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Cabo Posesión Lighthouse

Fl W 18s🇦🇷Southern Chile, ARInactive

Location & Light Range

About Cabo Posesión Lighthouse

Cabo Posesión Lighthouse is located in Southern Chile on the Strait of Magellan. It became operational in 1900. The lighthouse emits a white light that flashes once every 18 seconds. Its focal plane is 90 meters above sea level, and it has a geographic range of 10 nautical miles. The structure is part of Chile's network of lighthouses.

Why it matters: This lighthouse was declared a National Historic Monument in 1976 for its architectural and historical value.

Light & Optic

Characteristic Signature
Fl W 18s
Flash Type
Flashing
Light Color
White
Flash Count
1 flash
Interval
18s
Raw Code
Fl.W. period 18s
Focal Height
90m
Geographic Range
10NM

References & Identifiers

Admiralty No.
G1408
NGA No.
2532
Wikipedia
Read on Wikipedia →
Wikidata
Q5856135 →
OpenStreetMap
View on OSM →

Location

City
Southern Chile
Country
🇦🇷AR
Latitude
-52.2912°
Longitude
-68.9622°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Cabo Posesión Lighthouse at night?+
Cabo Posesión displays the characteristic Fl W 18s — 1 white flash every 18 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 Cabo Posesión Lighthouse guide vessels into?+
Cabo Posesión Lighthouse assists vessels approaching 5 nearby ports. The closest is Punta Loyola at 41.1 NM to the N. Other ports served include Río Gallegos (41.8 NM NNW), Rio Cullen (41.9 NM SE), Bahía San Gregorio (47.1 NM WSW), San Gregorio (49.7 NM WSW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Cabo Posesión Lighthouse still active and maintained?+
Cabo Posesión Lighthouse is currently listed as inactive. It may have been decommissioned, replaced by a different navigation aid, or temporarily taken out of service. Mariners should check the latest Notices to Mariners for current status.
How can I track vessels near Cabo Posesión Lighthouse?+
You can track vessels near Cabo Posesión 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.