4.5
(1758)
10,345
hikers
31
hikes
Dog friendly hiking trails around Saint-Omer traverse a diverse landscape characterized by the unique UNESCO-recognized Marais Audomarois wetlands, extensive forests like Rihoult-Clairmarais, and the varied terrain of the Aa Valley. The region features a network of canals, pastures, and agricultural plots, alongside limestone hillsides offering panoramic views. This area provides a mix of flat marshland paths and more undulating routes through woodlands and river valleys.
Last updated: May 21, 2026
4.6
(41)
182
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.6
(29)
167
hikers
15.8km
04:04
70m
70m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.5
(6)
35
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.7
(3)
28
hikers
24.3km
06:31
300m
300m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.8
(9)
45
hikers
8.92km
02:24
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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In the vicinity of the chapel, in clear weather, you have a beautiful view. To the north, you can see Cap Blanc Nez and even the cranes of the port of Dunkirk. To the south, you also have a beautiful view of the hilly hinterland.
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This former water mill was built at the end of the 18th century with stones from the castle ruins that once belonged to Anton of Burgundy. Proof of this can be found on a lintel bearing the coat of arms and motto ‘Nul ne s’y frotte’ (nobody touches it) of Anton of Burgundy. Anton of Burgundy (1421-1504) was knighted into the Order of the Golden Fleece. The typical chain of this order is also visible on the lintel around the shield.
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The Barrière Flamande is a gate whose top beam, which holds the entire gate together, is made from a single piece of wood, with the stump acting as a counterweight. Well-balanced on its pivot point, this gate opens effortlessly.
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Ruined chapel on a chalk ridge with extensive views and abundant wildflowers.
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A magnificent little village whose town was laid out parallel to the Hem river. Its old center forms a medieval castle town. Once fortified, it was organized around a square and a castle known since the 13th century. In the 15th century, Tournehem Castle became the residence of the Dukes of Burgundy.
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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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The old heart of Tournehem, parallel to the Hem watercourse, is an original castle town dating back to the Middle Ages. Formerly a fortified town, the town was built around a square and a castle known since the 13th century. In the 15th century, Tournehem Castle became the residence of the Dukes of Burgundy. Today, the medieval gate has been preserved, through which visitors enter the village. There, they will discover a remarkable collection of chalk buildings (houses, church, mill). Take advantage of your visit to discover the treasures of the Saint-Médard church (open every day from 10am to 6.30pm) (Gothic tradition from the 17th and 18th centuries), such as the organ and the 8 panels depicting the Passion of Christ, which are classified as Historical Monuments.
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There are over 30 dog-friendly hiking trails around Saint-Omer, offering a variety of experiences for you and your canine companion. These routes range from easy strolls to more challenging hikes, ensuring there's something for every fitness level.
The Saint-Omer region offers incredibly diverse landscapes for dog-friendly hikes. You can explore the unique wetland environment of the Marais Audomarois, with its network of canals and ditches, or wander through significant forest areas like the Rihoult-Clairmarais forest. Other options include the scenic Aa Valley with its limestone hillsides, and even coastal dunes and marshes at the Platier d'Oye National Nature Reserve.
Yes, Saint-Omer has several easy dog-friendly trails perfect for a relaxed walk. One excellent option is the Chapelle Saint-Louis de Guémy – Saint-Louis Chapel of Guémy loop from Tournehem-sur-la-Hem, which offers a gentle 3.9 km path. These easier routes often feature minimal elevation gain and well-maintained paths.
Absolutely! Many of the dog-friendly trails around Saint-Omer are circular, allowing you to start and end at the same point without needing to arrange transport. An example of a moderate circular route is the Behind Guemy – Saint-Louis Chapel of Guémy loop from Bonningues-lès-Ardres, which covers nearly 12 km.
Dog-friendly trails in Saint-Omer often lead to fascinating landmarks and natural features. You can discover the unique wetland ecosystem at the Romelaëre Nature Reserve Circuit, or explore the coastal beauty of the Platier d'Oye National Nature Reserve. For a touch of history, some routes pass by sites like the Boat Lift of Fontinettes or even historical bunkers.
Yes, some trails provide excellent viewpoints, particularly in areas like the Aa valley. While specific viewpoint routes are numerous, a more challenging option that includes scenic vistas is the Viewpoint – Saint-Louis Chapel of Guémy loop from Clerques, which is a longer route with significant elevation changes, rewarding hikers with expansive views.
The dog-friendly trails around Saint-Omer are highly rated by the komoot community, with an average score of 4.5 stars from over 1,600 ratings. Reviewers often praise the region's diverse landscapes, from the mystical marshes to the tranquil forests, and appreciate the well-maintained paths suitable for walking with dogs.
The Audomarois Marshes are a defining feature of the region, offering unique water-based experiences. A great dog-friendly option to explore this area is the From one bank to the other – Ferry crossing loop from Clairmarais. This route allows you to immerse yourself in the marshland environment, which is rich in biodiversity.
Saint-Omer offers pleasant hiking conditions for dogs throughout much of the year. Spring and autumn provide mild temperatures and beautiful scenery, with fewer crowds. Summer can be warm, so early morning or late afternoon hikes are recommended, especially for dogs. Winter walks are also possible, but be mindful of potentially muddy conditions in marshland areas.
While many trails are dog-friendly, it's always best to keep your dog on a leash, especially within nature reserves like the Marais Audomarois or the Platier d'Oye National Nature Reserve. This helps protect local wildlife and ensures a pleasant experience for all visitors. Always clean up after your dog to maintain the natural beauty of the area.
For experienced hikers and their energetic dogs, Saint-Omer offers more challenging routes. The Viewpoint – Saint-Louis Chapel of Guémy loop from Clerques, for example, is a difficult 24.3 km trail with significant elevation gain, providing a rewarding adventure through varied terrain.


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