The Bridgewater Canal, runs from Castlefield Junction with the Rochdale Canal, in Manchester, to its terminus in Runcorn. The main line is 28.1 miles (45.2 km) long and has no locks. There are two arms:
The Leigh Arm runs from Waters Meeting in Stretford to the Leigh Arm of the Leeds & Liverpool Canal in Leigh. This Arm is 10.8 miles (17.4 km) long and has no locks.
The Preston Brook Branch is just 0.8 miles (1.3 km) long, has no locks and connects to Trent & Mersey Canal.
There is also a short spur link to the Manchester Ship Canal via Pomona Lock, 1.2 miles from Castlefield Junction.
The maximum size of boat that can navigate throughout the Bridgewater Canal is
length: There are no locks to limit length
beam: 14' 9" (4.5 metres)
height: 8' 6" (2.6 metres) - Leigh Branch. Height on the main line: 11' (3.4 metres)
draught: 5' (1.5 metres)
Chester and Merseyside - Preston Brook to Lymm and to Runcorn (including former Runcorn Locks)
Manchester - Hulme Lock Branch and Pomona Lock Link; Leigh Arm of Leeds & Liverpool to Waters Meeting (Stretford); Rochdale Canal to Waters Meeting (Stretford); Waters Meeting (Stretford) to the M6 Road Bridge at Lymm.