Duke of Northumberland's River
| Duke of Northumberland's River | ||
 The Duke of Northumberland's River at Feltham |
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| Data | ||
| location |
London Borough of Hillingdon , London Borough of Hounslow , London Borough of Richmond upon Thames , England |
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| River system | Thames | |
| Drain over | Thames → North Sea | |
| source | from the River Colne 51 ° 28 ′ 50 " N , 0 ° 29 ′ 34" W. |
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| muzzle | In the Thames Coordinates: 51 ° 28 ′ 14 " N , 0 ° 19 ′ 18" W 51 ° 28 ′ 14 " N , 0 ° 19 ′ 18" W
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| Medium-sized cities | Twickenham , Isleworth | |
| Small towns | Feltham | |
The Duke of Northumberland's River is a watercourse in Greater London , England . It is separated from the River Colne on the northwest corner of Heathrow Airport near Longford . It flows parallel to the Longford River to the west and south of the airport. However, while the Longford River branches off to the southeast at Feltham, the Duke of Northumberland's River continues its course in an easterly direction. It flows west of Hunslow Heath into the River Crane . ( 51 ° 27 ′ 35 ″ N , 0 ° 24 ′ 5 ″ W ) In Twickenham the Duke of Northumberland 'River separates from the River Crane ( 51 ° 26 ′ 50 ″ N , 0 ° 20 ′ 50 ″ W ) and flows first northwards west of Twickenham Stadium . In Isleworth the course turns at a 90 degree angle to the east, and then flows into the Thames at Isleworth Ait .
