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Ryōshida Lighthouse

Fl White 4s🇯🇵Etajima, JPOperational

Location & Light Range

About Ryōshida Lighthouse

Also known as: #Ryōshida (Choshida, Ryosida) Kō

Ryōshida Lighthouse, built in 1986, is an 11-meter cylindrical concrete tower with a flared top and gallery. It stands 9 meters above sea level and emits a white flash every 4 seconds, visible for 10 nautical miles. The lighthouse is located in Etajima, Hiroshima Prefecture, Japan. Its grounds are open to the public, but the tower itself remains closed. The nearest port is Koyoh, situated 4.4 kilometers away.

Why it matters: This lighthouse offers guidance for local shipping and fishing vessels navigating the coastal waters of Japan.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
9m
Geographic Range
10NM

Construction & History

Year Built
1986

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
11m
Tower Shape
cylindrical
Tower Color
green
Material
concrete

Structure: round cylindrical concrete tower with a flared top and gallery

Location

City
Etajima
Country
🇯🇵Japan
Region
Hiroshima Prefecture
Latitude
34.2512°
Longitude
132.3600°

References & Identifiers

Nearest Port
Koyoh(4.4 km)
Admiralty No.
M5664.7
NGA No.
9088
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Frequently Asked Questions

How do mariners identify Ryōshida Lighthouse at night?+
Ryōshida 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 Ryōshida Lighthouse guide vessels into?+
Ryōshida Lighthouse assists vessels approaching 5 nearby ports. The closest is Mitaka, Hiroshima at 2.4 NM to the ENE. Other ports served include Itsukushima (3.7 NM NNW), Kanokawa (5.5 NM SE), Otake (5.5 NM WSW), Hiroshima (6.5 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ryōshida Lighthouse still active and maintained?+
Yes, Ryōshida 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 Ryōshida Lighthouse?+
Ryōshida 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 Ryōshida Lighthouse?+
You can track vessels near Ryōshida 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.