Things to Do in Boulogne-sur-Mer, France: Walking Guide

Located in the Hauts-de-France region of France, Boulogne-sur-Mer is a coastal city on the Opal Coast that blends a working fishing port, a fortified historic quarter, and the renowned Nausicaá sea centre. For travelers wondering what to see in Boulogne-sur-Mer, the city offers a compact mix of maritime life, medieval architecture, and cultural landmarks that can be explored on foot. Neywo offers a free audio guide for Boulogne-sur-Mer with 17 narrated places, letting you discover the stories behind each site at your own pace.

Explore Boulogne-sur-Mer’s highlights

Fountain of Boulogne-sur-Mer

The fountain of Boulogne-sur-Mer is a landmark in the heart of the city, serving as a central meeting point and a pleasant spot to start a walk through the old town.

Basilica of Notre-Dame de Boulogne

The Basilica of Notre‑Dame de Boulogne rises above the old town from within the ancient ramparts. Its dome reaches 101 metres (331 feet) and was built between 1827 and 1875 on the ruins of a medieval cathedral. Inside lies one of France’s largest crypts; the church was named a minor basilica in 1879 and has been protected as a historic monument since 1982.

Église Saint-Nicolas

Église Saint‑Nicolas is a Catholic church situated on Place Dalton in the city centre, providing a quiet place of worship amid the bustling streets.

Chapelle du Saint-Sang

The Chapelle du Saint‑Sang, a neo‑Gothic chapel on Avenue John‑Kennedy, houses a vial of the Holy Blood sent from Jerusalem in 1101. Built in 1859‑1860, its sculpture is by W. Farmer and its stained glass windows were crafted by C. Levêque.

Abbaye Saint-Wilmer

The site of the former Abbaye Saint‑Wilmer is now a residential block where stones from the medieval monastery were reused in walls and cellars. As you walk through the block you can see fragments of capitals, vaulting and medieval window frames built into modern façades.

Château de Boulogne-sur-Mer

The Château de Boulogne‑sur‑Mer stands at the edge of the old town, guarding the city since the 13th century. Together with the surrounding ramparts it forms one of France’s last intact medieval fortified ensembles. Since 1825 the château has housed the municipal museum of art and archaeology, whose collections include notable Greek ceramics.

Église Saint-François-de-Sales

Église Saint‑François‑de‑Sales, on Rue de Bréquerecque, is dedicated to Saint Francis de Sales, the 17th‑century bishop and Doctor of the Church known for his writings on spiritual devotion.

Église Saint-Jean-Baptiste

Église Saint‑Jean‑Baptiste is a church located in the Pas‑de‑Calais part of Boulogne‑sur‑Mer, serving the local parish community.

Église Saint-Louis

Église Saint‑Louis stands on Rue Félix‑Adam in the heart of the city, offering another place of Catholic worship amid the urban fabric.

Église Saint-Michel

Église Saint‑Michel on Place Saint‑Michel has been a spiritual landmark since the 19th century, replacing an earlier medieval church that once occupied the same square.

Église Saint-Patrick

Église Saint‑Patrick is found on Rue du Chemin‑Vert, providing a modest place of worship in its neighbourhood.

Église Saint-Pierre

Église Saint‑Pierre on Rue du Camp‑de‑Droite serves as the main parish church for this part of the city, supporting the local community in the Pas‑de‑Calais department.

Église Saint-Vincent-de-Paul

Église Saint‑Vincent‑de‑Paul in the Capécure quarter was rebuilt after its destruction in World War II. The post‑war building received the ‘Patrimoine du XXe siècle’ label in 2009 and was listed as a historic monument in 2015.

Théâtre Monsigny

Théâtre Monsigny, a municipal theatre on the street of the same name, features an Italian‑style horseshoe auditorium and continues to host performances as it has for generations of Boulogne‑sur‑Mer residents.

Arrondissement of Boulogne-sur-Mer

As the capital of the arrondissement of Boulogne‑sur‑Mer (the Boulonnais), the city administers 74 communes across the Pas‑de‑Calais department, underscoring its regional importance.

Nausicaá – National Sea Centre

Nausicaá, located on the seafront, is one of Europe’s leading marine attractions. Its enormous aquarium includes one of the continent’s largest tanks and presents marine life from around the world, making it a must‑see destination for families and nature lovers.

Explore Boulogne-sur-Mer with Neywo

Neywo’s free audio guide for Boulogne-sur-Mer includes a single walking tour: “Boulogne-sur-Mer: Inside the Walls of the Haute-Ville.” This route covers 2.28 kilometres, takes about 87 minutes, and stops at nine narrated points: the Château de Boulogne-sur-Mer, the Basilica of Notre-Dame de Boulogne, the fountain of Boulogne-sur-Mer, the Abbaye Saint-Wilmer, the Porte des Degrés, Église Saint-Nicolas, Théâtre Monsigny, Église Saint-Louis de Boulogne-sur-Mer, and église Saint-Michel de Boulogne-sur-Mer. As you reach each location, the app tells the story of the place, allowing you to explore at your own pace with no group and no schedule. Download Neywo to enjoy this self‑guided experience and discover more of what Boulogne-sur-Mer has to offer.