The Rochdale Canal is a navigable "broad" canal

Canal

Canals are man-made channels for water. There are two types of canal:#Waterways: navigable transportation canals used for carrying ships and boats shipping goods and conveying people, further subdivided into two kinds:...

 in northern England

Northern England

Northern England, also known as the North of England, the North or the North Country, is a cultural region of England. It is not an official government region, but rather an informal amalgamation of counties. The southern extent of the region is roughly the River Trent, while the North is bordered...

, part of the connected system of the canals of Great Britain. The "Rochdale" in its name refers to the town of Rochdale

Rochdale

Rochdale is a large market town in Greater Manchester, England. It lies amongst the foothills of the Pennines on the River Roch, north-northwest of Oldham, and north-northeast of the city of Manchester. Rochdale is surrounded by several smaller settlements which together form the Metropolitan...

, Greater Manchester

Greater Manchester

Greater Manchester is a metropolitan county in North West England, with a population of 2.6 million. It encompasses one of the largest metropolitan areas in the United Kingdom and comprises ten metropolitan boroughs: Bolton, Bury, Oldham, Rochdale, Stockport, Tameside, Trafford, Wigan, and the...

, through which the canal passes.

The Rochdale is a Broad canal because its bridges and locks are wide enough to allow vessels of 14 ft width. The canal runs for 32 miles (51 km) across the Pennines

Pennines

The Pennines are a low-rising mountain range, separating the North West of England from Yorkshire and the North East.Often described as the "backbone of England", they form a more-or-less continuous range stretching from the Peak District in Derbyshire, around the northern and eastern edges of...

 from the Bridgewater Canal

Bridgewater Canal

The Bridgewater Canal connects Runcorn, Manchester and Leigh, in North West England. It was commissioned by Francis Egerton, 3rd Duke of Bridgewater, to transport coal from his mines in Worsley to Manchester...

 at Castlefield

Castlefield

Castlefield is an inner city area of Manchester, in North West England. The conservation area which bears its name is bounded by the River Irwell, Quay Street, Deansgate and the Chester Road. It was the site of the Roman era fort of Mamucium or Mancunium which gave its name to Manchester...

 Basin in Manchester

Manchester

Manchester is a city and metropolitan borough in Greater Manchester, England. According to the Office for National Statistics, the 2010 mid-year population estimate for Manchester was 498,800. Manchester lies within one of the UK's largest metropolitan areas, the metropolitan county of Greater...

 to join the Calder and Hebble Navigation

Calder and Hebble Navigation

The Calder and Hebble Navigation is a Broad inland waterway in West Yorkshire, England, which has remained navigable since it was opened.-History:...

 at Sowerby Bridge

Sowerby Bridge

Sowerby Bridge is a market town that lies within the Upper Calder Valley in the district of Calderdale in the county of West Yorkshire, in northern England.-Geography:Sowerby Bridge is situated on the edge of Halifax, about three miles from its centre...

 in West Yorkshire

West Yorkshire

West Yorkshire is a metropolitan county within the Yorkshire and the Humber region of England with a population of 2.2 million. West Yorkshire came into existence as a metropolitan county in 1974 after the passage of the Local Government Act 1972....

.

As originally built, the canal had 92 locks.