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Rikuzen Eno Lighthouse

Fl White 10s🇯🇵Onagawa, JPOperational

Location & Light Range

About Rikuzen Eno Lighthouse

Also known as: Rikuzen Eno (Yeno) Shima

Rikuzen Eno Lighthouse stands as a cylindrical concrete tower 10 meters high. Its light, situated 87 meters above sea level, emits a single white flash every 10 seconds. This light has a geographic range of 23.4 nautical miles. The lighthouse is located near Onagawa in Miyagi Prefecture, Japan. It is operational and serves as a navigational aid.

Why it matters: This lighthouse is important for coastal navigation, guiding vessels along the shoreline and between ports. Its high focal plane and considerable range allow for early detection of hazards when approaching the coast.

Light & Optic

Characteristic Signature
Fl White 10s
Flash Type
Flashing
Light Color
White
Interval
10s
Raw Code
Fl W 10s
Focal Height
87m
Geographic Range
23.4NM

Location

City
Onagawa
Country
🇯🇵Japan
Region
Miyagi Prefecture
Latitude
38.3977°
Longitude
141.5933°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical

Structure: round cylindrical tower

References & Identifiers

Nearest Port
Tanohama(5.7 km)
ARLHS No.
JPN-506
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Frequently Asked Questions

How do mariners identify Rikuzen Eno Lighthouse at night?+
Rikuzen Eno displays the characteristic Fl White 10s. 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 Rikuzen Eno Lighthouse guide vessels into?+
Rikuzen Eno Lighthouse assists vessels approaching 5 nearby ports. The closest is Onagawa at 6.9 NM to the WNW. Other ports served include Oginohama (7 NM WSW), Akehama (7.4 NM WNW), Hamaguri (7.4 NM WNW), Nonohama (7.4 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Rikuzen Eno Lighthouse still active and maintained?+
Yes, Rikuzen Eno 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 Rikuzen Eno Lighthouse?+
Rikuzen Eno 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 Rikuzen Eno Lighthouse?+
You can track vessels near Rikuzen Eno 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.