create a promising environment for exploring routes through woodlands and along waterways.
Last updated: May 19, 2026
5.0
(2)
4
riders
26.2km
02:07
350m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
3
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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3.0
(1)
4
riders
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
2
riders
18.9km
01:15
220m
220m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
1
riders
30.8km
02:14
340m
340m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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The towpath that crosses La Ferté Milon is a must. As the section is closed to bicycle traffic, it is a must-see hiking trail, rather than a must-see mountain bike trail; and given the terrain, it would even be more Gravel than mountain bike, if bicycles were allowed to circulate. The Ruins of the Castle is a good place to stop: for the history, the panoramic view and the restaurant.
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While strolling along the Canal de l'Ourcq, you will pass by the Marolles lock with an interesting view of the canal, the lock, an island, the church and the castle. https://aufildelourcq.org/index.php https://fr.wikipedia.org/wiki/Marolles_(Oise)
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The Château d'Oigny-en-Valois is a monument located in the commune of Oigny-en-Valois It is listed as a Historic Monument. It opens its doors exclusively to the European Heritage Days. https://officiel-galeries-musees.fr/lieu/chateau-doigny-en-valois/
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Along the towpath, the view opens up for a moment onto the church of Mareuil-sur-Ourcq which stands on the other side of the canal. This Gothic-style building was built in three stages starting in the 13th century.
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Magnificent lock on the Ourcq canal at the eponymous village. It is surrounded by a beautiful green setting which gives it even more charm.
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We arrive by the towpath along the canal, then we see the church of Mareuil... Very bucolic.
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I adore. There's a hostel nearby where I can drink a coke and refill the canisters.
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2
castle open to visits with or without appointment, inside a nice overview of the surroundings of the last 2000 years you Wait... the castle is only 500 years old.
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There are several mountain bike routes directly around Marizy-Saint-Mard, with 4 tours detailed in this guide. The broader Aisne department, where Marizy-Saint-Mard is located, offers an extensive network of paths, particularly within its significant forested areas like the Forêt de Retz and Forêt de Compiègne, providing many more options for exploration.
The region offers diverse terrain, characterized by dense woodlands, river valleys, and gentle hills. You'll find a mix of forest paths and open sections, with undulating landscapes that provide varied elevation changes. The Marne River also flows through the region, offering potential for waterside routes.
Yes, there is at least one easy mountain bike route available. The Mountainbike loop from Chézy-en-Orxois is an easy 11.7-mile (18.8 km) trail that leads through rural landscapes and small villages, making it a good option for those seeking a less challenging ride.
The trails around Marizy-Saint-Mard cater to various skill levels. This guide features 1 easy route and 3 moderate routes. There are no difficult routes listed, making the area suitable for casual riders and those looking for a moderate challenge.
Yes, all the routes highlighted in this guide are circular. For example, you can enjoy the La Ferté-Milon Castle – Mareil-sur-Ourcq Lock loop from La Ferté-Milon, which is a moderate 23.0-mile (36.9 km) ride exploring the local countryside and following parts of the Ourcq canal.
While riding, you'll encounter rural landscapes, small villages, and forested areas. Nearby attractions include historical sites such as La Ferté-Milon and the Ruins of the Abbey of Notre-Dame de Longpont. You might also spot the View of Mareuil-sur-Ourcq church.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Riders often praise the varied terrain, which includes dense woodlands, river valleys, and gentle hills, providing diverse scenery and experiences. The network offers options for different ability levels, from easy loops to more challenging moderate routes.
The region features valleys like the Marne Valley, which offers panoramic views. While specific viewpoints are not detailed for every trail, the undulating terrain and open sections, particularly on routes like the Mountainbike loop from La Ferté-Milon, often provide scenic vistas over the surrounding countryside and forests.
The Hauts-de-France region generally offers pleasant conditions for outdoor activities during spring, summer, and early autumn. These seasons typically provide milder weather and drier trails, making for a more enjoyable mountain biking experience through the forests and along the river valleys.
For those seeking a longer ride, the La Ferté-Milon Castle – Mareil-sur-Ourcq Lock loop from La Ferté-Milon is a moderate 23.0-mile (36.9 km) trail. Another option is the Tour télécom – Château de Villers-Cotterêts loop from Longpont, which covers 19.1 miles (30.8 km) with significant elevation changes.
While specific cafes or accommodations directly on the trails are not detailed, Marizy-Saint-Mard and nearby villages will offer options for refreshments and lodging. It's advisable to check local listings in towns like La Ferté-Milon or Chézy-en-Orxois for amenities before your ride.
Beyond the immediate trails, the Aisne department is known for its significant forested areas, including the Forêt de Retz and the immense Forêt de Compiègne, which boasts over 560 miles of trails. The Marne River, France's largest, also flows through the region, and the broader Hauts-de-France area features diverse environments like the Audomarois marshes, which can be explored by bike. For more panoramic landscapes, you can visit Hauts-de-France Tourism.


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