The Macclesfield Canal was built by Thomas Telford and opened in 1831. This makes it one of the last narrow-gauge canals to be built. As with all the later canals it is heavily engineered, with high embankments, deep cuttings, fine roving bridges and the locks all grouped together at Bosley.
It also runs through Macclesfield which, for reasons I've never quite understood, is one of my favourite towns.