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Pulau Dolongan Lighthouse

Fl White 6s🇮🇩IDOperational

Location & Light Range

About Pulau Dolongan Lighthouse

A square white skeletal tower, 23 meters in height, stands on a pile-supported platform. This structure, with a focal height of 23 meters, emits a white flash every 6 seconds. It is situated off the northern tip of an island, approximately 20.6 kilometers from Tolitoli. The lighthouse marks the northwest corner of Sulawesi, facing the Celebes Sea. Its geographic range extends to 13.8 nautical miles.

Why it matters: This light warns vessels navigating the Celebes Sea about the hazardous northwest corner of Sulawesi.

Light & Optic

Characteristic Signature
Fl White 6s
Flash Type
Flashing
Light Color
White
Interval
6s
Raw Code
Fl W 6s
Focal Height
23m
Geographic Range
13.8NM

Location

Country
🇮🇩ID
Latitude
1.3751°
Longitude
120.8865°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
23m
Tower Shape
square
Tower Color
white

Structure: square white skeletal tower mounted on a platform supported by piles

References & Identifiers

Nearest Port
Tolitoli(20.6 km)
Admiralty No.
F2051
NGA No.
25111.7
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Frequently Asked Questions

How do mariners identify Pulau Dolongan Lighthouse at night?+
Pulau Dolongan displays the characteristic Fl White 6s. 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 Pulau Dolongan Lighthouse guide vessels into?+
Pulau Dolongan Lighthouse assists vessels approaching 1 nearby port. The closest is Tolitoli at 20.6 NM to the SSW. Mariners should consult the relevant chart for full approach and pilotage information.
Is Pulau Dolongan Lighthouse still active and maintained?+
Yes, Pulau Dolongan 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 Pulau Dolongan Lighthouse?+
You can track vessels near Pulau Dolongan 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.