Name and Location

The Boulogne-sur-Mer Lighthouse is located in the heart of Boulogne-sur-Mer, France.

Construction and History

The Boulogne-sur-Mer Lighthouse was built in 1849 to guide ships safely into the port of Boulogne-sur-Mer. The original structure was designed by engineer François Leleu and stood at a height of 17 meters (56 feet). Over the years, the lighthouse underwent several renovations and expansions, including the addition of a new tower in 1885.

Architecture and Materials

The current tower stands at a height of approximately 6 meters (20 feet) and is constructed from stone and brick. The structure features a striking green color and a unique architectural design that blends seamlessly into the surrounding landscape.

Light and Navigation

The Boulogne-sur-Mer Lighthouse emits a characteristic F (Fl) light signal every 15 seconds, with a range of approximately 5 kilometers (3.1 miles). The light is emitted from a height of 17 meters (56 feet), providing a clear and consistent guide for mariners.

Accessibility and Visiting

Visitors can access the Boulogne-sur-Mer Lighthouse via Rue Léon CALON in the heart of Boulogne-sur-Mer. The lighthouse is open to the public during specified hours, offering guided tours and stunning views of the surrounding coastline.

Notable Facts and References

• The Boulogne-sur-Mer Lighthouse is listed as reference A 1180 in the French National Geographic Institute's (IGN) dataset.
• It also features prominently in the US NGA Pub. 114, a publication on aids to navigation.

Technical and Operational Details

The lighthouse serves as a minor aid to navigation, providing an important reference point for mariners in the region. Although no longer used as a working lighthouse, the structure remains an important part of France's rich maritime heritage.