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Utoro Lighthouse

Fl White 15s🇯🇵Shari, JPOperational

Location & Light Range

About Utoro Lighthouse

The Utoro Lighthouse, a round cylindrical concrete tower erected in 1969, measures 20 meters in height and features black and white horizontal bands. It is positioned on a ridge northeast of Utoro, close to the Shiretoko National Park border. This structure, which includes a lantern and gallery, is connected to a single-story keeper's residence. In 2009, its light color was altered from green to white, and a new lens was fitted. The light's focal plane is 142 meters above sea level, with a visibility range of 28.9 nautical miles. Its characteristic is a white flash every 15 seconds.

Why it matters: The Utoro Lighthouse serves as a navigation aid for vessels operating in the waters near the Shiretoko Peninsula.

Light & Optic

Characteristic Signature
Fl White 15s
Flash Type
Flashing
Light Color
White
Interval
15s
Raw Code
Fl W 15s
Focal Height
142m
Geographic Range
28.9NM

Construction & History

Year Built
1969

Significant events: Light color changed from green to white in 2009, new lens installed in 2009

References & Identifiers

Nearest Port
Abashiri(31.5 km)
ARLHS No.
JPN-733

Tower & Structure

Tower Height
20m
Tower Shape
cylindrical
Tower Color
with black and white horizontal bands
Material
concrete

Structure: round cylindrical concrete tower with lantern and gallery, attached at one end of a 1-story keeper's house

Location

City
Shari
Country
🇯🇵Japan
Region
Hokkaido Prefecture
Sea Region
Located on a ridge northeast of the port of Utoro, in a wild area near the Shiretoko National Park boundary, guiding ships around the Shiretoko Peninsula.
Latitude
44.0977°
Longitude
145.0151°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Utoro Lighthouse at night?+
Utoro displays the characteristic Fl White 15s. 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 Utoro Lighthouse guide vessels into?+
Utoro Lighthouse assists vessels approaching 4 nearby ports. The closest is Shibetsu at 26.7 NM to the S. Other ports served include Abashiri (31.8 NM W), Yuzhno-Kuril'sk (36.4 NM E), Tokoro (39.4 NM W). Mariners should consult the relevant chart for full approach and pilotage information.
Is Utoro Lighthouse still active and maintained?+
Yes, Utoro 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.
How can I track vessels near Utoro Lighthouse?+
You can track vessels near Utoro 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.