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France
Hauts-De-France

Saint-Omer

The best walks and hikes around Saint-Omer

4.5

(1738)

10,346

hikers

691

hikes

Hiking around Saint-Omer offers diverse outdoor experiences within the Pas-de-Calais department of northern France. The region is characterized by the extensive Marais Audomarois wetlands, a UNESCO-recognized biosphere reserve, and the large Forêt de Clairmarais. These landscapes provide a network of trails through watercourses, canals, and woodlands.

Best hiking trails around Saint-Omer

  • The most popular hiking route is Le marais audomaroiss — loop from Clairmarais in the parc naturel régional des Caps et marais d'Opale, a 4.7 miles (7.6 km) trail that takes 1 hour 55 minutes to complete. This easy route explores the unique cultivated marshland environment.
  • Another top favourite among local hikers is Platier d'Oye Loop, a moderate 5.5 miles (8.8 km) path. This trail offers coastal dunes and marshland scenery, ideal for observing migratory birds.
  • Local hikers also love the Tour of the Audomarois Trail, a 6.8 miles (11.0 km) trail leading through the Parc naturel régional des Caps et marais d'Opale, often completed in about 3 hours.
  • Hiking around Saint-Omer is defined by extensive wetlands, dense forests, and coastal dunes, all within the Regional Natural Park of Caps and Opal Marshes. The network of trails offers options for various ability levels, from easy family-friendly hikes to more challenging routes.
  • The routes in Saint-Omer are highly rated by the komoot community with an average score of 4.5 stars from over 1,600 reviews. More than 9,800 hikers have used komoot to explore Saint-Omer's varied terrain.

Last updated: May 10, 2026

4.7

(117)

481

hikers

#1.

Le marais audomaroiss — loop from Clairmarais in the parc naturel régional des Caps et marais d'Opale

7.60km

01:55

10m

10m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

4.5

(74)

250

hikers

8.82km

02:13

10m

10m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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4.1

(23)

70

hikers

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Saint-Omer

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Via Francigena in the Pas-de-Calais – GR 145

Hiking Collection by

Pas-de-Calais Tourisme

Tips from the Community

Dirk & Charlotte
April 12, 2026, Uitkijkpunt nabij Capelle Saint-Louis.

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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Closed until March 15th

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Please note: closed until March 15th

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Name is St. Bertinus

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Here on the Opal Coast in France at Oye Plage near Grand Fort Philippe are the historical remains of the German positions from World War II.

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Sylvie
August 1, 2025, Une tourbière

peat bog information

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nature reserve where you can take a short circular walk (1 hour) and go to the observatory

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Frequently Asked Questions

How many hiking trails are available around Saint-Omer?

There are over 690 hiking routes available around Saint-Omer, catering to various difficulty levels. The komoot community has contributed significantly, with over 9,800 hikers exploring the area and leaving more than 1,600 reviews.

What kind of terrain can I expect on hikes in Saint-Omer?

The terrain around Saint-Omer is incredibly diverse. You'll find extensive wetlands, particularly in the UNESCO-recognized Marais Audomarois, with intricate networks of watercourses and market gardens. There are also dense woodlands in the Forêt de Clairmarais, and even coastal dunes and marshes near the Platier d'Oye National Nature Reserve. The region is generally flat, especially in the marshlands, but some areas within the Parc Naturel Régional des Caps et Marais d'Opale offer gentle hills and varied landscapes.

Are there any easy, family-friendly hiking options in Saint-Omer?

Yes, Saint-Omer offers many easy and family-friendly routes. For instance, the Le marais audomaroiss loop from Clairmarais is an easy 7.6 km trail exploring the unique marshland. The Romelaëre Ponds Nature Reserve also features easily accessible paths like the 4 km Cormorant Trail, perfect for nature observation with children. The Saint-Omer Public Garden also provides pleasant walking paths within the town.

Can I bring my dog on the hiking trails in Saint-Omer?

Many trails in the Saint-Omer region are dog-friendly, especially those in the larger natural areas like the Forêt de Clairmarais and parts of the Marais Audomarois. However, it's always recommended to keep dogs on a leash, particularly in nature reserves such as the Romelaëre Ponds or Platier d'Oye, to protect local wildlife. Always check local signage for specific restrictions.

Are there any circular hiking routes near Saint-Omer?

Yes, many of the popular hikes around Saint-Omer are circular routes. Examples include the Le marais audomaroiss loop from Clairmarais, the Platier d'Oye Loop, and the Saint-Omer loop around the city center. These loops offer convenient starting and ending points, often returning you to your original location.

What natural features or landmarks can I see while hiking in the Saint-Omer area?

Hikers can discover a wealth of natural beauty and historical landmarks. The Romelaëre Ponds Nature Reserve is a highlight for birdwatching, while the Platier d'Oye National Nature Reserve offers coastal dunes and migratory bird spotting. You can also encounter historical sites like the Écardines Bunkers or the impressive Boat Lift of Fontinettes, which blends nature with industrial heritage.

Are there any long-distance hiking trails in the region?

Yes, for those seeking a longer adventure, the Tour of the Audomarois Trail is a multi-day hike (typically 6-7 days) that explores the regional natural park. This trail offers an immersive experience through the diverse landscapes of the Audomarois marsh and surrounding areas.

Where can I find parking for hiking trails around Saint-Omer?

Parking is generally available at popular trailheads and nature reserves. For example, you'll find designated parking areas near the Romelaëre Ponds Nature Reserve in Clairmarais, and at various access points to the Forêt de Clairmarais. For routes starting within Saint-Omer, public parking facilities are available in the town center. Always check specific route descriptions for detailed parking information.

Is public transport available to reach hiking trailheads?

Saint-Omer is accessible by train, with the Saint-Omer station serving as a hub. Local bus services connect Saint-Omer to surrounding villages, which can provide access to some trailheads. However, for more remote starting points, a car might be necessary. It's advisable to check local bus schedules in advance for specific routes.

What is the best time of year to go hiking in Saint-Omer?

Spring and autumn are generally the best times for hiking in Saint-Omer. In spring, the wetlands and forests burst with new life and vibrant colors, while autumn offers beautiful foliage. Summer can also be pleasant, especially in shaded forest areas, but be prepared for potentially warmer temperatures. Winter hikes are possible, particularly in the marshlands, but paths can be muddy, and some facilities might have reduced hours.

What do other hikers enjoy the most about hiking in Saint-Omer?

The area is highly rated by the komoot community, with an average score of 4.5 stars. Reviewers often praise the unique and tranquil atmosphere of the Marais Audomarois, the rich biodiversity, and the well-maintained paths through the Forêt de Clairmarais. Many appreciate the variety of trails, from easy strolls to longer excursions, and the opportunity for birdwatching.

Are there any trails that offer unique experiences, like crossing water by hand-pulled ferries?

Yes, the Audomarois marsh offers unique experiences. The Booneghem trail, for example, is a family-friendly 6 km hike that crosses the marsh and includes the unique experience of crossing the Zieux canal by chain ferries. Another route, From one bank to the other – Ferry crossing loop from Clairmarais, also features these charming hand-pulled ferries, providing a distinctive way to explore the waterways.

Most popular routes around Saint-Omer

Family-friendly hikes around Saint-Omer

Most popular attractions around Saint-Omer

Places to see

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