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Ōtachigami Lighthouse

Fl Green 3s🇯🇵Nagasaki, JPOperational

Location & Light Range

About Ōtachigami Lighthouse

Also known as: Ōtachigami (Otategami, Nomo Saki)

Ōtachigami Lighthouse, built in 1971, is a white, cylindrical concrete tower standing 7 meters tall. It is situated on a rocky pinnacle near the tip of the Nomozaki Peninsula in Nagasaki Prefecture. The lighthouse emits a single green flash every 3 seconds from a focal height of 27 meters. Its structure consists of the round tower attached to a small equipment shelter. The nearest port is Wakimisaki, located 2.3 kilometers away.

Why it matters: This lighthouse warns vessels of the rocky pinnacle it occupies, aiding navigation around the Nomozaki Peninsula and helping to prevent groundings.

Light & Optic

Characteristic Signature
Fl Green 3s
Flash Type
Flashing
Light Color
Green
Interval
3s
Raw Code
Fl G 3s
Focal Height
27m
Geographic Range
14.7NM

Construction & History

Year Built
1971

References & Identifiers

Nearest Port
Wakimisaki(2.3 km)
Admiralty No.
M5192
NGA No.
11764

Tower & Structure

Tower Height
7m
Tower Shape
cylindrical
Tower Color
white
Material
concrete

Structure: round white concrete tower attached to a small equipment shelter

Location

City
Nagasaki
Country
🇯🇵Japan
Region
Nagasaki Prefecture
Sea Region
atop a rocky pinnacle just off the tip of the Nomozaki Peninsula
Latitude
32.5670°
Longitude
129.7401°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ōtachigami Lighthouse at night?+
Ōtachigami displays the characteristic Fl Green 3s. 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Ōtachigami Lighthouse guide vessels into?+
Ōtachigami Lighthouse assists vessels approaching 5 nearby ports. The closest is Kabashima at 2.3 NM to the E. Other ports served include Wakimisaki (2.3 NM ENE), Aikawa, Nagasaki (10.6 NM NNE), Furue, Nagasaki (10.6 NM NNE), Furusato, Nagasaki (10.6 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ōtachigami Lighthouse still active and maintained?+
Yes, Ōtachigami 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 Ōtachigami Lighthouse?+
Ōtachigami 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 Ōtachigami Lighthouse?+
You can track vessels near Ōtachigami 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.