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Takago Iwa Lighthouse

Fl White 3s🇯🇵Tsukumi, JPOperational

Location & Light Range

About Takago Iwa Lighthouse

Takago Iwa Lighthouse stands as a cylindrical concrete tower, painted white, with a height of 8.5 meters. Its light is positioned 19 meters above sea level and emits a white flash every 3 seconds, visible for 12.9 nautical miles. This structure is situated at the end of a long reef extending into the Bungo Strait, near Tsukumi in Japan's Oita Prefecture. The lighthouse is accessible by boat, with the nearest port being Youra, 3.3 kilometers away. While the site is open to visitors, the tower itself is closed to the public.

Why it matters: This lighthouse is essential for safe navigation in the Bungo Strait, alerting vessels to a significant submerged reef off Hotojima.

Light & Optic

Characteristic Signature
Fl White 3s
Flash Type
Flashing
Light Color
White
Interval
3s
Raw Code
Fl W 3s
Focal Height
19m
Geographic Range
12.9NM

Location

City
Tsukumi
Country
🇯🇵Japan
Region
Oita Prefecture
Sea Region
Bungo Strait, marking the end of a long reef off Hotojima.
Latitude
33.1134°
Longitude
132.0276°

References & Identifiers

Nearest Port
Youra(3.3 km)
Admiralty No.
M4922
NGA No.
10524
USCG No.
JCG-5716

Tower & Structure

Tower Height
8.5m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower

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 Takago Iwa Lighthouse at night?+
Takago Iwa displays the characteristic Fl White 3s. 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 Takago Iwa Lighthouse guide vessels into?+
Takago Iwa Lighthouse assists vessels approaching 5 nearby ports. The closest is Tsukumi at 8.2 NM to the WSW. Other ports served include Saiki (9.8 NM SW), Urashiro (10 NM SSW), Usuki (11 NM W), Saganoseki (11.2 NM NW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Takago Iwa Lighthouse still active and maintained?+
Yes, Takago Iwa 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.
What shipping routes pass near Takago Iwa Lighthouse?+
Takago Iwa Lighthouse is located within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Takago Iwa Lighthouse?+
You can track vessels near Takago Iwa 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.