5.0
(2)
149
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10
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No traffic road cycling routes around Billy-Sur-Ourcq navigate a landscape characterized by rolling hills, picturesque villages, and extensive forested areas such as the Forêt de Retz. The region, part of the Aisne department, offers a mix of well-paved roads suitable for road cycling, with some routes incorporating sections through natural reserves. Cyclists can expect varied terrain, from gentle ascents through open countryside to shaded paths within woodlands. This area provides a setting for road cycling that combines natural beauty with…
Last updated: July 16, 2026
15
riders
62.8km
02:59
550m
550m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
9
riders
83.5km
03:53
690m
690m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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3
riders
90.6km
04:03
940m
940m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
4
riders
38.3km
01:45
280m
280m
Moderate road ride. Great for any fitness level. Some segments of this route may be unpaved and difficult to ride.
2
riders
55.7km
02:39
670m
670m
Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.
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Popular around Billy-Sur-Ourcq
Peace and serenity await you at this natural site, which is the starting point of the Ourcq Canal.
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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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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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A place steeped in history https://www.abbayedelongpont.fr/fr
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A place steeped in history. https://www.abbayedelongpont.fr/fr/un-lieu-charge-d-histoire
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Pleasant but very muddy at this time of year
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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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"The Wolves" - battle 1918
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There are 10 dedicated no-traffic road cycling routes around Billy-sur-Ourcq listed in this guide. These routes offer a mix of easy, moderate, and difficult options, ensuring there's something for every skill level.
The region around Billy-sur-Ourcq features a diverse landscape, from the serene paths within the Foret de Retz to rolling hills and picturesque villages. While many routes offer mostly well-paved surfaces, some may include varied terrain, providing a good challenge for cyclists seeking elevation gains.
Absolutely! The area is rich in history. You can cycle past the impressive Longpont Abbey and the beautiful Ruins of the Abbey of Notre-Dame de Longpont. Another significant site is Les Fantômes de Landowski, a monument commemorating the Second Battle of the Marne near Oulchy-le-Château.
Yes, the region boasts natural beauty. The Foret de Retz is a prominent natural feature offering shaded, scenic paths. You can also discover unique geological formations like The Devil's Hotée, a remarkable rocky chaos, which makes for an interesting stop on your ride.
The longest no-traffic road cycling route in this guide is the La Ferté-Milon – Houssoy Castle loop from Corcy, covering approximately 90.8 kilometers. This route is classified as difficult, offering a significant challenge for experienced cyclists.
Yes, the Septmont – Longpont Abbey loop from Longpont is a moderate route spanning about 51.8 kilometers. It allows you to combine your ride with a visit to the historic Longpont Abbey, offering both physical activity and cultural discovery.
The komoot community highly rates the road cycling experience in Billy-sur-Ourcq, with an average score of 5.0 stars. Cyclists often praise the quiet roads, scenic landscapes, and the opportunity to discover historical sites and natural monuments along the way.
For a shorter, moderate ride, consider the Septmont Keep – Septmont loop from Muret-et-Crouttes. This route is approximately 28.5 kilometers long and offers a pleasant cycling experience without requiring a full day commitment.
Yes, many of the routes listed are circular, allowing you to start and end at the same point. For example, the View of Droizy – Château de Droizy loop from Hartennes-et-Taux is a substantial 83.5-kilometer loop that takes you through varied scenery.
For broader information on outdoor activities, including cycling, in the Soissons-Villers-Cotterêts area, you can visit the local tourism website: soissons-villerscotterets-tourisme.com.
The region's rolling hills and forests are beautiful throughout the warmer months. Spring and autumn offer pleasant temperatures and vibrant scenery, making them ideal for road cycling. Summer is also suitable, though it's advisable to start earlier in the day to avoid the midday heat.


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