4.5
(167)
1,236
riders
110
rides
Mountain biking around Saint-Omer offers diverse landscapes, from the unique Marais Audomarois wetlands with its extensive waterways and market gardens, to significant forest areas like Rihoult-Clairmarais and Tournehem-sur-la-Hem. The region also features undulating hills, providing varied terrain for mountain bikers. This blend of marshland, forests, and hills creates a dynamic environment for outdoor activities.
Last updated: June 21, 2026
4.6
(10)
75
riders
39.7km
03:40
960m
960m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.8
(5)
46
riders
41.5km
03:25
730m
730m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.3
(6)
53
riders
29.4km
02:01
330m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(3)
19
riders
52.6km
04:40
1,240m
1,240m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
19
riders
64.9km
05:33
1,220m
1,210m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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After this pretty bridge, a very difficult climb even on foot
0
0
Beautiful view of the Orne. Beautiful single track.
0
0
Magnificent loop 😍 allowing you to admire the magnificent nature of 💚Swiss-Normandy💚 Steep slopes, mountain biking required.
1
0
Absolutely beautiful circular walk! Contains some tough climbs, and here and there wet rocks to walk over so make sure you wear shoes with grip.
3
0
Mountain biking around Saint-Omer offers a diverse mix of landscapes. You'll find trails winding through the unique Marais Audomarois wetlands, which feature an undulating landscape of winding lanes and verdant countryside. There are also significant forest areas like the Rihoult-Clairmarais forest and the Tournehem-sur-la-Hem state forest, alongside undulating hills that provide varied terrain for riders.
The Saint-Omer region boasts a comprehensive network of mountain bike trails. Komoot lists over 110 mountain bike routes, with 13 dedicated trails accessible from the Lumbres mountain bike base alone, covering approximately 450 km of circuits.
Yes, Saint-Omer offers trails for various fitness levels. While some routes are challenging, there are also easier, family-friendly rides with smaller hills. Out of the over 110 routes listed on Komoot, 22 are rated as easy, providing accessible options for less experienced riders or families.
The region is rich in natural beauty and historical sites. You can explore the unique Marais Audomarois, a UNESCO-recognized biosphere reserve, or ride near the Romelaëre Ponds Nature Reserve. Specific routes might take you past landmarks such as the Clécy Viaduct or through areas like The Rochers des Parcs. You might also encounter historical sites like Château d'Harcourt.
The Lumbres mountain bike base, located about 20 km from Saint-Omer, is a central hub for mountain bikers. It offers marked routes, services such as bike repairs, tire inflation, bike cleaning, secure storage, and showers, and also provides mountain bike rentals. For more details, you can visit tourisme-saintomer.com.
Absolutely. For those seeking a challenge, Saint-Omer offers several difficult routes. One of the longest is the 102 km Le bois de Bully – Pegasus Bridge loop from Clécy. Another demanding option is the 49.1 km Clécy Viaduct – The Rochers des Parcs loop from Clécy, which features significant elevation gain.
The mountain bike trails around Saint-Omer are highly regarded by the komoot community, with an average rating of 4.5 stars from over 150 reviews. Riders often praise the varied terrain, from the unique marshlands to the dense forest paths and undulating hills, which provide a dynamic and engaging experience.
Yes, the unique Marais Audomarois wetlands are a defining feature of the region and are integrated into some mountain bike routes. For example, the 'La Cuvette at Clairmarais' trail specifically goes through the heart of the Audomarois marshlands and the village of Clairmarais, near the Romelaëre Ponds Nature Reserve.
Many of the mountain bike routes in Saint-Omer are designed as loops, allowing you to start and end at the same point. Examples include the 40.2 km Le Rocher des Parcs - Clécy – VTT Trail in Suisse Normande loop from Clécy and the 29.3 km Moulin des Vaux – VTT Trail in Suisse Normande loop from Les Forestiers.
The diverse landscapes of Saint-Omer, including its wetlands and forests, are enjoyable throughout much of the year. Spring and autumn offer pleasant temperatures and vibrant scenery. While specific weather conditions can vary, the region's trails are generally accessible, though it's always wise to check local forecasts, especially during wetter seasons when marshland trails might be muddier.
Yes, many routes combine different types of scenery. For instance, the 'Les Pommiers in Fauquembergues' route explores the Aa valley's green landscapes and the Bois de Renty. Similarly, the 'La Cuvette at Clairmarais' trail extends from the marshlands into the Rihoult-Clairmarais forest, offering a blend of open and wooded environments.


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