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Karang Willem III Lighthouse

🇮🇩IDOperational

Location & Light Range

About Karang Willem III Lighthouse

Karang Willem III is an operational lighthouse near Gunung Sitoli, 39.1 kilometers from the nearest port. The structure reaches a focal height of 12 meters and has a visibility range of 11 nautical miles. Named to honor Willem III, King of the Netherlands in the late 1800s, this remote navigation aid is primarily reached by sea and is part of the Indonesian maritime network.

Why it matters: The lighthouse warns vessels of the Karang Willem III reef, an underwater hazard on shipping lanes south of Pulau Bintanah. Its light characteristic, two white flashes every 8 seconds, aids safe passage in this sector.

Light & Optic

Focal Height
12m
Geographic Range
11NM

References & Identifiers

Nearest Port
Gunung Sitoli(39.1 km)
Admiralty No.
F1262.35.

Location

Country
🇮🇩ID
Latitude
1.3028°
Longitude
98.2631°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

Which ports and harbors does Karang Willem III Lighthouse guide vessels into?+
Karang Willem III Lighthouse assists vessels approaching 1 nearby port. The closest is Sibolga, Sumatra at 40.5 NM to the NE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Karang Willem III Lighthouse still active and maintained?+
Yes, Karang Willem III 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 Karang Willem III Lighthouse?+
Karang Willem III Lighthouse is located within the Strait of Malacca — the primary shipping route between the Indian and Pacific Oceans, carrying over 25% of global traded goods. This makes it an important navigation reference for commercial shipping traffic in the region.
How can I track vessels near Karang Willem III Lighthouse?+
You can track vessels near Karang Willem III 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.