THE RAMPARTS
12 minute walk
Dating back to the 13th century, these magnificent medieval ramparts are among the best-preserved in northern France. Through their four historic gateways, visitors can step into the heart of the fortified Old Town, where centuries of history come to life amid cobbled streets, remarkable architecture and a rich cultural heritage. Today, the ramparts’ elevated walkway invites visitors to enjoy a leisurely stroll, offering stunning panoramic views across the town and the beautifully landscaped gardens nestled at the foot of these ancient walls.
THE CATHEDRAL
Nestled within the historic ramparts of Boulogne-sur-Mer’s Old Town, Notre-Dame Cathedral of the Immaculate Conception is a remarkable landmark steeped in history. It has been officially listed as a Historic Monument since 1982.
THE CRYPT
Located beneath Notre-Dame Cathedral, in the heart of Boulogne-sur-Mer’s fortified Old Town, lies the largest crypt in France. Spanning an impressive 1,400 m², this remarkable underground labyrinth invites visitors to explore its atmospheric vaulted chambers and winding passageways. Along the way, more than 400 fascinating exhibits and breathtaking works of art reveal the rich history and heritage of this extraordinary site.
THE CASTLE MUSEUM
The Château d’Aumont is a medieval fortress dating back to the first half of the 13th century. This remarkable historic building now houses a museum, where visitors can explore its medieval architecture and discover a rich collection of archaeological finds, fine arts and objects from around the world.
THE FISHING HARBOUR
2-minute walk
Discover the vibrant fishing port of Boulogne-sur-Mer, France’s leading fishing harbour, ideally situated on the English Channel, one of the world’s busiest international shipping routes.A true hub of maritime activity, the port is also one of Europe’s major centres for the preparation, processing and trade of seafood. Around 300,000 tonnes of fish and seafood pass through the 150 businesses based in the nearby Capécure district each year.With a diverse fleet of nearly 150 fishing vessels, the harbour welcomes daily landings of more than 70 different species, bringing an incredible variety of fresh seafood to the local fish auction.Take a stroll around the harbour and soak up its lively atmosphere, discover its rich maritime heritage and experience first-hand the deep-rooted fishing traditions that make Boulogne-sur-Mer such a special seaside destination.
NAUSICAÁ
10-minute walk
Much more than the National Sea Centre and one of Europe’s largest aquariums, Nausicaá is a true emblem of Boulogne-sur-Mer and the Hauts-de-France coastline. Deeply rooted in the region’s maritime heritage and its close relationship with the sea, it reflects the local identity while opening visitors’ eyes to the wonders of the Ocean. Through spectacular marine exhibits, immersive experiences and opportunities to learn and share, Nausicaá offers a unique journey that celebrates both the region and the ocean world.