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Port Cornwallis Lighthouse

Fl (2) White 20s🇮🇳INOperational

Location & Light Range

About Port Cornwallis Lighthouse

Also known as: Port Cornwallis (Ross Island, Bopung)

Built in 1973, the Port Cornwallis lighthouse is a 10-meter tall cylindrical masonry tower. It is painted white and stands on the southern tip of Bopung or Ross Island, off the northeast coast of Great Andaman Island. The lighthouse features a square cylindrical masonry tower with a gallery, attached to a single-story keeper's house. Its light emits two white flashes every 20 seconds from a focal height of 41 meters, providing a geographic range of 17.2 nautical miles. The site is accessible by boat, and while the grounds are open to the public, the tower itself is closed to visitors.

Why it matters: This lighthouse is important for navigating the waters around the southern tip of Bopung or Ross Island, a key point off Great Andaman Island.

Light & Optic

Characteristic Signature
Fl (2) White 20s
Flash Type
Flashing
Light Color
White
Flash Count
2 flashes
Interval
20s
Raw Code
Fl W 20s
Focal Height
41m
Geographic Range
17.2NM

Construction & History

Year Built
1973

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
10m
Tower Shape
cylindrical
Tower Color
white
Material
masonry

Structure: square cylindrical masonry tower with gallery attached to a 1-story masonry keeper's house

Location

Country
🇮🇳India
Region
Andaman and Nicobar Islands
Sea Region
southern tip of Bopung or Ross Island, off the northeast coast of Great Andaman Island
Latitude
13.3000°
Longitude
93.0745°

References & Identifiers

Nearest Port
Port Blair(99.1 km)
ARLHS No.
AND-017
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Frequently Asked Questions

How do mariners identify Port Cornwallis Lighthouse at night?+
Port Cornwallis displays the characteristic Fl (2) White 20s — 2 white flashes every 20 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 Port Cornwallis Lighthouse guide vessels into?+
Port Cornwallis Lighthouse assists vessels approaching 1 nearby port. The closest is Cornwallis at 1.1 NM to the SSE. Mariners should consult the relevant chart for full approach and pilotage information.
Is Port Cornwallis Lighthouse still active and maintained?+
Yes, Port Cornwallis 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 Port Cornwallis Lighthouse?+
You can track vessels near Port Cornwallis 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.