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Masao Lighthouse

Fl Red 5s🇵🇭PHOperational

Location & Light Range

About Masao Lighthouse

Also known as: Masao (Butuan)

This cylindrical concrete tower stands 11 meters tall and is painted white. Its design features a round, barbell-like shape. The lighthouse emits a single red flash every five seconds to aid navigation. It is situated on a hillside overlooking Masao Port and the entrance to the Agusan River. The nearest port facilities are just 0.4 kilometers away.

Why it matters: The lighthouse is essential for vessels entering the Agusan River, a significant trade and transport route leading to Butuan. It guides ships safely into Masao Port, warning them of natural hazards.

Light & Optic

Characteristic Signature
Fl Red 5s
Flash Type
Flashing
Light Color
Red
Interval
5s
Raw Code
Fl R 5s

Location

Country
🇵🇭PH
Latitude
9.0112°
Longitude
125.5034°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Material
concrete

Structure: round barbell-shaped white concrete tower

References & Identifiers

Nearest Port
Butuan Bay/Masao(0.4 km)
Admiralty No.
F2257.
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Frequently Asked Questions

How do mariners identify Masao Lighthouse at night?+
Masao displays the characteristic Fl Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Masao Lighthouse guide vessels into?+
Masao Lighthouse assists vessels approaching 5 nearby ports. The closest is Butuan Bay/Masao at 4.1 NM to the SSE. Other ports served include Anakan/Masao (5.2 NM W), Masao (5.2 NM W), Magellanes/Masao (5.2 NM W), Nasipit/Masao (10.1 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Masao Lighthouse still active and maintained?+
Yes, Masao 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 Masao Lighthouse?+
You can track vessels near Masao 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.