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Hiking trails & Routes
France
Hauts-De-France
Saint-Omer
Esquerdes

Tour of the Audomarois Trail

Moderate

4.1

(25)

72

hikers

Tour of the Audomarois Trail

03:00

11.0km

160m

Hiking

Hike a moderate 6.8-mile loop from Esquerdes, exploring historic mills, a WWII bunker, and the diverse landscapes of Parc naturel régional d

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc naturel régional des Caps et marais d'Opale

Waypoints

A

Start point

Parking

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1

481 m

Suspension bridge over the Aa

Highlight • Other

cracks

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2

1.99 km

Le Moulin Pidoux

Highlight • Monument

Along the Aa, you can admire the historic paper mills of Hallines. The Pidoux mills are two stone buildings dating from the 15th century. They were used to produce high …

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3

4.48 km

The Dome

Highlight • Historical Site

Why not explore La Coupole d'Helfaut-Wizernes, a secret underground bunker built by the Nazis in 1943. It was a former base for storing and launching V2 rockets, the first ballistic …

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4

6.64 km

Slight climb in the shade at the beginning of a staircase at the end of the ponds

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B

11.0 km

End point

Parking

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Way Types & Surfaces

Way Types

4.78 km

3.51 km

1.81 km

780 m

122 m

Surfaces

4.68 km

3.30 km

2.13 km

903 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (100 m)

Lowest point (30 m)

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Weather

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Saturday 30 May

21°C

13°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Les moulins Pidoux and Coupole d'Helfaut-Wizernes loop start, and is there parking available?

The loop starts from Esquerdes. While specific parking details aren't provided, it's generally recommended to look for public parking options within Esquerdes, as it serves as the starting point for this hike.

Is this trail suitable for beginners?

The trail is rated as 'moderate' for hiking. While it requires a good physical condition, it's considered accessible to all levels in terms of technical skill. It's a manageable challenge for regular walkers, but beginners should be prepared for an 11 km (6.8 miles) distance with around 160 meters (525 feet) of elevation gain.

What kind of terrain can I expect on the route?

The route offers varied terrain, including flat stone sections, unpaved paths, asphalt, streets, and designated footpaths. You'll experience a mix of natural beauty and historical sites, winding through green hills and bocage landscapes.

What are the main points of interest along the trail?

Key highlights include the Suspension bridge over the Aa, the historic Le Moulin Pidoux (15th-century paper mills, one with a monumental Sagebien wheel), and The Dome (La Coupole d'Helfaut-Wizernes), a significant WWII historical site. You'll also pass through a Forest Path in Parc Naturel Régional des Caps et Marais d'Opale.

Is the trail dog-friendly?

Yes, the trail is generally dog-friendly. However, as it passes through the Parc naturel régional des Caps et Marais d'Opale and potentially near historical sites, it's always best to keep your dog on a leash and ensure you clean up after them.

Do I need any permits or have to pay an entrance fee to hike this loop or enter the Parc naturel régional des Caps et Marais d'Opale?

No, there are no specific permits or entrance fees required to hike this loop or to access the natural areas within the Parc naturel régional des Caps et Marais d'Opale. However, if you plan to visit the interior of La Coupole d'Helfaut-Wizernes, there will be an admission fee for the museum itself.

What is the best time of year to hike this trail?

The trail can be enjoyed during most seasons. Spring and autumn offer pleasant temperatures and beautiful scenery with lush green hills or vibrant fall colors. Summer is also suitable, but be prepared for potentially warmer weather. Winter hikes are possible, but check local conditions for ice or mud.

Does this trail intersect with other well-known paths?

Yes, the route intersects with several other official trails. You'll find sections that are part of the Tour de l'Audomarois, Sentier de la Rivière jaune, Lumbres - Esquerdes, La Cressonnière, Chemin des Pâtures, and Chemin du Rietz.

Are there any cafes or places to eat near the trail in Esquerdes?

As Esquerdes is the starting point, you may find local amenities like cafes or small eateries there. It's advisable to check local listings or plan to bring your own refreshments, especially if hiking outside of peak hours.

What should I bring for a hike on this loop?

For this moderate 11 km hike, we recommend bringing comfortable hiking shoes, sufficient water, snacks, and appropriate clothing for the weather conditions. A small first-aid kit and a charged phone are also good to have. If you plan to visit La Coupole, consider bringing extra time and potentially a light jacket for the underground sections.

Nearby routes

Easy

4.7

492

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

01:55h

7.60km

10m

Trail Reviews

Joachim
July 21, 2024, Die Moulins Pidoux und die Kuppel von Helfaut-Wizernes - Rundweg ab Esquerdes im Regionalen Naturpark der Kaps und Sümpfe der Opale

Both circuits are beautiful. The connecting route, which is walked twice, is unattractive.

Translated by Google
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