4.6
(83)
300
riders
30
rides
No traffic touring cycling routes around Boursonne are characterized by a blend of natural beauty and historical interest within the Oise department of France. The region features extensive woodlands, notably the Forest of Retz, offering tranquil settings for cycling. Terrain includes varied landscapes, from mostly paved surfaces to gravel paths, with moderate elevation gains across the area. This makes the region suitable for touring cyclists seeking routes through forests and past historical sites.
Last updated: May 8, 2026
5.0
(3)
17
riders
59.3km
04:02
340m
340m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
4.4
(7)
20
riders
49.4km
03:05
480m
480m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3.5
(2)
6
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
29.2km
01:56
300m
300m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
4
riders
28.4km
01:51
210m
210m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Boursonne
The Château de La Ferté-Milon is an unfinished castle in La Ferté-Milon, France. It was commissioned by Louis of Orléans at the end of the 14th century but was never completed due to his death. The castle is known for its long façade and the remains of a gateway, which are now a popular attraction. The castle is a reminder of the grandeur Louis of Orléans envisioned, but also of the ravages of time. It is a popular destination for tourists and history and architecture enthusiasts.
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This asphalt track is great for beginners as well as those looking for speed, whether on foot, by bike, in a stroller or in a wheelchair.
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Nestled on the banks of the Ourcq River, in the shadow of the ruins of the impressive fortress, lies the charming town of La Ferté-Milon. La Ferté-Milon Castle was founded at the end of the 14th century but was never completed due to the assassination of the Duke of Orléans in 1407. Nevertheless, you'll find interesting remains here, such as the impressive façade with its window openings, the machicolations, and the low reliefs, the most remarkable of which depicts the Coronation of the Virgin. Magnificent views over the Ourcq valley can be admired from the castle's forecourt... Other monuments you can visit in La Ferté-Milon include the Saint-Nicolas Church, with its 16th-century stained-glass windows depicting scenes from the life of Christ and a vision of the Apocalypse, and the Church of Our Lady, dating from the 12th to the 16th centuries, where the famous fable writer Jean de La Fontaine married Jean Racine's cousin. Literature enthusiasts should definitely visit the Jean Racine Museum, dedicated to the life and work of the famous playwright, which houses many memorabilia from his paternal grandmother's house, where the writer spent his childhood.
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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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On the banks of the Ourcq, the ruins of the castle of La Ferté Milon (this is the facade of the old castle) dominate the city. Started in 1399 on the orders of Louis d'Orléans, Duke of Valois and brother of King Charles VI, this castle should have been the great work of this patron and builder prince. The project was conceived as a response to his castle of Pierrefonds then under construction. But at Pierrefonds Louis d'Orléans had made do with what already existed; at La Ferté-Milon he made a clean sweep of the previous castle and began from scratch the construction of what should have become the most grandiose castle in Western Europe! Alas, in 1407, the assassination of Louis by the partisans of his uncle and sworn enemy John the Fearless, Duke of Burgundy, abruptly interrupted the work. Only one facade was completed. A facade that in itself already constitutes a marvel of 15th century architecture! Despite appearances, the old expression of "castle-fort" does not apply to this colossus intended to be much more of a palace than a defensive site. It is then designed and decorated in such a way as to affirm the wealth, power and faith of one of the greatest lords of his time. https://lafertemilon.fr/fr/rb/795966/le-chateau-ses-remparts
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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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There are 24 dedicated no-traffic touring cycling routes around Boursonne, offering a variety of experiences. These include 7 easy routes, 15 moderate routes, and 2 more challenging options for experienced cyclists.
The routes around Boursonne offer varied terrain, from mostly paved surfaces suitable for all skill levels to more challenging gravel sections. You'll cycle through serene natural beauty, including extensive forest paths within the Forest of Retz, and charming village landscapes.
Yes, many of the no-traffic routes around Boursonne are designed as loops. For example, the Greenway of the Pays de Valois – VOIE VERTE DU VALOIS loop from Thury-en-Valois offers a challenging circular ride, while the Greenway of the Pays de Valois – VOIE VERTE DU VALOIS loop from Mareuil-sur-Ourcq provides a moderate option.
You'll find several historical points of interest. The Château de La Ferté-Milon, an unfinished 14th-century castle, is accessible via routes like the VOIE VERTE DU VALOIS – Greenway of the Pays de Valois loop from La Ferté-Milon. You might also encounter the ruins of Château de Noue or historical sites within the Forest of Retz, such as the Joost Van Vollenhoven 1914-1918 Memorial.
Absolutely. The routes frequently pass through the expansive Forest of Retz, offering tranquil settings and diverse natural beauty. You can also find natural springs feeding wells in Boursonne, and the region is known for its varied landscapes. The Pays de Valois Greenway itself is a notable natural feature for cyclists.
The Oise region, where Boursonne is located, is suitable for outdoor recreational activities throughout the year. However, spring and autumn generally offer the most pleasant temperatures and vibrant scenery for touring cycling, avoiding the peak heat of summer or potential chill of winter.
Yes, among the 24 routes, there are 7 classified as easy, making them suitable for families. These routes typically feature gentler gradients and shorter distances, providing a relaxed and safe cycling experience away from traffic.
While specific regulations for dogs on cycling routes can vary, generally, dogs on a leash are welcome on many public paths and greenways in France, especially in natural areas like the Forest of Retz. It's always advisable to check local signage or specific route descriptions for any restrictions before you go.
The area is highly rated by the komoot community, with an average score of 4.6 out of 5 stars from 89 ratings. Reviewers often praise the peaceful, traffic-free nature of the routes, the beautiful forest scenery, and the opportunity to discover historical landmarks like the Château de La Ferté-Milon.
Yes, for experienced cyclists seeking a challenge, there are 2 difficult routes available. An example is the Le Petit Pont Vert – La Ferté-Milon loop from Ivors, which covers nearly 50 km with significant elevation gain, offering an engaging ride through varied landscapes.
Many of the routes start from villages or towns that offer public parking facilities. For instance, routes originating from Thury-en-Valois, Mareuil-sur-Ourcq, Ivors, La Ferté-Milon, or Villers-Cotterêts typically have designated parking areas nearby, allowing easy access to the traffic-free paths.
Yes, the region has a rich architectural heritage. You can find routes that pass by historical religious sites, such as the Longpont Abbey – Château d'Oigny-en-Valois loop from Villers-Cotterêts. The Former Lieu Abbey Restored is also a highlight in the area.


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