Huddersfield Narrow Canal

| repeal_date = | amendments = | repealing_legislation = | related_legislation = | status = Amended | original_text = https://books.google.co.uk/books?id=XwbC08mcZ-4C&pg=PA554 | collapsed = yes }} The canal was authorised by the (34 Geo. 3. c. 53). Construction began that same year with the marking out of the route. The practice was to set up a line of pegs or stakes about 50 yd apart so that their tops would indicate the intended water level. It would then be possible to construct the appropriate embankments and cuttings. As engineer, Outram provided an oversight of the work but he was also occupied by other projects. Day-to-day management was carried out by contractors employed and…

Although the canal uses 74 locks to climb and descend the Pennines (42 uphill through Yorkshire up to Standedge and 32 downhill from the tunnel into Ashton), there would have had to be many more without the digging of a very long tunnel through the Tame/Colne watershed (the River Colne flowing down to Huddersfield and the River Calder, and the Tame flowing down to Stockport and the River Mersey). The canal tunnel is 3 mi long, making it the longest canal tunnel in Great Britain, it is also the highest canal tunnel above sea level in Britain. It is largely brick lined but in some places the tunnel has been left with a natural rock surface. The tunnel is on a level section which stretches…