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Caldera Alta Lighthouse

Fl R 3s🇦🇷Southern Argentina, AROperational

Location & Light Range

About Caldera Alta Lighthouse

Caldera Alta is an operational lighthouse in Southern Argentina. It emits a red light with a focal height of 33 meters. The light produces a single red flash every 3 seconds. Its geographic range extends for 3 nautical miles.

Light & Optic

Characteristic Signature
Fl R 3s
Flash Type
Flashing
Light Color
Red
Flash Count
1 flash
Interval
3s
Raw Code
Fl.R. period 3s
Focal Height
33m
Geographic Range
3NM

References & Identifiers

Admiralty No.
G1184.1
NGA No.
20004

Location

City
Southern Argentina
Country
🇦🇷AR
Latitude
-49.2675°
Longitude
-67.6592°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Caldera Alta Lighthouse at night?+
Caldera Alta displays the characteristic Fl R 3s — 1 red flash every 3 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 red color may indicate a specific sector or warning zone.
Which ports and harbors does Caldera Alta Lighthouse guide vessels into?+
Caldera Alta Lighthouse assists vessels approaching 1 nearby port. The closest is San Julian at 3.1 NM to the SW. Mariners should consult the relevant chart for full approach and pilotage information.
Is Caldera Alta Lighthouse still active and maintained?+
Yes, Caldera Alta 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 Caldera Alta Lighthouse?+
You can track vessels near Caldera Alta 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.