Welland Canal Port Maitland. With the opening of the extension, the canal stretched between the two lakes, with 40 wooden locks. The minimum lock size was , with a minimum canal depth of . Deterioration of the wood used in the 40 locks and the increasing size of ships led to demand for the Second Welland Canal, which used cut stone locks, within just a few years. In 1839 the government of Upper Canada approved the purchase of shares in the private canal company in response to the company's continuing financial problems in the face of the continental financial panic of 1837.
Welland in 1973, provided a new, shorter alignment for the Welland Canal by moving it from downtown Welland to the city's outskirts. With the completion of the bypass, Welland's east end (and the former town of Crowland) was like an island between the new and old canal channels. Residents and businessmen were originally enthusiastic that the canal had been moved from downtown, as its traffic had interfered with transportation within the city. The canal's old alignment was renamed the Welland Recreational Waterway and the city intended to develop several recreational facilities and tourist attractions along its shores. The original plans called