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Port Dalhousie Lighthouse

Iso White 4s🇨🇦St. Catharines, CAOperational

Location & Light Range

About Port Dalhousie Lighthouse

Also known as: Port Dalhousie (Range Front)

Built in 1879, the Port Dalhousie Lighthouse is a square pyramidal tower constructed of wood and painted white, with a green lantern and tower base. It stands 14 meters tall, with its light positioned 13 meters above the water. The lighthouse emits an isophase white light on a 4-second cycle, visible for 11.3 nautical miles. Located at the end of the breakwater on the east side of the harbor entrance in St. Catharines, it once marked the northern entrance to the Welland Canal. The canal's entrance was relocated in 1932, and the pier was closed and later reopened in 2015.

Why it matters: This lighthouse served as the original northern entrance marker for the Welland Canal, a significant shipping route.

Light & Optic

Characteristic Signature
Iso White 4s
Flash Type
Isophase
Light Color
White
Interval
4s
Raw Code
Iso W 4s
Focal Height
13m
Geographic Range
11.3NM

Construction & History

Year Built
1879

Significant events: canal entrance relocated in 1932, pier closed and reopened in 2015

Visiting

Open to public
Site open, tower closed

Nearby Vessels

Flag
Type
Name
Dist.

Tower & Structure

Tower Height
14m
Tower Shape
square
Tower Color
white
Material
wood

Structure: square pyramidal wood tower with lantern and gallery, painted white; lantern and tower base painted green

Location

City
St. Catharines
Country
🇨🇦Canada
Region
Ontario
Sea Region
Located at the end of the breakwater on the east side of the Port Dalhousie harbor entrance, at the end of Lighthouse Road in St. Catherines, marking the northern entrance to the Welland Canal.
Latitude
43.2111°
Longitude
-79.2635°

References & Identifiers

Nearest Port
Saint-Catharines(0.3 km)
ARLHS No.
CAN-540
Wikidata
Q28919186 →
OpenStreetMap
View on OSM →
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Frequently Asked Questions

How do mariners identify Port Dalhousie Lighthouse at night?+
Port Dalhousie displays the characteristic Iso 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 Port Dalhousie Lighthouse guide vessels into?+
Port Dalhousie Lighthouse assists vessels approaching 5 nearby ports. The closest is Dalhousie at 0.3 NM to the S. Other ports served include Port Weller (2.5 NM ENE), Saint-Catharines (3 NM SSE), Thorold (6.1 NM SSE), Niagara Falls (8.9 NM ENE). Mariners should consult the relevant chart for full approach and pilotage information.
Is Port Dalhousie Lighthouse still active and maintained?+
Yes, Port Dalhousie 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 Dalhousie Lighthouse?+
You can track vessels near Port Dalhousie 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.