Editing Welland Canal (section)

===Third Welland Canal===
[[File:Welland canal a030556.jpg|thumb|Aerial photo of Port Dalhousie from the third canal era. 3rd canal lock at left, 2nd canal lock at right. Note 3rd canal towpath at upper left and Muir brothers' ship yard centre right.]]
[[File:Old welland canal lock 2.JPG|thumb|left|Abandoned locks of the third canal]]

In 1887, a new shorter alignment was completed between St. Catharines and Port Dalhousie. One of the most interesting features of this third Welland Canal was the [[Merritton Tunnel]], built in 1876 on the [[Grand Trunk Railway]] line that ran under the canal between Locks 18 and 19. Another nearby tunnel carried the canal over a sunken section of the St David's Road. The new route had a minimum depth of {{convert|4.3|m|ft|abbr=on}} with 26 stone locks, each {{convert|82.3|m|ft|abbr=on}} long by {{convert|13.7|m|ft|abbr=on}} wide. Even so, the canal was still too small for many boats.
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