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Heritage Days in Saint-Omer & Dunkerque: What to do?

16 September 2025

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Why choose the Audomarois and Dunkirk areas for the Heritage Days?

Between cathedrals, belfries, canals, marshes, port museums, forts and memorial sitesThe Audomarois and Dunkirk areas are home to a wealth of heritage religious, maritime, industrial and military unique in the Hauts-de-France region. The advantage: everything on a human scale and often to 20-30 km max, so you can combine several visits in a single day without wasting time on the road.

Must-sees to (re)discover - Audomarois

Saint-Omer historic centre, old streets, private mansions; the Notre-Dame Cathedral and the remains of Saint-Bertin Abbey a thousand years of history.
The Audomarois marshes (Clairmarais, Tilques, Salperwick) : bacove walksA look at the market garden landscape and local hydraulics.
La Coupole / Wizernes-Helfaut : major site the Second World War (monumental architecture).
Aire-sur-la-Lys, Lumbres, Arques, Longuenesse, Blendecques belfries, mills, hallekerque churches and micro-museums, boat lift and nature tours.

Not to be missed - Dunkerquois

Dunkerque port heritage, museums (maritime memory, 1940), belfry listed buildings, Flemish facades; tours of reconstruction architecture.
Gravelines, Bourbourg, Bergues, Cappelle-la-Grande : fortifications and citadels (Vauban), ramparts, belfries and cloisters ; small Flemish towns full of character.
Flemish Opal Coast : great coastal landscapelighthouses, blockhouses and defensive works.

3 "JEP" micro-itineraries in the Audomarois & Dunkirk areas

1) Saint-Omer, the historic heart

Notre-Dame Cathedral & ruins of Saint-Bertin.
Sandelin Museum & a trip to Public garden.
Afternoon: boat trip to Audomarois marshes (Maison du Marais or ISNOR, Clairmarais).

2) Memory and landscapes of the Audomarois region

La Coupole (Second World War & planetarium).
Break at Aire-sur-la-Lys (UNESCO belfry, collegiate church, bailiwick).
End of the day : Watten mill or Fontinettes locks in Arques.

3) Dunkirk's maritime heritage

Belfry and Saint-Eloi church.
Port Museum & boats (Duchesse Anne, Sandettié).
Evening: Fort des Dunes in Leffrinckoucke & a walk through the Flanders dunes.

👉 Each itinerary takes one day, within a radius of 20-30 km. The ideal programme for enjoying Heritage Days without wasting any time en route.

Conclusion

The Heritage Days in theAudomarois and the Dunkirk area are the perfect opportunity to (re)discover a region full of treasures without driving for hours. And to stay as close as possible to the visits, Apart'Moment offer the ideal destination : autonomous check-in, fitted kitchens, Wi-Fi/Netflix, car parkshousing private and modular to welcome your loved ones in complete simplicity. You enjoy, we take care of the practicalities.

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