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Ako Kō Lighthouse

Fl G 8s🇯🇵Izu and Ogasawara Islands, JPOperational

Location & Light Range

About Ako Kō Lighthouse

Ako Kō Lighthouse is a maritime navigation aid located in Izu and Ogasawara Islands, JP. It is currently operational and active, providing guidance to vessels navigating the surrounding waters. The light sits at a focal height of 14 meters above mean sea level.

Light characteristic: The identifying signal of this lighthouse is Fl G 8s. This means the light produces 1 flash every 8 seconds. Mariners use this distinctive pattern to positively identify the light and distinguish it from other aids to navigation in the area. The light color is green, which may indicate a specific sector or warning zone.

Position: Ako Kō Lighthouse is positioned at 34.0678°N, 139.4773°E, near Izu and Ogasawara Islands in JP.

Geographic context: Ako Kō Lighthouse is situated on the Sea of Japan, within the Japan / Korea shipping lane — a busy shipping corridor linking the major ports of Japan and South Korea. The location falls within the subtropical climate zone with mild winters and warm summers.

Nearby lighthouses in JP: Other lighthouses in the region include Abashiri East Breakwater, Abashiri Island Breakwater North End, Abashiri North Breakwater, Abashiri South Breakwater East End, Abuka Kō. View all on the Lighthouses Directory.

Nearby Ports

Toshima/Tokyo

JPTOX

28.9 NMNNW

Nishitokyo

JPNTO

40.1 NMN

Okada

JPOAA

43.6 NMN

Shimoda, Shizuoka

JPSMD

44.4 NMNW

Inatori

JPINR

47.5 NMNNW

Flash Characteristics

Characteristic Signature
Fl G 8s
Flash Type
Flashing
Light Color
Green
Flash Count
1 flash
Interval
8s

Physical Specifications

Focal Height
14m
Light Range
Not available
Status
ACTIVE
City
Izu and Ogasawara Islands
Country
🇯🇵JP
Latitude
34.0678°
Longitude
139.4773°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Ako Kō Lighthouse at night?+
Ako Kō displays the characteristic Fl G 8s — 1 green flash every 8 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 green color may indicate a specific sector or warning zone.
Which ports and harbors does Ako Kō Lighthouse guide vessels into?+
Ako Kō Lighthouse assists vessels approaching 5 nearby ports. The closest is Toshima/Tokyo at 28.9 NM to the NNW. Other ports served include Nishitokyo (40.1 NM N), Okada (43.6 NM N), Shimoda, Shizuoka (44.4 NM NW), Inatori (47.5 NM NNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Ako Kō Lighthouse still active and maintained?+
Yes, Ako 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.
What shipping routes pass near Ako Kō Lighthouse?+
Ako Kō 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 Ako Kō Lighthouse?+
You can track vessels near Ako 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.