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St. Catharines in Niagara Region, Ontario — Central Canada (North America)
 

Early Welland Canals

 
 
Early Welland Canals Marker image. Click for full size.
Photographed by Anton Schwarzmueller, July 27, 2014
1. Early Welland Canals Marker
Inscription. The modern Welland Canal is actually the fourth version to be built since 1829. Unlike the later government-operated canals, the First Welland Canal was built by a private company.

The outline on the ground represents a typical lock from the First Canal. Compare the outline to Lock 3. How have the locks changed?

[Caption for drawing:] Typical locks, balance beam gates, and barge traffic on the Erie Canal.

Dressed stone was used to build the Second Canal (1845) and Third Canal (1881). The gates of the early canals were manually opened and closed. Large balance beams, or levers, projected out from the top of the gate to help 'balance' the mass of the gate leaf and facilitate its movement by locktenders and ship crew.

Early canals were too narrow to navigate a sailing ship. Teams of horses, mules or oxen - driven by a towboy - would move along a towpath beside the channel, towing vessels with their sails furled. The Third and Fourth Canals were built for steam and diesel ships capable of transiting the Canal under their own power.

First Welland Canal
Started 1824 - Completed 1829

[Under ship diagram:]
Typical Vessel
Length 100Ft - Cargo Capacity 165 Tons

[Under lock diagram:]
Typical Lock

Length
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of Gates - (33.5 m) - 110 FT
Width of Lock - (6.7 m) - 22 FT
Depth of Water over Sills - (2.4 m) - 8 FT
Single Lifts - (1.5 m - 3.4 m) - 4 FT TO 11 FT
Number of Locks - 40

Second Welland Canal
Started 1840 · Completed 1845

[Under ship diagram:]
Typical Vessel
Length 140Ft - Cargo Capacity 700 Tons

[Under lock diagram:]
Typical Lock

Length of Gates - (45.7 m) - 150 FT
Width of Lock - (8.0 m) - 26 FT 6 IN
Depth of Water over Sills - (2.7 m) - 9 FT
Single Lifts - (2.9 m - 4.3 m) - 9 FT 6 IN TO 14 FT 3 IN
Number of Locks - 27

Third Welland Canal
Started 1875 · Completed 1887

[Under ship diagram:]
Typical Vessel
Length 255Ft - Cargo Capacity 3700 Tons

[Under lock diagram:]
Typical Lock

Length of Gates - (82.3 m) - 270 FT
Width of Lock - (13.7 m) - 45 FT
Depth of Water over Sills - (4.3 m) - 14 FT
Single Lifts - (3.7 m - 4.9 m) - 12 FT TO 14 FT 3 IN
Number of Locks - 26

Welland Ship Canal
Started 1913 - Completed 1932-33

Length between Inner Gates - (261.8 m) - 850 FT
Width of Lock - (24.4 m) - 60 FT
Depth of Water over Sills - (9.1 m) - 30 FT
Single Lifts - (14.2 m) -
Early Welland Canals Marker image. Click for full size.
Photographed by Anton Schwarzmueller, July 27, 2014
2. Early Welland Canals Marker
Wide southward view. Marker is in front of the stone at left.
46 FT 6 IN
Number of Locks including 3 Twin - 8
Total Lockage - (99.5 m) - 326 FT 6 IN

H5 Humberstone is 1380 FT long between inner gates

[Under lock diagram:]
Typical Lock

[Under ship diagram:]
Typical Vessel
Maximum Length 225.5m (740 FT) & Cargo Capacity 25000 Tons at 8m (26.3 FT)

Adjacent to the lock outline, the stone blocks define the increased width of the Second Welland Canal. The subsequently enlarged width of the Third Welland Canal (1887)
is approximately 1 m (39 in.) from the fence. Similarly, the length of the locks for the Second and Third Canals are shown to the north by stone blocks measured from the upper gates of the First Canal outline.

Remnants of the stone locks from the Second and Third Welland Canals can be found throughout St. Catharines and neighbouring communities. A ten-minute drive from Lock 3 will take you to the location of an excavated lock from the First Canal - Lock 24 off Merritt Street. Sections of the Second Canal can be found in Mountain Locks Park on Glendale Avenue.

Caution! Climbing on the artifacts can be hazardous

Learn about the earlier Canals on your visit to the St. Catharines Museum, before you set out to explore the Canal remnants.
 
Erected by St. Catharines Museum.
Early Welland Canals Marker image. Click for full size.
Photographed by Anton Schwarzmueller, July 27, 2014
3. Early Welland Canals Marker

 
Topics and series. This historical marker is listed in this topic list: Waterways & Vessels. In addition, it is included in the The Welland Canals series list. A significant historical year for this entry is 1829.
 
Location. 43° 9.332′ N, 79° 11.641′ W. Marker is in St. Catharines, Ontario, in Niagara Region. It can be reached from Welland Canals Parkway, on the right when traveling north. Marker is on the grounds of the St. Catharines Museum and Welland Canals Centre. Marker is between the museum building and the canal. Touch for map. Marker is at or near this postal address: 1932 Welland Canals Parkway, St Catharines ON L2R 7K6, Canada. Touch for directions.

Regionally, this marker is on Ontario’s Golden Horseshoe and in Niagara Canada. It is also in Central Canada. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once a British colony, the Viceroyalty of New France, the Haudenosaunee (Iroquois) Confederacy, and Rupert’s Land.

Other nearby markers. At least 8 other markers are within walking distance of this marker: International Shipmasters' Association (a few steps from this marker); Welland Ship Canal (within shouting distance of this marker); Shipbuilding in Niagara (within shouting distance of this marker); Spring Tooth Cultivator (within shouting distance of this marker); Global Irish Famine Way (within shouting distance of this marker); How It Works: Locking Through (within shouting distance of this marker); Bollards & Fairleads (within shouting distance of this marker); Horse Drawn Grape Hoe (within shouting distance of this marker). Touch for a list and map of all markers in St. Catharines.
 
Also see . . .
Early Welland Canals Marker image. Click for full size.
Photographed by Anton Schwarzmueller, July 27, 2014
4. Early Welland Canals Marker
Rear view

1. St. Catharines Museum & Welland Canal Centre. (Submitted on August 9, 2014, by Anton Schwarzmueller of Wilson, New York.)
2. Welland Canal - Wikipedia. (Submitted on August 9, 2014, by Anton Schwarzmueller of Wilson, New York.)
 
Early Welland Canal Stone by the Marker image. Click for full size.
Photographed by Anton Schwarzmueller, July 27, 2014
5. Early Welland Canal Stone by the Marker
 
 
Credits. This page was last revised on October 12, 2025. It was originally submitted on August 9, 2014, by Anton Schwarzmueller of Wilson, New York. This page has been viewed 701 times since then and 26 times this year. Last updated on September 3, 2025, by Kevin Westell of St. Catharines, Ontario. Photos:   1, 2, 3, 4, 5. submitted on August 9, 2014, by Anton Schwarzmueller of Wilson, New York. • Andrew Ruppenstein was the editor who published this page.
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Jun. 25, 2026