Blackpit Lock on the Rochdale Canal at Hebden Bridge prior to its restoration. Immediately beyond the lock the canal is carried on an aqueduct over the River Calder.
The Rochdale Canal opened in stages as sections were completed, with the Rochdale Branch the first in 1798 and further sections in 1799. The bottom nine locks opened in 1800 and boats using the Ashton Canal could reach Manchester. Officially, theā¦