The Calder and Hebble Navigation runs from the Wakefield Branch of the Aire and Calder Navigation at Wakefield to the Rochdale Canal at Sowerby Bridge. It is 21.5 miles (34.4 km) long and has 27 locks. The Calder and Hebble Navigation is also joined by the Huddersfield Broad Canal at Cooper Bridge Junction, and has a small arm to Dewsbury of 1.0 mile (1.6 km). There was also an arm to Halifax, now closed and largely filled in, apart from the first 600 yards (0.5 km) into Salterhebble.
The maximum size of boat that can navigate the full Calder & Hebble Navigation is
length: 54' 2" (16.5 metres)
beam: 14' 2" (4.32 metres)
height: 8' 7" (2.62 metres)
draught: 4' 11" (1.5 metres)
Many of the locks require the use of a wooden Calder & Hebble Handspike.