Calder and Hebble Navigation
Overview
 
The Calder and Hebble Navigation is a Broad (i.e. with 14 feet (4.3 m) locks and bridgeholes) inland waterway
Waterway
A waterway is any navigable body of water. Waterways can include rivers, lakes, seas, oceans, and canals. In order for a waterway to be navigable, it must meet several criteria:...

 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....

, England, which has remained navigable since it was opened.
By the beginning of the 18th century, the Aire and Calder Navigation
Aire and Calder Navigation
The Aire and Calder Navigation is a river and canal system of the River Aire and the River Calder in the metropolitan county of West Yorkshire, England. The first improvements to the rivers above Knottingley were completed in 1704 when the Aire was made navigable to Leeds and the Calder to...

 had made the River Calder
River Calder, West Yorkshire
The River Calder is a river in West Yorkshire, in Northern England.The Calder rises on the green eastern slopes of the Pennines flows through alternating green countryside, former woollen-mill villages, and large and small towns before joining the River Aire near Castleford.The river's valley is...

 navigable as far upstream as Wakefield
Wakefield
Wakefield is the main settlement and administrative centre of the City of Wakefield, a metropolitan district of West Yorkshire, England. Located by the River Calder on the eastern edge of the Pennines, the urban area is and had a population of 76,886 in 2001....

. The aim of the Calder and Hebble Navigation was to extend navigation west (upstream) from Wakefield to 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...

 near Halifax
Halifax, West Yorkshire
Halifax is a minster town, within the Metropolitan Borough of Calderdale in West Yorkshire, England. It has an urban area population of 82,056 in the 2001 Census. It is well-known as a centre of England's woollen manufacture from the 15th century onward, originally dealing through the Halifax Piece...

.

The first attempt to obtain an Act of Parliament
Act of Parliament
An Act of Parliament is a statute enacted as primary legislation by a national or sub-national parliament. In the Republic of Ireland the term Act of the Oireachtas is used, and in the United States the term Act of Congress is used.In Commonwealth countries, the term is used both in a narrow...

 was made in 1740, as a result of a petition by the people of Halifax, Ripponden and Elland.
 
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