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Tadanoumi Kō Lighthouse

Oc Red 4s🇯🇵Takehara, JPOperational

Location & Light Range

About Tadanoumi Kō Lighthouse

A 6-meter red concrete post marks the end of the east breakwater at Tadanoumi. This structure includes a 1-story concrete equipment shelter at its base and stands 9 meters above the water. Its light is red and emits a single flash every 4 seconds, visible for 10 nautical miles. The lighthouse is situated at the entrance to the harbor town of Takehara within Hiroshima Prefecture. The site is accessible to the public, though the tower itself is closed.

Why it matters: This lighthouse clearly defines the eastern edge of the shipping channel into Tadanoumi harbor, assisting vessels in safe navigation.

Light & Optic

Characteristic Signature
Oc Red 4s
Flash Type
Occulting
Light Color
Red
Interval
4s
Raw Code
Oc R 4s
Focal Height
9m
Geographic Range
10NM

Location

City
Takehara
Country
🇯🇵Japan
Region
Hiroshima Prefecture
Sea Region
Located at the end of the east breakwater of Tadanoumi, the harbor town of Takehara.
Latitude
34.3359°
Longitude
132.9948°

References & Identifiers

Nearest Port
Takehara(1.8 km)
ARLHS No.
JPN-1764

Tower & Structure

Tower Height
6m
Tower Shape
post
Tower Color
red
Material
concrete

Structure: A 6m red concrete post with a square 1-story concrete equipment shelter at its base.

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 Tadanoumi Kō Lighthouse at night?+
Tadanoumi Kō displays the characteristic Oc Red 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Tadanoumi Kō Lighthouse guide vessels into?+
Tadanoumi Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Tadanoumi at 0.3 NM to the S. Other ports served include Takehara (1.9 NM W), Saizaki (2.4 NM E), Sunami (4.6 NM ENE), Inokuchi, Ehime (4.8 NM SSE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tadanoumi Kō Lighthouse still active and maintained?+
Yes, Tadanoumi Kō 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 Tadanoumi Kō Lighthouse?+
Tadanoumi Kō 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 Tadanoumi Kō Lighthouse?+
You can track vessels near Tadanoumi Kō 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.