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Telegraph Island Lighthouse

Fl White 4s🇨🇦CAOperational

Location & Light Range

About Telegraph Island Lighthouse

This cylindrical lighthouse, standing 9 meters tall, is located on Telegraph Island, Ontario, Canada. Its tower is painted white with a green band at the top. The light emits a single white flash every 4 seconds from a focal height of 10 meters, providing a geographic range of 10.4 nautical miles. The lighthouse is operational and visible from the nearest port of Picton, 8.8 kilometers away. While the site is open to the public, the tower itself is closed.

Why it matters: This lighthouse is important for guiding vessels through the Canadian waters around Telegraph Island, ensuring safe passage for local shipping and recreational craft. Its active status confirms its ongoing utility in preventing groundings or collisions in potentially hazardous areas.

Light & Optic

Characteristic Signature
Fl White 4s
Flash Type
Flashing
Light Color
White
Interval
4s
Raw Code
Fl W 4s
Focal Height
10m
Geographic Range
10.4NM

Location

Country
🇨🇦Canada
Region
Ontario
Latitude
44.1633°
Longitude
-77.1220°

References & Identifiers

Nearest Port
Picton(8.8 km)
ARLHS No.
CAN-1085

Tower & Structure

Tower Height
9m
Tower Shape
cylindrical
Tower Color
white with a green band at the top

Structure: round tower painted white with a green band at the top

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Telegraph Island Lighthouse at night?+
Telegraph Island displays the characteristic Fl White 4s. 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 Telegraph Island Lighthouse guide vessels into?+
Telegraph Island Lighthouse assists vessels approaching 5 nearby ports. The closest is DESERONTO at 3.4 NM to the ENE. Other ports served include NAPANEE (8.9 NM ENE), Picton (9.1 NM S), Belleville (12 NM W), Bath (15.6 NM E). Mariners should consult the relevant chart for full approach and pilotage information.
Is Telegraph Island Lighthouse still active and maintained?+
Yes, Telegraph Island 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 Telegraph Island Lighthouse?+
You can track vessels near Telegraph Island 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.