Hôtel de Ville

Boulogne-sur-Mer's red-brick town hall was built in 1734, but its 37m-high square medieval belfry dates from the 12th century. It's free to climb the belfry, which houses a small museum containing Celtic and Roman artefacts.

Book popular activities

Lonely Planet may earn a commission from affiliate links on our site. All recommendations and reviews reflect our own independent opinions.

Must-see attractions

Explore all