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France
Hauts-De-France
Saint-Omer

Clairmarais

The best MTB trails around Clairmarais

4.6

(349)

1,927

riders

233

rides

Mountain bike trails around Clairmarais offer a diverse landscape for riders, characterized by the unique Audomarois marshlands and the extensive Rihoult-Clairmarais Forest. The terrain includes winding canals, flooded meadows, and shaded forest paths with varied tree species. Elevation changes are generally gentle, with some undulating ground within the forest areas, providing a mix of flat and slightly rolling routes. This region provides a natural environment suitable for various outdoor pursuits, including mountain biking.

Best mountain bike trails around Clairmarais

  • The…

Last updated: June 18, 2026

4.6

(8)

23

riders

#1.

Clairmarais Church – Rihoult-Clairmarais Forest loop from Clairmarais

23.6km

01:50

170m

170m

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate
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Tips from the Community

Patrick
August 22, 2025, La gare de St Omer

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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ideal site for individual boating or guided tours - there is a guinguette with typical dishes

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sign with tourist information

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here is an information board with all tourist information

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The church of Clairmarais was built in 1873, near the ruins of the former Cistercian abbey that gave the village its name. It replaced the abbey church that was destroyed during the French Revolution. The church is dedicated to Saint Bernard of Clairvaux, the spiritual father of the abbey. Today it is a landmark in the village and a silent witness to the religious heritage of this region. Note the coloured memorial to the dead next to the church.

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Imposing church in the town.

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Frequently Asked Questions

How many mountain bike trails are available around Clairmarais?

There are over 220 mountain bike trails around Clairmarais, offering a wide range of options for different skill levels and preferences.

What kind of terrain can I expect when mountain biking in Clairmarais?

Mountain biking in Clairmarais offers a diverse landscape. You'll find trails winding through the unique Audomarois marshlands with their canals and flooded meadows, as well as shaded paths within the extensive Rihoult-Clairmarais Forest. The terrain generally features gentle elevation changes, with some undulating ground in the forest areas, providing a mix of flat and slightly rolling routes.

What are the difficulty levels of mountain bike trails in Clairmarais?

The trails around Clairmarais cater to various skill levels. There are over 60 easy routes, more than 140 moderate routes, and 16 difficult routes for those seeking a greater challenge. This variety ensures options for beginners to experienced riders.

What natural features or landmarks can I see while mountain biking in Clairmarais?

While mountain biking in Clairmarais, you can explore the unique Audomarois marshlands, characterized by winding canals and reedbeds. The Romelaëre Ponds Nature Reserve is a haven for wetland species and diverse landscapes. You'll also ride through the ancient Rihoult-Clairmarais Forest, known for its variety of tree species. Other notable sights include the Boat Lift of Fontinettes and the Cassel Village.

Are there family-friendly mountain bike trails in Clairmarais?

Yes, Clairmarais offers several family-friendly mountain bike trails, particularly those that are rated as 'easy'. An excellent option is the Lansberghe Path – Rihoult-Clairmarais Forest loop from Clairmarais, which is an easy 20.2-mile (32.6 km) path winding through shaded forest trails, suitable for a pleasant family outing.

Are there any circular mountain bike routes in Clairmarais?

Yes, many mountain bike routes in Clairmarais are designed as loops. For example, the A lock – Saint-Omer station loop from Saint-Omer is a moderate 39.9-mile (64.4 km) trail that connects marshland areas. Another popular circular route is the Saint-Omer station – The Nature Barn loop from Saint-Omer, which is 20.2 miles (32.6 km) long and leads through natural areas.

Is it possible to reach the mountain bike trails in Clairmarais by public transport?

Yes, some routes are accessible via public transport hubs. For instance, routes like the A lock – Saint-Omer station loop from Saint-Omer and the L'AA cycle path – Saint-Omer station loop from Saint-Omer start from the Saint-Omer station, making them convenient for those using public transport.

What do other mountain bikers enjoy the most about mountain biking in Clairmarais?

The area is highly rated by the komoot community, with an average score of 4.6 stars from over 300 reviews. Reviewers often praise the unique blend of marshland and forest environments, the well-maintained trails, and the opportunity to explore diverse natural sites. Many appreciate the tranquil and picturesque setting for their rides.

Are there services like mountain bike rentals or maintenance facilities in the Clairmarais area?

Yes, the broader Pays de Saint-Omer region, which includes Clairmarais, offers services such as mountain bike rentals and maintenance facilities to enhance the experience for riders. For more information on available services, you might find details on the local tourism website: tourisme-saintomer.com.

What is the best time of year for mountain biking in Clairmarais?

Clairmarais offers good mountain biking conditions throughout much of the year. Spring and autumn provide pleasant temperatures and vibrant scenery, with the marshlands and forests at their most picturesque. Summer is also suitable, especially on the shaded forest trails. While winter riding is possible, some marshland areas might be wetter.

Are there any advanced mountain bike routes for experienced riders?

Yes, for experienced riders seeking a challenge, there are 16 difficult routes available. An example is the L'AA cycle path – Saint-Omer station loop from Saint-Omer, which is a difficult 43.2-mile (69.6 km) route with significant elevation changes, offering a demanding ride through the region.

Can I bring my dog on the mountain bike trails in Clairmarais?

While many natural areas in France are dog-friendly, it's always recommended to check specific trail regulations, especially within protected areas like the Romelaëre Ponds National Nature Reserve. Generally, dogs are welcome on trails if kept on a leash, but always be mindful of wildlife and other trail users.

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