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Monument

The Belfry

Boulogne-sur-Mer, Opal Coast

About this place

Standing 47 meters tall, the belfry towers over the old town of Boulogne-sur-Mer. Originally the keep of the first castle of the Counts of Boulogne before being converted into a belfry, this massive structure commands respect and sparks curiosity.

Indeed, the architectural evolution of the city’s oldest building bears witness to the eventful history of France’s leading fishing port:
* In the 12th century, it was a Romanesque structure featuring eight large pointed-arch windows and a thatched spire.
* In the following century, King Louis IX ordered the demolition of the upper section after the bourgeoisie of Boulogne refused to finance the Crusades.
* Following a fire in 1712, the old roof, crowned with dormers, was replaced by the current octagonal upper story in 1920.
* In 1933, the dwellings that had enclosed it were demolished.

Watchtower, prison, bell tower… the belfry fulfilled all its defensive functions until the death of the last watchman in 1931.
Today, the belfry houses a museum featuring a collection of Gallo-Roman statuettes and antique furniture crafted in Boulogne.

Designated a historic monument in 1926, it is now flanked by the 18th-century city hall, built of stone and pink brick. Inside the town hall, visitors can see the city’s coat of arms carved beneath the roof, as well as beautiful rooms such as the “Governors’ Hall” and the “Wedding Hall,” which are open to the public.

Guided tours are available in French, English, and German upon request at the tourist office.

What to do nearby?

Upcoming events in Boulogne-sur-Mer.

Culture 1 August → 30 September

A Tropical Getaway

Boulogne-sur-Mer

The “Tropical Escape” exhibition transports visitors to the heart of coral reefs and mangroves, true treasures of biodiversity. With its dazzling lagoons, fluorescent corals, and fascinating species, this immersive exhibition invites visitors to escape… and to become more aware. For these natural treasures are fragile in the face of human threats and climate change.
Culture 12 September → 13 September

Beurière Festival

Boulogne-sur-Mer

During the Fête de la Beurière, the final staircase-lined street and the fishermen’s houses in the old sailors’ quarter are restored to their early 1900s appearance and host artisans and small maritime trades, as well as a food court. Les Soleils Boulonnais and Lou Gerbassou, from Ambazac in the Limousin region, will perform songs and dances. Take advantage of the festival to visit the Maison de la Beurière and learn about the lives of sailors and their families. Free admission.
Culture 18 September

"Nausicaä: 35 Years of Boulogne History" Event

Boulogne-sur-Mer

"Nausicaä: 35 Years of History in Boulogne" Event On September 18, 2026, in Boulogne-sur-Mer, join us at the Maison de la Beurrière for a one-of-a-kind evening. Christine Leprêtre of Nausicaä and Jean-Pierre Ramet, president of the Maison de la Beurrière, will present the history of Nausicaä, from the initial project to the National Maritime Center. This evening will be an opportunity to discover the history of Nausicaä through several themed segments, punctuated by anecdotes and interactions with the audience. Christine Leprêtre and Jean-Pierre Ramet will share their passion for local history and reveal the secrets of Nausicaä. Join us at the Maison de la Beurrière for an unforgettable cultural evening!

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