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Punta Mera Posterior Lighthouse

Fl White 4s🇪🇸Oleiros, ESOperational

Location & Light Range

About Punta Mera Posterior Lighthouse

The Punta Mera Posterior lighthouse, built in 1918, is an octagonal tower painted white, standing 14 meters tall. It is situated on the Rúa Emilio Ferreiro, approximately 300 meters east-southeast of the corresponding front light. This arrangement forms part of a range system designed for coastal navigation. The light emits a white flash every 4 seconds from a focal height of 81 meters, with a geographic range of 22.8 nautical miles. The lighthouse structure includes a lantern and a gallery.

Why it matters: This lighthouse functions as a rear range light, working with its front counterpart to offer precise directional guidance for vessels navigating the coastal waters near Oleiros.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
81m
Light Range
8NM (14.8 km)
Geographic Range
22.8NM

Construction & History

Year Built
1918

References & Identifiers

Nearest Port
La Coruna(0.7 km)
Admiralty No.
D1708
NGA No.
113-2556
ARLHS No.
SPA-295
Wikidata
Q29954710 →

Tower & Structure

Tower Height
14m
Tower Shape
octagonal
Tower Color
white

Structure: octagonal tower with lantern and gallery, painted white

Location

City
Oleiros
Country
🇪🇸Spain
Region
Galicia
Sea Region
Located on the Rúa Emilio Ferreiro, 300 m east southeast of the front light, forming part of a range system for coastal navigation.
Latitude
43.3826°
Longitude
-8.3513°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How far offshore can Punta Mera Posterior Lighthouse be seen?+
With a focal height of 81 meters and a nominal range of 8 nautical miles (approximately 14.8 km), Punta Mera Posterior is visible from well offshore under standard atmospheric conditions. Actual visibility depends on observer height, weather, and sea state. This range makes it a significant coastal navigation aid for vessels transiting the area.
How do mariners identify Punta Mera Posterior Lighthouse at night?+
Punta Mera Posterior displays the characteristic Fl White 4s. 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 Punta Mera Posterior Lighthouse guide vessels into?+
Punta Mera Posterior Lighthouse assists vessels approaching 5 nearby ports. The closest is La Coruña (A Coruña) at 1.9 NM to the SSW. Other ports served include Sada (4.7 NM ESE), ARES (5.4 NM ENE), Mugardos (6.6 NM NE), Ferrol (7.8 NM NE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Punta Mera Posterior Lighthouse still active and maintained?+
Yes, Punta Mera Posterior 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 Punta Mera Posterior Lighthouse?+
You can track vessels near Punta Mera Posterior 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.