Tributaries of the River Thames

This article lists the tributaries of the River Thames from the sea to the source, in England. It includes significant backwaters and waterways that have confluences with the main stream of the river. Most of the tributaries are natural, but a few were man-made.

In addition to those listed, the River Medway shares the Thames Estuary, and near Oxford the River Thames is also named The Isis.

Tributaries

NameConfluenceAverage discharge (m³/s)[1]SourceLengthTributariesCatchmentNotes
MardykePurfleet
51.4856°N 0.2278°E / 51.4856; 0.2278 (Mardyke)
0.48Holden's Wood between Great Warley and Little Warley[2]11 miles (18 km)35 square miles (91 km2)
DarentRiver DarentDartford
51.4802°N 0.2176°E / 51.4802; 0.2176 (River Darent)
0.72Westerham21 miles (34 km)River Cray154 square miles (400 km2)[3]Tidal reach Dartford Creek
IngrebourneRiver IngrebourneRainham, Essex
51.5075°N 0.1733°E / 51.5075; 0.1733 (River Ingrebourne)
0.33Brentwood27 miles (43 km)Tidal reach Rainham Creek
BeamRiver BeamDagenham
51.5118°N 0.1587°E / 51.5118; 0.1587 (River Beam)
0.34RomfordThe Ravensbourneknown as River Rom upstream of confluence with Ravensbourne
RodingRiver RodingCreekmouth
51.5145°N 0.0987°E / 51.5145; 0.0987 (River Roding)
1.85Molehill Green, near Dunmow31 miles (50 km)[4]Cripsey Brook
Cran Brook
Alders Brook
Seven Kings Water
Mayes Brook
132 square miles (340 km2)[5]tidal reach Barking Creek
Lea00River LeaLeamouth
51.5071°N 0.0092°E / 51.5071; 0.0092 (River Lea)
5.48Leagrave42 miles (68 km)River Moselle
The Hackney Brook
River Stort
Turkey Brook
River Beane
River Mimram
550 square miles (1,400 km2)[5]tidal reach Bow Creek
RavensbourneRiver RavensbourneDeptford
51.4835°N 0.0185°W / 51.4835; -0.0185 (River Ravensbourne)
0.43Keston11 miles (18 km)Spring Brook
River Pool
River Quaggy
69 square miles (180 km2)tidal reach Deptford Creek
NeckingerRiver NeckingerShad Thames
51.5024°N 0.0708°W / 51.5024; -0.0708 (River Neckinger)
Southwarksubterranean
WalbrookFinsbury
51.5094°N 0.0928°W / 51.5094; -0.0928 (Walbrook)
City of Londonsubterranean
FleetRiver FleetBlackfriars, London
51.5108°N 0.1048°W / 51.5108; -0.1048 (River Fleet)
Hampstead Heathsubterranean also known as the Holbourne
EffraRiver EffraVauxhall
51.4873°N 0.1258°W / 51.4873; -0.1258 (River Effra)
Crystal Palace, Londonsubterranean
TyburnRiver TyburnPimlico
51.4880°N 0.1287°W / 51.4880; -0.1287 (River Tyburn)
Hampsteadsubterranean
FalconbrookBattersea
51.4680°N 0.1808°W / 51.4680; -0.1808 (Falconbrook)
Tooting Bec Commonsubterranean
WestbourneRiver WestbourneChelsea
51.4850°N 0.1537°W / 51.4850; -0.1537 (River Westbourne)
HampsteadTyburn Brooksubterranean
Counter's CreekChelsea
51.4778°N 0.1794°W / 51.4778; -0.1794 (Counter's Creek)
Kensal Greensubterranean
WandleRiver WandleWandsworth
51.4629°N 0.1952°W / 51.4629; -0.1952 (River Wandle)
1.7Waddon9 miles (14 km)River Graveney
Caterham Bourne
Coulsdon Bourne
78 square miles (200 km2)[5]
Beverley BrookPutney
51.4718°N 0.2229°W / 51.4718; -0.2229 (Beverley Brook)
Worcester Park9 miles (14 km)[5]Pyl Brook25 square miles (65 km2)[5]
Stamford BrookHammersmith
51.4903°N 0.2341°W / 51.4903; -0.2341 (Stamford Brook)
Actonsubterranean - tidal reach Hammersmith Creek
Bollar or Bollo BrookChiswick
51.4794°N 0.2512°W / 51.4794; -0.2512 (Bollo Brook)
Actonsubterranean
BrentRiver BrentBrentford
51.4830°N 0.3000°W / 51.4830; -0.3000 (River Brent)
1.32Barnet18 miles (29 km)Dollis Brook
Folly Brook Mutton Brook
58 square miles (150 km2)[5]
Duke of Northumberland's RiverIsleworth
