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Île d'Houat (Jetée de St. Gildas) Lighthouse

Fl Green 6s🇫🇷FROperational

Location & Light Range

About Île d'Houat (Jetée de St. Gildas) Lighthouse

Constructed in 1957 from stone, this masonry tower stands 5 meters tall on the Île d'Houat at the end of the St. Gildas jetty. The light is displayed from a short mast atop the structure, with a focal height of 8 meters. It emits a green flash every 6 seconds, visible for 9.7 nautical miles. The lighthouse marks the entrance to the island's harbor, a safe haven for local vessels. The site is open to the public, though the tower itself is closed.

Why it matters: This lighthouse is essential for guiding vessels into the harbor on Île d'Houat, providing safe passage for fishing boats and pleasure craft.

Light & Optic

Characteristic Signature
Fl Green 6s
Flash Type
Flashing
Light Color
Green
Interval
6s
Raw Code
Fl G 6s
Focal Height
8m
Geographic Range
9.7NM

Construction & History

Year Built
1957

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
5m
Material
stone

Structure: masonry tower with gallery; the light is displayed from a short mast

Location

Country
🇫🇷France
Sea Region
Island of Houat, France, at the St. Gildas jetty
Latitude
47.3928°
Longitude
-2.9556°

References & Identifiers

Nearest Port
Hoedic(4.4 km)
ARLHS No.
FRA-627
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Frequently Asked Questions

How do mariners identify Île d'Houat (Jetée de St. Gildas) Lighthouse at night?+
Île d'Houat (Jetée de St. Gildas) displays the characteristic Fl Green 6s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Île d'Houat (Jetée de St. Gildas) Lighthouse guide vessels into?+
Île d'Houat (Jetée de St. Gildas) Lighthouse assists vessels approaching 5 nearby ports. The closest is ILE D'HOUAT at 0 NM to the WSW. Other ports served include Hoedic (4.4 NM SE), AUX MOINES (7.8 NM NE), LE PALAIS (8.5 NM WSW), Quiberon (8.5 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Île d'Houat (Jetée de St. Gildas) Lighthouse still active and maintained?+
Yes, Île d'Houat (Jetée de St. Gildas) 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.
How can I track vessels near Île d'Houat (Jetée de St. Gildas) Lighthouse?+
You can track vessels near Île d'Houat (Jetée de St. Gildas) 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.