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Kan'onji South Breakwater Lighthouse

🇯🇵Kan-onji, JPOperational

Also known as: Kanonzi

The Kan'onji South Breakwater Lighthouse reaches 12 meters above sea level at its focal height, situated on the breakwater that directs vessels into Kan'onji Port. This navigation aid has a geographic range of 11 nautical miles, marking the end of the south breakwater in Kagawa Prefecture, Japan, along the Seto Inland Sea. The lighthouse's location is a primary reference for ships seeking entry into the harbor. Public access is permitted to the site, but the tower remains inaccessible to visitors. The light's installation aimed to improve navigational safety for the many local fishing fleets and smaller commercial craft that utilize the port.

Why it matters: This lighthouse is indispensable for the secure operation of Kan'onji Port, directing local fishing vessels and coastal traders. It accurately defines the southern limit of the harbor entrance, preventing potential contact with the breakwater and ensuring unobstructed passage for all seafaring traffic.

Focal Height
12m
Geographic Range
11NM
City
Kan-onji
Country
🇯🇵Japan
Region
Kagawa Prefecture
Sea Region
Located on the South Breakwater in Kan'onji, Japan.
Latitude
34.1239°
Longitude
133.6317°
Nearest Port
Toyohama, Kagawa(0.3 km)
Admiralty No.
M5495
NGA No.
8612

Structure: Kan'onji South Breakwater Lighthouse guides mariners into the bustling port of Kan'onji, a coastal city nestled along Japan's Seto Inland Sea. Positioned at the end of the south breakwater, it marks a critical point for vessels seeking safe passage into the harbor. The surrounding landscape features the calm, island-dotted waters of the Seto Inland Sea, with the city's urban sprawl gently rising behind the port. This light was established to enhance navigational safety, particularly for local fishing fleets and smaller commercial ships that rely on the harbor for their livelihoods. It helps them accurately gauge their approach, especially during low visibility or at night. Today, the lighthouse remains an active and essential aid to navigation, continuously serving the maritime community. While the tower itself is not open for ascent, the site around the breakwater is accessible, allowing visitors to walk out and experience the sea air, watch the ships, and appreciate the lighthouse's role in the daily rhythm of the port. It offers a quiet spot to observe the interplay between human activity and the natural marine environment.

Open to public
Site open, tower closed
Flag
Type
Name
Dist.
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Which ports and harbors does Kan'onji South Breakwater Lighthouse guide vessels into?+
Kan'onji South Breakwater Lighthouse assists vessels approaching 5 nearby ports. The closest is Nio at 4.6 NM to the N. Other ports served include Ohama, Ehime (6.6 NM N), Takuma (6.6 NM NNE), Mishima, Kawanoe (8.3 NM SSW), Ishima (8.5 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kan'onji South Breakwater Lighthouse still active and maintained?+
Yes, Kan'onji South Breakwater 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 Kan'onji South Breakwater Lighthouse?+
Kan'onji South Breakwater 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 Kan'onji South Breakwater Lighthouse?+
You can track vessels near Kan'onji South Breakwater 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.