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Barra da Foz Range Rear Lighthouse

Oc Yellow 5s🇵🇹Porto, PTOperational

Location & Light Range

About Barra da Foz Range Rear Lighthouse

This range rear light is mounted on the west tower of the church of São João Baptista da Foz, a square stone structure. The light emits a single yellow flash every 5 seconds from a focal height of 38 meters. It has a geographic range of 16.7 nautical miles and marks the rear of the range for vessels entering the Rio Douro. The site is open to the public, but the tower is closed. The nearest port, Oporto, is just 0.1 kilometers away.

Why it matters: This light serves as a critical rear range marker for safe navigation into the Rio Douro. Its integration with the historic church of São João Baptista da Foz makes it a distinctive landmark within a significant architectural heritage site.

Light & Optic

Characteristic Signature
Oc Yellow 5s
Flash Type
Occulting
Light Color
Yellow
Interval
5s
Raw Code
Oc Y 5s
Focal Height
38m
Geographic Range
16.7NM

Location

City
Porto
Country
🇵🇹Portugal
Region
Porto
Sea Region
Marks the entrance range for the Rio Douro, located on the Largo da Igreja behind the Jardim do Passeio Alegre.
Latitude
41.1487°
Longitude
-8.6686°

References & Identifiers

Nearest Port
Oporto(0.1 km)
Admiralty No.
D2047.1
NGA No.
3255.5

Tower & Structure

Tower Shape
square
Material
stone

Structure: The light is mounted on the side of the square stone west tower of the church of São João Baptista da Foz.

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 Barra da Foz Range Rear Lighthouse at night?+
Barra da Foz Range Rear displays the characteristic Oc Yellow 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 yellow color may indicate a specific sector or warning zone.
Which ports and harbors does Barra da Foz Range Rear Lighthouse guide vessels into?+
Barra da Foz Range Rear Lighthouse assists vessels approaching 5 nearby ports. The closest is Porto at 1.3 NM to the ESE. Other ports served include São Pedro da Afurada (1.8 NM ESE), Senhora da Hora (2.2 NM NNE), Leixões (2.4 NM NNW), Matosinhos (2.5 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Barra da Foz Range Rear Lighthouse still active and maintained?+
Yes, Barra da Foz Range Rear 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 Barra da Foz Range Rear Lighthouse?+
You can track vessels near Barra da Foz Range Rear 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.