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Gereaux Island Lighthouse

Oc White 10s🇨🇦Unorganized Centre Parry Sound, CAOperational

Location & Light Range

About Gereaux Island Lighthouse

A square pyramidal wood tower with a lantern and gallery, the Gereaux Island Lighthouse was built in 1880 and stands 14 meters tall. It is painted white with red trim and its focal height is 16 meters. The tower is attached to a one-story wood keeper's quarters. The lighthouse emits an occulting white light every 10 seconds, with a geographic range of 12.2 nautical miles. The station was established in 1870, and the current structure was first lit in the same year it was built. Gereaux Island is a small island located south of the entrance to Byng Inlet.

Why it matters: The Gereaux Island Lighthouse is important for navigation into Byng Inlet. Its integrated tower and keeper's quarters design offers insight into historical lighthouse construction.

Light & Optic

Characteristic Signature
Oc White 10s
Flash Type
Occulting
Light Color
White
Interval
10s
Raw Code
Oc W 10s
Focal Height
16m
Geographic Range
12.2NM

Construction & History

Year Built
1880

Significant events: station established 1870

References & Identifiers

Nearest Port
Britt(4.6 km)
ARLHS No.
CAN-197

Tower & Structure

Tower Height
14m
Tower Shape
square
Tower Color
white with red trim
Material
wood

Structure: square pyramidal wood tower with lantern and gallery, attached to a 1-story wood keeper's quarters

Location

City
Unorganized Centre Parry Sound
Country
🇨🇦Canada
Region
Ontario
Sea Region
small island south of the entrance to Byng Inlet
Latitude
45.7444°
Longitude
-80.6591°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do mariners identify Gereaux Island Lighthouse at night?+
Gereaux Island displays the characteristic Oc White 10s. 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 Gereaux Island Lighthouse guide vessels into?+
Gereaux Island Lighthouse assists vessels approaching 5 nearby ports. The closest is Britt at 4.1 NM to the ENE. Other ports served include Key Harbour (8.9 NM NNW), Parry Sound (36.1 NM SE), Killarney (38.3 NM WNW), Coniston (45.1 NM N). Mariners should consult the relevant chart for full approach and pilotage information.
Is Gereaux Island Lighthouse still active and maintained?+
Yes, Gereaux 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 Gereaux Island Lighthouse?+
You can track vessels near Gereaux 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.