4.5
(634)
3,905
riders
436
rides
Mountain biking around Saint-Omer offers diverse terrain across the Pas-de-Calais department. The region features the unique Marais Audomarois marshlands with its intricate waterways, alongside significant forested areas like the Rihoult-Clairmarais forest and the Tournehem-sur-la-Hem state forest. Undulating landscapes are found around Lumbres, including the Bléquin valley and Mount Drionville, providing varied elevation for mountain bike trails. This combination of wetlands, woodlands, and rolling hills creates a distinct environment for outdoor activities.
Last updated: May 4, 2026
4.7
(16)
125
riders
51.3km
04:06
730m
730m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
4.7
(30)
108
riders
39.4km
02:09
40m
40m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4.8
(5)
51
riders
60.8km
05:15
940m
940m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.8
(10)
120
riders
51.7km
04:11
580m
580m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(1)
56
riders
59.5km
04:58
880m
880m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
62
riders
51.6km
04:10
760m
760m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(6)
51
riders
65.6km
05:32
1,080m
1,080m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.3
(3)
57
riders
51.9km
03:25
490m
490m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(6)
51
riders
64.7km
04:37
680m
680m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.5
(4)
45
riders
54.7km
04:20
600m
600m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Popular around Saint-Omer
to avoid mud after heavy rainfall. Preferably after a dry period
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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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In the Netherlands called salt marshes or salt marshes
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worth stopping to admire this beautiful building
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when it has rained this path is very muddy
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1 km long and average gradient 9.4%, steepest 100m 14.9% ends at the top on an unpaved road, so those who want to cycle further are better off with gravel or VTT.
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The Hem is a small river in Northern France. It rises in Surques, flows through Licques, Tournehem-sur-la-Hem, and flows into the Aa at Hennuin. The most important tributaries are the ruisseau de Loquin, the ruisseau de Sanghem, the ruisseau de Licques and the ruisseau de Bainghen.
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There are over 440 mountain bike routes around Saint-Omer listed on komoot, offering a wide range of options for different skill levels. This includes approximately 138 easy, 274 moderate, and 28 difficult trails.
Yes, Saint-Omer offers a good selection of easier trails. You'll find around 138 easy routes, many of which are suitable for beginners or family outings. These often explore the flatter sections of the Marais Audomarois or less challenging forest paths. For example, routes like Rescue Museum – Gravelines Ramparts loop from Oye-Plage offer a moderate ride through varied landscapes.
For experienced mountain bikers seeking a challenge, the region around Lumbres is particularly notable, with its 'extraordinary undulating landscapes' and the Bléquin valley. Komoot lists 28 difficult routes in the area. Trails like The Éperlecques Blockhaus – a travers foret loop from Houlle or Through the Aa Golf Course – L'AA cycle path loop from Lumbres provide significant elevation gain and technical sections.
Many of the mountain bike trails around Saint-Omer are designed as circular routes, allowing you to start and finish at the same point. This is convenient for parking and planning your day. Examples include the Pidou Mill – Saint-Omer Valley loop from Pihem or the Côte du mont a cheval – Pihem Ravine loop from Pihem.
Mountain biking in Saint-Omer offers a diverse range of landscapes. You can ride through the unique **Marais Audomarois** marshlands with their intricate waterways and market gardens, dense woodlands like the **Rihoult-Clairmarais forest** and **Tournehem-sur-la-Hem state forest**, and undulating hills around Lumbres, including the Bléquin valley. This mix of wetlands, forests, and rolling terrain provides varied scenery for your rides.
Yes, the region boasts several interesting landmarks and natural attractions. You might encounter the unique **Marais Audomarois** marshlands, a UNESCO-listed biosphere reserve. Other notable spots include the Platier d'Oye National Nature Reserve, the Romelaëre Ponds Nature Reserve, and the historic Boat Lift of Fontinettes. The Saint-Omer Public Garden also offers a peaceful stop.
The mountain bike trails around Saint-Omer are highly regarded by the komoot community, with an average rating of 4.5 stars from over 600 reviews. Riders often praise the diverse terrain, from the unique marshlands to the challenging forest paths, and the well-maintained network of routes.
Yes, the **Lumbres mountain bike trail base**, located approximately 20 km from Saint-Omer, is a significant hub for mountain biking in the Hauts-de-France region. It offers 13 dedicated mountain bike circuits ranging from 11 to 74 km, along with services like bike rentals, maintenance, and repair facilities. You can find more information about this base at tourisme-saintomer.com.
The diverse landscapes of Saint-Omer offer good mountain biking opportunities throughout much of the year. Spring and autumn are particularly pleasant, with milder temperatures and beautiful scenery as the marshlands and forests change colors. While winter conditions can vary, some trails remain accessible, though certain marshland paths might be wetter. Summer is also popular, but be prepared for potentially warmer weather.
Absolutely. The unique **Marais Audomarois** marshlands are a highlight of the region, and several mountain bike routes traverse this area. For instance, the 'La Cuvette' trail at Clairmarais is known for taking riders through the heart of these marshlands and the Rihoult-Clairmarais forest, offering a distinct experience among the market gardening fields bordered by water.
Saint-Omer has a train station (Saint-Omer station) which can serve as a starting point for exploring the area. While direct access to all trailheads by public transport might be limited, you can often reach the town and then cycle to nearby trail starting points or the Lumbres mountain bike base. It's advisable to check local bus schedules for connections to smaller villages near trailheads.
Yes, the region's undulating landscapes, particularly around Lumbres and the Bléquin valley, offer several scenic viewpoints. Routes like 'La Roussie in Lumbres' lead to areas such as Mount Drionville, one of the highest points in the department, providing expansive views of the surrounding countryside and the Côteaux de l'Aa nature reserve. Forested trails also offer picturesque vistas through the trees.


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