4.3
(879)
7,168
riders
595
rides
No traffic touring cycling routes around Saint-Omer offer a diverse landscape for cyclists, primarily defined by the extensive Marais Audomarois, a UNESCO-listed marshland with a complex network of canals and waterways. The region features flat sections ideal for relaxed rides, alongside rolling landscapes and gentle undulations. Cyclists can also find routes traversing picturesque villages and some areas with more challenging climbs and expansive vistas.
Last updated: May 21, 2026
4.0
(8)
24
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.6
(5)
11
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
Hard bike ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.
2
riders
74.1km
04:41
530m
530m
This difficult 46.0-mile touring cycling loop from Audruicq explores the diverse landscapes of the Réserve biologique dirigée de Long Chêne.
3.0
(1)
223
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Saint-Omer
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Traffic-free bike rides around Oye-Plage
Many centuries ago, our ancestors discovered the possibility of harnessing the power of the elements—which, on the one hand, were helpful and useful, but on the other hand, as untamed forces of nature, could also be a threat—for various purposes, thus eliminating the need for human or animal muscle power. Mills such as these are a good example of the human engineering skills of earlier generations: The heavy millstones used to grind grain or press oil, for example, could be powered by wind or—as in this case—water.
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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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The remaining bunker Wn MKB Oye Plage is an impressive remnant of the Second World War and is part of the Atlantic Wall. This bunker is a slanted observation tower designed to resemble a church doorway, in order to mislead British anti-aircraft gunners. The tower is still slanted due to a failed attempt to destroy the building with explosives before the German troops withdrew. The bunker is four storeys high and contains openings for observation and range finding. The internal staircases have been removed for security reasons, so that only the ground floor is accessible. Inside the bunker you can still see the remains of the iron doors and loopholes. .
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If in the area why not, otherwise a little thin, site no longer active, needle..highest point..not accessible..still a little hungry...
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The Leaning Tower of Oye-Plage is a German blockhouse from the Second World War, designed to imitate a church steeple and mislead British aviators. Located a few kilometers north of the real bell tower, it resisted post-war demolition attempts, remaining tilted about twenty degrees, hence its nickname.
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This Spanish mill was built around 1635, on the banks of the Lacquette River. It produced flour until 1938, then milling for livestock. It was bought in 1974 to be transformed into a home. It is built with brick and stone (white limestone). All that remains of the original building is the north gable (17th century), and also a porch. The water wheel is still in place but it no longer turns. The dam forms a pretty waterfall. A turret was added on the river side. It is a very beautiful private home with a beautiful garden in which you can see a stone fountain.
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There are over 575 touring cycling routes around Saint-Omer that prioritize traffic-free sections. These routes cater to various fitness levels, with 210 easy, 248 moderate, and 117 difficult options available.
The best seasons for traffic-free cycling in Saint-Omer are spring and autumn. During these times, the climate is mild, and the landscape's colors are vibrant, making for a more enjoyable experience through the marshes and rolling countryside.
Yes, Saint-Omer offers several easy, traffic-free routes perfect for families and beginners. An example is the Saint Willibrord Church ⛪ – Porte aux Boules loop from Saint-Folquin, which is relatively flat and covers about 25 km, providing a relaxed ride away from cars.
Many routes traverse the unique Marais Audomarois, a UNESCO-listed biosphere reserve. You can also explore the Romelaëre Ponds Nature Reserve, a remnant of 19th-century peat cutting, or the Platier d'Oye National Nature Reserve, known for migratory birds and coastal dunes.
Yes, many of the traffic-free routes are designed as loops. For instance, the The mills of Rebecques and des Invalides by the pond of Rebecques — loop from Aire-sur-la-Lys offers a moderate circular ride of over 45 km, taking you through scenic landscapes and past historic mills.
While specific cafes are not always directly on every traffic-free path, many routes pass through or near charming villages and towns where you can find local eateries. The Audomarois Tour, for example, covers a significant distance and will bring you close to several opportunities for refreshments in the surrounding communities.
The traffic-free routes in Saint-Omer are highly rated by the komoot community, with an average score of 4.36 stars. Reviewers often praise the tranquility of the Marais Audomarois, the well-maintained canal-side paths, and the opportunity to explore the region's unique natural beauty away from vehicle noise.
For experienced cyclists seeking a longer, traffic-free challenge, routes like La forêt de Tournehem — loop from Tournehem-sur-la-Hem offer a more difficult experience. This route covers nearly 59 km with significant elevation changes, providing a rewarding ride through the regional natural park.
Parking is generally available in the towns and villages that serve as starting points for these routes. For example, if you plan to cycle the Plage des Hemmes de Marck and the chemin des Dunes loop, you would typically find parking options in Les Ecardines or nearby coastal communities.
Yes, many routes offer glimpses of the region's rich history. While cycling, you might pass by sites such as the Écardines Bunkers or the impressive Boat Lift of Fontinettes. The town of Saint-Omer itself boasts historic sites like the Gothic Notre-Dame Cathedral and the ruins of Saint-Bertin Abbey, which can be explored before or after your ride.
Saint-Omer has a train station (Saint-Omer station) which can be a starting point or an access point for routes. While specific bike-on-train policies vary, using public transport to reach the region and then cycling from there is a viable option for many visitors.


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