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Our Lady Basilica (Boulogne-sur-Mer, France)

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General information about the Basilica of Our Lady

The Our Lady Basilica of Boulogne-sur-Mer is a majestic church, say cathedral, stands on the hilltop in the old part of town, near the castle. It dominates the whole city. You can notice it from afar. If you want to take a nice overview photo, go to the very tall monument of Napoleon in Wimille. The building is so big that you really have no choice but to go there if you want to capture the building in its entirety.

Photo taken July 24, 2022 when renovation work was still in full swing.

The particularly large dome is no less than 85 meters high (inside) and 101 meters outside. It was worked on for about 30 years (period 1827 to 1857) and weighs a whopping 17 million kilograms! There are beautiful frescoes on display that also date from that era. They are systematically deteriorating and people are trying to restore them as much as possible. Still very worthwhile to see what constructions were made back then!

On May 13, 2023, the great dome of the Basilica of Our Lady of Boulogne-sur-Mer reopened to the public after years of renovation.

this cathedral also has a public secret: underground is the largest crypt in France with many murals and also remnants from the time of the Romans. A unique feature.
The church is free to enter, the crypt is paying.

It is the Association Cathédrale Boulogne-sur-Mer that is supervising the restoration work.

Visitor tips for the Basilica of Our Lady

General tips:
1) if you are looking for other nearby attractions, consult our Tourist map of Top.Vlaanderen.
2) You can consult our overview lists: by category ( e.g. timeline, size, ...) or by region
3) You can also always consult tourist services: see our overview of tourist services

Tip: Don't forget to visit the crypt ! And the rest of Boulogne-sur-Mer 😉.

Geographical information

Address: Rue de Lille, Boulogne-sur-Mer, Hauts-de-France, France
Geographic coordinates:
Google Maps: Latitude = 50.7260837 – Longitude = 1.6145571
Open Street Maps: Latitude = 50.726189 – Longitude = 1.615230
Altitude h = 64 m
Location of Our Lady Basilica on:
Tourist map of Top.VlaanderenGoogle MapsOpenStreetMap.
Route to Our Lady Basilica: Route via Google Maps

Meteo

loader-image
Saint-Martin-Boulogne, FR
07:25, 01/17/2026
weather icon 8°C
Low: High:
cloudy
Sunrise 08:47
Sunset 17:19
Humidity 94 %
Pressure 1013 mb
Wind 12 Km/h SSE
Wind Gust 19 Km/h
UV Index 0
Precipitation 0.2 mm
Clouds 100%
Rain Chance 0%
Visibility 10 km
Day Condition Temperature Precipitation Rain Chance Wind Humidity Pressure
Today 22:00
weather icon light rain
7° | 8°°C 0.2 mm 20% 12 Km/h 92 % 1020 mb
Tomorrow 22:00
weather icon cloudy
5° | 9°°C 0 mm 0% 12 Km/h 93 % 1020 mb
Mon Jan 26 10:00 p.m.
weather icon slightly cloudy
4° | 8°°C 0 mm 0% 13 Km/h 89 % 1019 mb
Tue Jan 26 10:00 p.m.
weather icon slightly cloudy
5° | 9°°C 0 mm 0% 15 Km/h 91 % 1019 mb
Wed Jan 26 10:00 p.m.
weather icon cloudless
4° | 8°°C 0 mm 0% 23 Km/h 92 % 1014 mb
1 to 8 of 0 results
Hour Condition Temperature Precipitation Rain Chance Wind Humidity Pressure
Today 10:00
weather icon light rain
6° | 8°°C 0.2 mm 20% 11 Km/h 81 % 1015 mb
Today 13:00
weather icon cloudy
8° | 10°°C 0 mm 0% 11 Km/h 83 % 1016 mb
Today 16:00
weather icon cloudy
10° | 10°°C 0 mm 0% 8 Km/h 85 % 1018 mb
Today 19:00
weather icon partly cloudy
8° | 8°°C 0 mm 0% 11 Km/h 91 % 1019 mb
Today 22:00
weather icon cloudy
8° | 8°°C 0 mm 0% 12 Km/h 92 % 1020 mb
Tomorrow 01:00
weather icon cloudy
8° | 8°°C 0 mm 0% 8 Km/h 91 % 1020 mb
Tomorrow 04:00
weather icon cloudy
7° | 7°°C 0 mm 0% 12 Km/h 92 % 1020 mb
Tomorrow 07:00
weather icon cloudy
7° | 7°°C 0 mm 0% 12 Km/h 93 % 1019 mb
1 to 8 of 0 results

Starry sky above the Basilica of Our Lady

Internet information from and about the Basilica of Our Lady

Location on the Top.Vlaanderen map.
Location on Google Maps.
Wikipedia page about the basilica: DutchFrench
The basilica onthe website of the City of Boulogne-sur-Mer.
Social media of the Association Cathédrale Boulogne-sur-Mer: websiteFacebook

Tourist Office “Boulonnais au Top”:
WebsiteFacebookInstagram
Tourist Office “Pas-de-Calais Tourisme”:
WebsiteFacebookInstagram
Tourist Office “Groupes Pas-de-Calais”:
Website

Our photos of the Basilica of Our Lady

Spherical 360° photos

360° HR/HDR photos taken on May 30, 2023:

Exterior shots:

Dome section:

Rest of Basilica:

Outdoor shots - Night:

Secret Link