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Basse de Martroger Lighthouse

Q White/Red/Green🇫🇷FROperational

Location & Light Range

About Basse de Martroger Lighthouse

This cylindrical stone tower, standing 16 meters tall, is located on a shoal north of Île de Noirmoutier. Painted yellow with a black band at the top, it emits a quick-flashing white, red, or green light from a focal height of 11 meters. This light has a geographic range of 10.7 nautical miles. The site is open to the public, though access to the tower itself is restricted. Its nearest port is Pornic, located 8.1 kilometers away.

Why it matters: Basse de Martroger marks a shoal north of Île de Noirmoutier, guiding vessels through these waters. Its colored sectors provide specific warnings about hazards.

Light & Optic

Characteristic Signature
Q White/Red/Green
Flash Type
Quick
Light Color
White/Red/Green
Raw Code
Q W, R or G
Focal Height
11m
Geographic Range
10.7NM

Location

Country
🇫🇷France
Sea Region
shoal north of the northern tip of the Île de Noirmoutier
Latitude
47.0436°
Longitude
-2.2852°

References & Identifiers

Nearest Port
Pornic(8.1 km)
Admiralty No.
D1153
NGA No.
1092
ARLHS No.
FRA-546

Tower & Structure

Tower Height
16m
Tower Shape
cylindrical
Tower Color
yellow with a black band at the top
Material
stone

Structure: round stone tower, painted yellow with a black band at the top

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Basse de Martroger Lighthouse at night?+
Basse de Martroger displays the characteristic Q White/Red/Green. 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/red/green color may indicate a specific sector or warning zone.
Which ports and harbors does Basse de Martroger Lighthouse guide vessels into?+
Basse de Martroger Lighthouse assists vessels approaching 5 nearby ports. The closest is L'HERBAUDIERE at 1.2 NM to the SSW. Other ports served include PORT DE MORIN (3.6 NM S), Le Bonhomme (5.1 NM SSE), Préfailles (5.8 NM NNE), Gravette (7.2 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Basse de Martroger Lighthouse still active and maintained?+
Yes, Basse de Martroger 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 Basse de Martroger Lighthouse?+
You can track vessels near Basse de Martroger 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.