4.5
(1064)
5,743
hikers
26
hikes
Hiking around Longuenesse offers access to diverse landscapes within the Pays de Saint-Omer region, characterized by extensive rural areas, forests, and unique wetlands. The terrain includes the Audomarois Marshes, a UNESCO Biosphere Reserve with waterways and pastures, alongside the expansive Clairmarais Forest. Hikers can also explore plateaus and public gardens built on ancient fortifications, providing varied environments for outdoor activity.
Last updated: July 10, 2026
5.0
(1)
25
hikers
4.22km
01:05
20m
20m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
4.3
(6)
13
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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5.0
(4)
13
hikers
14.2km
03:38
60m
60m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(2)
6
hikers
7.51km
02:00
80m
80m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
10
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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in the street Jehan by Terline Blendecques
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in Arques
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near the boat lift
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commissioned in 1967, it replaced the boat lift
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There are over 20 hiking trails around Longuenesse, offering a variety of experiences. You'll find a good mix of easy and moderate routes to explore the region's diverse landscapes.
Hiking around Longuenesse features varied terrain, including the unique Audomarois Marshes with their waterways and pastures, the extensive Clairmarais Forest, and rural plateaus. Altitudes generally range from 3 to 79 meters, providing gentle ascents and descents.
Yes, Longuenesse offers several easy routes suitable for families. For instance, the Saint-Omer Public Garden – The theater loop from Longuenesse is an easy 4.3 km trail that explores a beautiful public garden, perfect for a leisurely family outing.
The region is rich in natural beauty and historical sites. You can explore the unique wetlands of the Romelaëre Ponds Nature Reserve, enjoy panoramic views from Watten Hill, or visit the historic Boat Lift of Fontinettes. Many trails also pass through the Saint-Omer Public Garden.
Yes, many of the trails around Longuenesse are circular, allowing you to start and end at the same point. An example is the moderate Royal Air Force Memorial loop from Longuenesse, which takes you across the Plateau des Bruyères.
The area is highly rated by the komoot community, with an average score of 4.5 stars from nearly 900 reviews. Hikers often praise the diverse landscapes, from the tranquil wetlands to the expansive forests, and the well-maintained paths suitable for various ability levels.
For those seeking a longer adventure, the moderate The station – Clairmarais Forest loop from Fort Maillebois covers 18.7 km through the substantial Clairmarais Forest. Another moderate option is the Demeure de Batavia – Earth and wood staircases loop from Fort Maillebois, which is about 14 km long.
The region is enjoyable for hiking throughout much of the year. Spring and autumn offer pleasant temperatures and beautiful scenery, especially in the Audomarois Marshes and Clairmarais Forest. Summer is also suitable, though some trails might be more exposed. Winter hikes are possible, but conditions can be damp, particularly in wetland areas.
Longuenesse is well-connected, and the nearby city of Saint-Omer has a train station (Saint-Omer station) which can serve as a starting point for some routes or provide access to the wider region. Many trails are also accessible by car, with parking often available near starting points.
Absolutely. Longuenesse offers 14 easy routes perfect for beginners or those looking for a relaxed walk. These trails typically have minimal elevation gain and cover shorter distances, allowing you to enjoy the scenery without strenuous effort.
The Romelaëre Ponds Nature Reserve and the broader Marais Audomarois wetland area are excellent for wildlife observation. These protected areas are home to a rich diversity of flora and fauna, including various bird species, making them ideal for nature enthusiasts.


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