4.2
(12)
97
hikers
29
hikes
Hiking around Boursonne offers access to the extensive Forêt de Retz, a significant beech forest spanning approximately 13,000 hectares. The region features varied terrain, including higher areas and water features like the Étang de Malva. This landscape provides a setting for numerous hiking trails, ranging from gentle forest walks to more challenging routes.
Last updated: May 8, 2026
5.0
(3)
16
hikers
9.88km
02:37
100m
100m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
18
hikers
7.12km
01:51
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(2)
18
hikers
11.9km
03:12
150m
150m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
8
hikers
5.78km
01:30
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
3.0
(1)
11
hikers
7.40km
01:55
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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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.
5
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Superb renovation of the castle, the room where the tennis court was held is magnificent with this dome of words
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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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This former railway right-of-way links Ormoy-Villers to Mareuil-sur-Ourcq. Perfect for connecting with the towpath of the Ourcq canal.
2
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XIIe century castle, not much too see but will provide shade for a break
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0
There are over 30 hiking routes around Boursonne, primarily within the extensive Forêt de Retz. These trails offer a variety of experiences, from easy strolls to more challenging excursions.
Hikes near Boursonne primarily traverse the Forêt de Retz, which is renowned for its majestic beech forests. You can expect varied terrain, including gentle forest paths, higher and more rugged areas, and trails that pass by water features like the Étang de Malva. The forest's rich biodiversity and ancient trees create a unique natural ambiance.
Yes, Boursonne offers plenty of easy hiking options perfect for beginners or families. Out of the over 30 trails, 12 are rated as easy. For example, the Bois de la Montière loop from Antilly is an easy 6.2 km path that provides a peaceful forest experience.
While most trails are easy to moderate, there is at least one difficult route available for experienced hikers seeking a greater challenge. The varied terrain of the Forêt de Retz, including its higher areas, can provide more strenuous sections on certain trails.
The Forêt de Retz is rich in natural and historical points of interest. You can explore unique geological formations like La Cave du Diable, ancient monoliths such as La Pierre Clouise and La Pierre Fortière, and the remains of Ermitage Saint-Hubert. The forest also features the picturesque Étang de Malva. Nearby, you can visit historical sites like the town of La Ferté-Milon with its castle, or the Château de Villers-Cotterêts, which holds significant historical importance.
The Forêt de Retz offers beautiful hiking opportunities throughout the year. Spring brings lush greenery and blooming wildflowers, while autumn transforms the beech forest into a spectacle of vibrant colors, making it a particularly popular time for walks. Summer provides shaded trails, and even winter can be magical with frosty landscapes, though some paths might be muddy.
Yes, many of the hiking trails around Boursonne are designed as circular routes, allowing you to start and end at the same point. For instance, the La Ferté-Milon Castle loop from La Ferté-Milon and the Pavillon Henri II loop from Villers-Cotterêts are popular circular options.
Generally, dogs are welcome on trails within the Forêt de Retz, but it's always advisable to keep them on a leash, especially given the forest's rich wildlife, including deer. Please respect local signage and regulations regarding pets.
Parking is typically available at the starting points of many trails, particularly in and around villages bordering the Forêt de Retz, such as Villers-Cotterêts or La Ferté-Milon. Specific parking details are often provided on individual route descriptions on komoot.
The hiking experience around Boursonne is highly rated by the komoot community, with an average score of 4.1 stars from over 9 reviews. Hikers often praise the tranquility of the dense woodlands, the well-maintained historic forest paths, and the diverse natural beauty of the Forêt de Retz.
Yes, the region offers extensive networks of paths. The Forêt de Retz itself boasts 560 to 600 kilometers of paths and forest roads. Additionally, you can explore sections of the Greenway of the Pays de Valois, which provides a dedicated route for walking and cycling, such as the Greenway of the Pays de Valois loop from Boullarre.
For more detailed information about the Forêt de Retz, its history, and specific attractions, you can visit the official tourism websites for the region. The Pays de Valois Tourism website and the Soissons-Villers-Cotterêts Tourism website offer comprehensive details about this exceptional forest.


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