Delph Locks or the Delph Nine are a series of eight (originally nine) narrow canal locks on the Dudley No. 1 Canal

Dudley Canal

The Dudley Canal is a canal passing though Dudley in the West Midlands of England. The canal is part of the English and Welsh connected network of navigable inland waterways, and in particular forms part of the popular Stourport Ring narrowboat cruising route....

 in Brierley Hill

Brierley Hill

Brierley Hill is a town and electoral ward of the Metropolitan Borough of Dudley, West Midlands, England. It is one of the larger Black Country towns with a population of 9,631 and is heavily industrialised, best known for glass and steel manufacturing, although the industry has declined...

, in the West Midlands

West Midlands (county)

The West Midlands is a metropolitan county in western central England with a 2009 estimated population of 2,638,700. It came into existence as a metropolitan county in 1974 after the passage of the Local Government Act 1972, formed from parts of Staffordshire, Worcestershire and Warwickshire. The...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

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The bottom lock at Black Delph Bridge is at the termination of the Dudley Canal and forms the boundary with the Stourbridge Canal

Stourbridge Canal

The Stourbridge Canal is a canal in the West Midlands of England. It links the Staffordshire and Worcestershire Canal with the Dudley Canal, and hence, via the Birmingham Canal Navigations, to Birmingham and the Black Country.-History:The Stourbridge and Dudley canals were originally proposed as a...

. The flight has distinctive waterfall overflow weirs It rises from the 356 feet (108.5 m) Stourbridge level to the 441 feet (134.4 m) level of the Dudley No. 1 canal.

The middle seven of the original 1779 locks were rebuilt in 1858 as six new locks, reducing the flight to eight. Some ruins of the old locks are visible to the side of the new. An iron roving bridge

Roving bridge

A roving bridge, changeline bridge or turnover bridge is a bridge over a canal constructed to allow a horse towing a boat to cross the canal when the towpath changes sides...

 manufactured by Horsley Ironworks stands near the top lock.

The Delph Locks and surrounding land form the Delph 'Nine' Locks Conservation Area, Brierley Hill, Metropolitan Borough of Dudley

Metropolitan Borough of Dudley

The Metropolitan Borough of Dudley is a metropolitan borough in the West Midlands of England. It was created in 1974, and is made up of the towns of Dudley , Stourbridge , Halesowen, Brierley Hill, Amblecote, Sedgley and Coseley...

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See also

• Canals of the United Kingdom
  Canals of the United Kingdom
  The canals of the United Kingdom are a major part of the network of inland waterways in the United Kingdom. They have a colourful history, from use for irrigation and transport, through becoming the focus of the Industrial Revolution, to today's role for recreational boating...
  
  
• History of the British canal system
  History of the British canal system
  The British canal system of water transport played a vital role in the United Kingdom's Industrial Revolution at a time when roads were only just emerging from the medieval mud and long trains of pack horses were the only means of "mass" transit by road of raw materials and finished products The...