The Cromford Canal was an extension northwards of the Erewash Canal. Act obtained in 1789. The engineer was William Jessop and the line ran from a juction with the Erewash at Langley Mill, up the valley to Ironville and into Derbyshire, and on to Cromford. The total length of the canal was 14.75 miles (23.54km). It had 14 locks and a tunnel at Butterley. In Notts the canal was capable of taking vessels 78ft x 14ft. Bought out by a railway company in 1852, tunnel closed in the early 1900s, nearly all out of use by 1943, abandoned 1962. (1)
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<1> Patrick A, 1975, Canals in Nottinghamshire (Monograph). SNT50.