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Ara Saki Lighthouse

Fl White 5s🇯🇵Tsuruoka, JPOperational

Location & Light Range

About Ara Saki Lighthouse

Also known as: Ara Saki (Arasaki)

Constructed in 1953, the Ara Saki lighthouse stands on a concrete post rising 12 meters from a 1-story equipment room. Its latticed white concrete tower reaches a focal height of 33 meters. The light emits a single white flash every 5 seconds, visible for nearly 16 nautical miles. The original lighthouse was established in 1903, with the current structure replacing it decades later. It is situated on a promontory at Kamo, about 10 kilometers west of Tsuruoka in Yamagata Prefecture.

Why it matters: This light guides vessels around the Kamo promontory, aiding safe passage along the coast west of Tsuruoka.

Light & Optic

Characteristic Signature
Fl White 5s
Flash Type
Flashing
Light Color
White
Interval
5s
Raw Code
Fl W 5s
Focal Height
33m
Geographic Range
15.9NM

Construction & History

Year Built
1953
First Lit
1903

References & Identifiers

Nearest Port
Kamo(0.4 km)
Admiralty No.
M7087
NGA No.
3460
ARLHS No.
JPN-024

Tower & Structure

Tower Height
12m
Tower Shape
latticed
Tower Color
white
Material
concrete

Structure: A 12m white concrete post rises from a square 1-story concrete equipment room.

Location

City
Tsuruoka
Country
🇯🇵Japan
Region
Yamagata Prefecture
Sea Region
on a promontory at Kamo, about 10 km (6 mi) west of Tsuruoka
Latitude
38.7625°
Longitude
139.7240°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ara Saki Lighthouse at night?+
Ara Saki displays the characteristic Fl White 5s. 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 Ara Saki Lighthouse guide vessels into?+
Ara Saki Lighthouse assists vessels approaching 5 nearby ports. The closest is Kamo at 0.3 NM to the ENE. Other ports served include Yura, Yamagata (3 NM SW), Kobato (5.8 NM SW), Atsumi (10.3 NM SW), Sakata (11.2 NM NNE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ara Saki Lighthouse still active and maintained?+
Yes, Ara 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 Ara Saki Lighthouse?+
Ara 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 Ara Saki Lighthouse?+
You can track vessels near Ara 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.