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Îles Chausey Lighthouse

Fl White 5s🇫🇷Granville, FROperational

Location & Light Range

About Îles Chausey Lighthouse

Constructed of stone, the Îles Chausey lighthouse was built in 1847 and first lit the same year. The structure is a cylindrical stone tower, 19 meters high, rising from a two-story keeper's house. It features a lantern and gallery at its summit. This lighthouse emits a single white flash every 5 seconds, visible for nearly 17 nautical miles. During World War II, the tower sustained significant damage. Extensive reconstruction efforts were undertaken after the war, with the light returning to service in 1950. The site is open to the public, though access to the tower itself is prohibited.

Why it matters: This lighthouse serves as a control center for navigation within the bay, ensuring safe passage through the Chausey archipelago.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
39m
Geographic Range
16.9NM

Construction & History

Year Built
1847

Significant events: Damaged during World War II, extensive reconstruction following the war

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
19m
Tower Shape
cylindrical
Material
stone

Structure: square cylindrical stone tower with lantern and gallery, rising from a 2-story stone keeper's house

Location

City
Granville
Country
🇫🇷France
Region
Normandy
Sea Region
Grand Île Chausey, accessible by ferry from St.-Malo or Granville, serving as a control center for navigation in the bay
Latitude
48.8695°
Longitude
-1.8223°

References & Identifiers

Nearest Port
Chausey(0.2 km)
Admiralty No.
A1654
ARLHS No.
FRA-005
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Frequently Asked Questions

How do mariners identify Îles Chausey Lighthouse at night?+
Îles Chausey displays the characteristic Fl White 5s. Each lighthouse has a unique flash pattern published in the List of Lights, allowing mariners to positively identify it and distinguish it from other navigation aids in the area. The white color may indicate a specific sector or warning zone.
Which ports and harbors does Îles Chausey Lighthouse guide vessels into?+
Îles Chausey Lighthouse assists vessels approaching 5 nearby ports. The closest is Chausey at 0.2 NM to the NNW. Other ports served include Granville (8.9 NM ESE), Cancale (10.2 NM S), Saint-Pair-sur-Mer (10.6 NM ESE), Maitresse Island (11.3 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Îles Chausey Lighthouse still active and maintained?+
Yes, Îles Chausey Lighthouse is currently operational. It is actively maintained and continues to emit its characteristic light signal for marine navigation. Most modern lighthouses are automated and monitored remotely by the national maritime authority.
What shipping routes pass near Îles Chausey Lighthouse?+
Îles Chausey Lighthouse is located within the English Channel / North Sea corridor — one of the world's busiest maritime corridors connecting the Atlantic to Northern European ports. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Îles Chausey Lighthouse?+
You can track vessels near Îles Chausey Lighthouse in real time using MarineRadar. The platform shows live AIS positions of ships in the area, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page to open the live map centered on this lighthouse.