Duke of Northumberland's River
The Duke of Northumberland's River consists of two sections of artificial waterway in west London, England. The older name: "Isleworth Mill Stream", or River, more accurately describes the economic motivation for their construction.
The western section was constructed during the reign of King Henry VIII to augment the flow supplying existing mills and to supply new mills, a source of revenue for the Duke of Northumberland's estate.
This section diverts water from the River Colne at Longford, flowing eastwards to the River Crane. For a large part of its early course, it flows alongside its younger "twin", the Longford River. The section past Heathrow was diverted south in 1944 when Heathrow Airport was constructed. Both rivers have recently been diverted as part of the Twin Rivers Diversion Scheme associated with the construction of Terminal 5. They skirt the western and southern perimeter of Heathrow Airport then separate at The Two Bridges in Bedfont, southeast of Terminal 4.
The Duke's River then flows east to join the Crane in Donkey Wood, by Baber Bridge, west of Hounslow Heath.
The eastern section diverts water from the Crane in Kneller Gardens, Whitton, north-eastwards past The Stoop and Twickenham Stadium, through Isleworth, originally to the Mill then onwards to supply the ornamental ponds in the Duke of Northumberland's estate at Syon Park. Sluices control the flow into the park and the Thames at Isleworth Ait.
- For book references see London Heathrow Airport#Bibliography.
- Sherwood 2006, p.11
- Sherwood 2006, p.10
- Sherwood, Philip. (2006) Around Heathrow Past & Present. Stroud: Sutton Publishing ISBN 0-7509-4135-9
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