Get the MarineRadar appSatellite AISSatellite live trackingTrack any shipLive alerts112,000+ ships trackedDownload free

Kō Lighthouse

Fl R 4s🇯🇵Rishiri and Rebun, Hokkaido, JPOperational

Location & Light Range

About Kō Lighthouse

This lighthouse stands on a square, one-story concrete equipment room with a concrete post. The entire structure is painted red. It emits two red flashes every six seconds. The focal plane is 13 meters above sea level. The lighthouse is located on a detached breakwater on the east side of the entrance to Takasago harbor. Access is only possible by boat.

Light & Optic

Characteristic Signature
Fl R 4s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
4s
Raw Code
Fl.(3)W. period 9s
Focal Height
14m

Location

City
Rishiri and Rebun, Hokkaido
Country
🇯🇵JP
Latitude
45.3053°
Longitude
141.0170°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Shape
square
Material
concrete

References & Identifiers

Admiralty No.
M5772.5
NGA No.
7704
ARLHS No.
JPN-1538
Live tracking · 50,000+ mariners

Find Kō Lighthouse on the live nautical map

Plan voyages near JP, see nearby vessels in real time, and explore 14,900+ navigation aids in the app.

Nautical mapNearby vesselsVoyage planning
Get the App

Frequently Asked Questions

How do mariners identify Kō Lighthouse at night?+
Kō displays the characteristic Fl R 4s — 1 red flash every 4 seconds. 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Kō Lighthouse guide vessels into?+
Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Kafuka at 1.4 NM to the ESE. Other ports served include Fukai (2.4 NM NE), Kutsugata (8.6 NM SE), Funadomari (8.7 NM N), Shido (9.7 NM ESE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Kō Lighthouse still active and maintained?+
Yes, Kō 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 Kō Lighthouse?+
You can track vessels near Kō 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.