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Fort Denison Lighthouse

Fl (4) W 15s🇦🇺New South Wales, AUOperational

Location & Light Range

About Fort Denison Lighthouse

Fort Denison is a white tower lighthouse standing 19 meters tall, with its focal height also at 19 meters. This structure is situated in New South Wales. Its light emits a white flash, providing a geographic range of 5 nautical miles. The lighthouse is operational and identified by the NGA list number K 2666 and the Admiralty number K2666.

Light & Optic

Characteristic Signature
Fl (4) W 15s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
15s
Raw Code
Fl
Focal Height
19m
Geographic Range
5NM

Location

City
New South Wales
Country
🇦🇺AU
Latitude
-33.8546°
Longitude
151.2260°

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
19m
Tower Color
white

References & Identifiers

Admiralty No.
K2666
NGA No.
K 2666
Wikipedia
Read on Wikipedia →
Wikidata
Q5471050 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Fort Denison Lighthouse at night?+
Fort Denison displays the characteristic Fl (4) W 15s — 4 white flashes every 15 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.
Which ports and harbors does Fort Denison Lighthouse guide vessels into?+
Fort Denison Lighthouse assists vessels approaching 5 nearby ports. The closest is MOSMAN at 0.9 NM to the NE. Other ports served include Woolloomooloo (0.9 NM SSW), DOUBLE BAY (1.4 NM SE), Sydney (1.4 NM W), Paddington (1.8 NM SSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Fort Denison Lighthouse still active and maintained?+
Yes, Fort Denison 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 Fort Denison Lighthouse?+
You can track vessels near Fort Denison 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.