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Isla Gardiner Lighthouse

Fl (4) White 12s🇨🇱Cape Horn, CLOperational

Location & Light Range

About Isla Gardiner Lighthouse

This lighthouse stands on a small island adjacent to Isla Picton, within the territory assigned to Chile by a 1985 arbitration settlement. The structure is a cylindrical fiberglass tower, 6 meters tall and painted white with a single red horizontal band. Its light is positioned 19 meters above sea level and emits white flashes every 12 seconds. The geographic range of the light is 12.9 nautical miles. The site is open to visitors, but the tower itself is closed to the public.

Why it matters: This light aids navigation through the complex channels near Isla Picton and helps delineate maritime boundaries established by the 1985 arbitration settlement.

Light & Optic

Characteristic Signature
Fl (4) White 12s
Flash Type
Flashing
Light Color
White
Flash Count
4 flashes
Interval
12s
Raw Code
Fl W 12s
Focal Height
19m
Geographic Range
12.9NM

Construction & History

Significant events: 1985 arbitration settlement

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
6m
Tower Shape
cylindrical
Tower Color
white with one red horizontal band
Material
fiberglass

Structure: round fiberglass tower colored white with one red horizontal band

Location

City
Cape Horn
Country
🇨🇱Chile
Region
Magallanes and Chilean Antarctica Region
Sea Region
Located on a small island just off the much larger Isla Picton, within the area assigned to Chile by the 1985 arbitration settlement.
Latitude
-55.0787°
Longitude
-67.0634°

References & Identifiers

Nearest Port
Puerto Williams(21.0 km)
Admiralty No.
G1298
NGA No.
111-2710.09
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Frequently Asked Questions

How do mariners identify Isla Gardiner Lighthouse at night?+
Isla Gardiner displays the characteristic Fl (4) White 12s — 4 white flashes every 12 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 white color may indicate a specific sector or warning zone.
Which ports and harbors does Isla Gardiner Lighthouse guide vessels into?+
Isla Gardiner Lighthouse assists vessels approaching 2 nearby ports. The closest is Puerto Williams at 20.6 NM to the WNW. Other ports served include Ushuaia (45.1 NM WNW). Mariners should consult the relevant chart for full approach and pilotage information.
Is Isla Gardiner Lighthouse still active and maintained?+
Yes, Isla Gardiner 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 Isla Gardiner Lighthouse?+
You can track vessels near Isla Gardiner 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.