4.3
(363)
2,914
riders
345
rides
Touring cycling routes around Forêt Domaniale de Riboult-Clairmarais traverse a 1200-hectare state-owned forest characterized by diverse landscapes. The terrain features dense oak woodlands, interspersed with coniferous sections, and an undulating relief often described as "peau d'orange." Clay soil contributes to areas of high humidity, connecting the forest to the adjacent Audomarois marsh. Lake d'Harchelles is a notable natural feature within the forest, offering scenic views.
Last updated: June 5, 2026
4.3
(27)
94
riders
37.6km
02:16
80m
80m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
7
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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3.0
(1)
4
riders
9.54km
00:34
40m
40m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
5
riders
16.4km
00:56
60m
60m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
3
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Forêt Domaniale de Riboult-Clairmarais
Nice campsite outside of St. Omer. Quiet location, not much going on in May. Swimming pool closed. Clean restrooms; please bring your own toilet paper.
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After being closed for several years, the Saint-Omer train station has been given a facelift. The new, completely renovated building is dedicated to travelers, of course, but also to artists, craftspeople, entrepreneurs… La Station isn't just a station; it's "a space for innovation with a station inside." (c) https://nl.tourisme-saintomer.com/verwonderend/erfgoed-wonderen/meesterwerken-bewonderen/het-station-een-station-en-een-plaats-voor-innovatie/
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starting point for quite a few hikes
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here is an information board with all tourist information
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Worth seeing monastery ruins.
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Worth seeing small boat lift.
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ship lift from 1888 can be visited as a museum, see www.ascenseurabataux.com with interesting audio tour
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There are over 340 touring cycling routes recorded in Forêt Domaniale de Riboult-Clairmarais, offering a wide range of options for exploring the forest's diverse landscapes.
The forest features an undulating terrain, often described as having a 'peau d'orange' (orange peel) relief, due to its clay soil. While not mountainous, it offers varied elevation changes, with routes ranging from easy to difficult. The landscape includes dense oak woodlands, coniferous sections, and areas influenced by the adjacent Audomarois marsh.
Yes, Forêt Domaniale de Riboult-Clairmarais offers numerous easy routes perfect for beginners or family outings. For example, the Forest road – Prohibited travel with luggage loop from Clairmarais is an easy 12.6-mile (20.2 km) path providing a tranquil experience. Another option is the Clairmarais Church – Forest road loop from Clairmarais, a shorter 9.5-mile (9.5 km) route.
The forest and its surroundings are rich in attractions. You can visit the ruins of the ancient Cistercian abbey of Clairmarais, founded in 1140. Within the forest, you might also find the location of an old V2 launch site. Natural features include Harchelle Lake, offering scenic views, and the general beauty of the Rihoult-Clairmarais Forest itself. The Clairmarais Church is also a notable landmark.
Many of the touring cycling routes in Forêt Domaniale de Riboult-Clairmarais are designed as loops, allowing you to start and end at the same point. An example is the Chemin Gravé – Forest road loop from Clairmarais, which is 10.7 miles (17.3 km) long and leads through dense woodlands.
The forest is beautiful year-round, but spring and autumn offer particularly pleasant conditions for touring cycling with milder temperatures and vibrant foliage. The paths are generally considered easy, making them accessible in most seasons, though some areas might retain humidity due to the clay soil, especially after rain.
Yes, the area is highly recommended for gravel biking. The extensive network of paths within the forest, characterized by its diverse woodland and undulating terrain, provides an excellent environment for gravel cyclists to explore its natural beauty.
The touring cycling routes in Forêt Domaniale de Riboult-Clairmarais are highly rated by the komoot community, with an average score of 4.2 stars from over 300 reviews. Cyclists often praise the tranquil environment, the varied forest and marshland scenery, and the well-maintained paths suitable for different skill levels.
While the region is primarily accessed by car, some routes, like the Chestnut tree bridge – Saint-Omer station loop from Arques, start near train stations such as Saint-Omer, potentially offering public transport connections. It's advisable to check local bus or train schedules for specific access points to the forest.
Parking is generally available at various entry points to the forest and near popular starting locations for routes, such as around Clairmarais. Specific parking information can often be found on individual route pages or local tourism websites.
For those seeking a moderate challenge, the Boat Lift of Fontinettes – Chestnut tree bridge loop from Clairmarais is a 22.2-mile (35.7 km) route that takes approximately 2 hours 10 minutes to complete. This route offers varied forest and marshland scenery, providing a more extensive exploration of the area.


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