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Ōsu Saki Lighthouse

🇯🇵Ishinomaki, JPOperational

Location & Light Range

About Ōsu Saki Lighthouse

Also known as: Oshu

Ōsu Saki Lighthouse, a cylindrical concrete tower, was built in 1949. Standing 12 meters tall, its lantern and gallery are centered on a square, single-story equipment room. The focal height of the light is 50 meters, providing a geographic range of 18.7 nautical miles. This active navigational aid is situated near Ishinomaki City in Miyagi Prefecture, marking the Ōsu Saki cape. The lighthouse is approximately 1.8 kilometers from the nearest port, Funakoshi.

Why it matters: This lighthouse marks the Ōsu Saki cape, assisting vessels navigating the coastal waters of Japan.

Light & Optic

Focal Height
50m
Geographic Range
18.7NM

Construction & History

Year Built
1949

References & Identifiers

Nearest Port
Funakoshi(1.8 km)
Admiralty No.
M6556
NGA No.
4300
ARLHS No.
JPN-466
Wikidata
Q11441853 →

Tower & Structure

Tower Height
12m
Tower Shape
cylindrical
Material
concrete

Structure: square cylindrical concrete tower with lantern and gallery, centered on a square 1-story equipment room

Location

City
Ishinomaki
Country
🇯🇵Japan
Region
Miyagi Prefecture
Sea Region
Ōsu Saki, Japan
Latitude
38.5212°
Longitude
141.5444°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

Which ports and harbors does Ōsu Saki Lighthouse guide vessels into?+
Ōsu Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Funakoshi at 1.8 NM to the WNW. Other ports served include Aika (5.2 NM NNW), Akehama (6.2 NM SW), Hamaguri (6.2 NM SW), Nonohama (6.2 NM SW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōsu Saki Lighthouse still active and maintained?+
Yes, Ōsu Saki 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 Ōsu Saki Lighthouse?+
Ōsu Saki 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 Ōsu Saki Lighthouse?+
You can track vessels near Ōsu Saki 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.