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Bajo Piedra Seca Lighthouse

Fl (3) Green 9s🇪🇸ESOperational

Location & Light Range

About Bajo Piedra Seca Lighthouse

A cylindrical stone tower, 12 meters high, marks the Bajo Piedra Seca shoal in the Ría de Arousa. It is painted white with a green band encircling its upper section and features a double gallery. The lighthouse emits a single green flash every 9 seconds, visible for 11 nautical miles. This structure is located about 1.2 kilometers east of Isla de Rua. The site is accessible by boat, though the tower itself is closed to the public. The nearest port is Ribeira, located 3 kilometers away.

Why it matters: This lighthouse warns mariners of the submerged Bajo Piedra Seca shoal within the Ría de Arousa, ensuring safe passage through this busy Galician estuary. Its unique double gallery design adds a distinct architectural feature to the local maritime scenery.

Light & Optic

Characteristic Signature
Fl (3) Green 9s
Flash Type
Flashing
Light Color
Green
Flash Count
3 flashes
Interval
9s
Raw Code
Fl G 9s
Focal Height
12m
Geographic Range
11NM

Location

Country
🇪🇸Spain
Sea Region
Located in the center of the Ría de Arousa, about 1.2 km east of the Isla de Rua.
Latitude
42.5489°
Longitude
-8.9188°

References & Identifiers

Nearest Port
Ribeira(3.0 km)
Admiralty No.
D1824
NGA No.
2752

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
white with a green band around the top
Material
stone

Structure: round stone tower with double gallery, painted white with a green band around 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 Bajo Piedra Seca Lighthouse at night?+
Bajo Piedra Seca displays the characteristic Fl (3) Green 9s — 3 green flashes every 9 seconds. 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 Bajo Piedra Seca Lighthouse guide vessels into?+
Bajo Piedra Seca Lighthouse assists vessels approaching 5 nearby ports. The closest is ISLA DE AROSA at 2.6 NM to the ENE. Other ports served include Puebla del Caramiñal (3.1 NM NNW), Ribeira (Santa Uxia) (3.2 NM W), POBRA DO CARAMINAL (3.5 NM N), Santa Eugenia (3.6 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Bajo Piedra Seca Lighthouse still active and maintained?+
Yes, Bajo Piedra Seca 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 Bajo Piedra Seca Lighthouse?+
You can track vessels near Bajo Piedra Seca 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.