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Tomoga (Tomo Ga) Shima Lighthouse

🇯🇵Wakayama, JPOperational

Location & Light Range

About Tomoga (Tomo Ga) Shima Lighthouse

The Tomoga Shima Lighthouse, constructed in 1872, is a white, cylindrical stone tower standing 12 meters tall. It is attached to a semicircular, single-story equipment house. The lighthouse emits alternating red and white light every 10 seconds, with a geographic range of 20.1 nautical miles. Its focal height reaches 60 meters above sea level. The site is open to the public, though the tower itself is closed. The nearest port, Kada, is 3.4 kilometers away.

Why it matters: Established in 1872, this lighthouse has operated continuously, serving as an early example of Japan's maritime infrastructure development. Its enduring presence highlights its role in ensuring safe passage for vessels in the surrounding waters.

Background
Tomogashima Lighthouse is a lighthouse on the island of Tomogashima in Wakayama, Wakayama, Japan.

Light & Optic

Raw Code
Alt RW 10s
Focal Height
60m
Geographic Range
20.1NM

Construction & History

Year Built
1872

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Tower Color
white
Material
stone

Structure: round cylindrical stone tower with lantern and gallery, attached to a semicircular 1-story equipment house

Location

City
Wakayama
Country
🇯🇵Japan
Region
Wakayama Prefecture
Latitude
34.2809°
Longitude
135.0004°

References & Identifiers

Nearest Port
Kada(3.4 km)
Admiralty No.
M5960
NGA No.
112-7200
ARLHS No.
JPN-669
Wikipedia
Read on Wikipedia →
Wikidata
Q7820107 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

Which ports and harbors does Tomoga (Tomo Ga) Shima Lighthouse guide vessels into?+
Tomoga (Tomo Ga) Shima Lighthouse assists vessels approaching 5 nearby ports. The closest is Fuke at 7.1 NM to the ENE. Other ports served include Kainan (8.2 NM SE), Wakayama (8.2 NM SE), Tannowa (9.8 NM ENE), Shimotsu (11.8 NM SE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Tomoga (Tomo Ga) Shima Lighthouse still active and maintained?+
Yes, Tomoga (Tomo Ga) Shima 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 Tomoga (Tomo Ga) Shima Lighthouse?+
Tomoga (Tomo Ga) Shima 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 Tomoga (Tomo Ga) Shima Lighthouse?+
You can track vessels near Tomoga (Tomo Ga) Shima 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.