51.4704°N 0.3212°W / 51.4704; -0.3212 (Duke of Northumberland's River)
River CraneArtificial
CraneRiver CraneIsleworth
51.4654°N 0.3215°W / 51.4654; -0.3215 (River Crane)
0.54Hayes, Hillingdon9 miles (14 km)Yeading Brook42 square miles (110 km2)[5]
SudbrookPetersham
51.4487°N 0.3058°W / 51.4487; -0.3058 (Sudbrook (stream))
Dann's Pond, Richmond Park2 miles (3.2 km)Latchmere Streamsubterranean
Hogsmill RiverKingston upon Thames
51.4093°N 0.3085°W / 51.4093; -0.3085 (Hogsmill River)
0.98Ewell6 miles (9.7 km)Bonesgate Stream28 square miles (73 km2)
RytheThe RytheThames Ditton
51.3911°N 0.3260°W / 51.3911; -0.3260 (The Rythe)
Oxshott
MoleRiver MoleMolesey
51.4012°N 0.3393°W / 51.4012; -0.3393 (River Mole)
5.43Rusper50 miles (80 km)Ifield Brook
Gatwick Stream
Earlswood Brook
Pipp Brook
The Rye
198 square miles (510 km2)
Longford RiverHampton Court Palace
51.4013°N 0.3383°W / 51.4013; -0.3383 (Longford River)
River Colne12 miles (19 km)Artificial
AshRiver AshLower Sunbury
51.3977°N 0.4173°W / 51.3977; -0.4173 (River Ash)
River Colne7 miles (11 km)
WeyRiver WeyWeybridge
51.3804°N 0.4570°W / 51.3804; -0.4570 (River Wey)
6.95Farringdon, Hampshire
Alton
87 miles (140 km)River Tillingbourne
River Ock, Surrey
350 square miles (910 km2)Wey has north and south branches
BourneRiver BourneWeybridge
51.3785°N 0.4638°W / 51.3785; -0.4638 (River Bourne)
Windsor Great Park,
West End, Woking
River Bourne, Chertsey,
River Bourne, Addlestone
The north and south branches merge shortly before entering the Thames
ColneRiver ColneStaines
51.4329°N 0.5152°W / 51.4329; -0.5152 (River Colne)
4.05North MymmsWraysbury River
Frays River
River Misbourne
River Chess
River Gade
River Ver
Colne BrookHythe End
51.4379°N 0.5352°W / 51.4379; -0.5352 (Colne Brook)
River ColneDistributary of Colne
CutThe CutBray
51.4991°N 0.6815°W / 51.4991; -0.6815 (The Cut)
North Ascot14 miles (23 km)Bull Brook
WyeRiver WyeBourne End
51.5704°N 0.7111°W / 51.5704; -0.7111 (River Wye)
1.00Bradenham9 miles (14 km)
LoddonRiver LoddonWargrave
51.5017°N 0.8800°W / 51.5017; -0.8800 (River Loddon)
2.16Basingstoke28 miles (45 km)St Patrick's Stream
River Broadwater
Emm Brook
River Blackwater
400 square miles (1,000 km2)
Berry BrookBerry BrookHallsmead Ait, near Shiplake
51.4913°N 0.8953°W / 51.4913; -0.8953 (Berry Brook)
Redgrave-Pinsent Rowing Lake, Caversham
KennettRiver KennetReading
51.4590°N 0.9495°W / 51.4590; -0.9495 (River Kennet)
9.75Swallowhead Spring45 miles (72 km)Foudry Brook
Clayhill Brook
River Enborne
River Lambourn
River Dun
River Og
450 square miles (1,200 km2)[6]
PangRiver PangPangbourne
51.4858°N 1.0880°W / 51.4858; -1.0880 (River Pang)
0.62Compton14 miles (23 km)River Bourne, Berkshire
River Roden
66 square miles (170 km2)[7]
ThameRiver ThameDorchester
51.6348°N 1.1660°W / 51.6348; -1.1660 (River Thame)
3.90Rowsham / Cheddington, Vale of Aylesbury40 miles (64 km)310 square miles (800 km2)[8]
OckRiver OckAbingdon
51.6665°N 1.2838°W / 51.6665; -1.2838 (River Ock)
1.52Little Coxwell
CherwellRiver CherwellOxford
51.7421°N 1.2483°W / 51.7421; -1.2483 (River Cherwell)
7.2Hellidon40 miles (64 km)River Ray
River Swere
364 square miles (940 km2)[9]
EvenlodeRiver EvenlodeAbove King's Lock
51.7849°N 1.3378°W / 51.7849; -1.3378 (River Evenlode)
3.7Moreton-in-Marsh
River Glyme
WindrushRiver WindrushNewbridge
51.7100°N 1.4173°W / 51.7100; -1.4173 (River Windrush)
3.27Taddington, Gloucestershire35 miles (56 km)River Dikler140 square miles (360 km2)[10]
ColeRiver ColeAbove Buscot Lock
51.6887°N 1.6772°W / 51.6887; -1.6772 (River Cole)
1.20Wanborough, Wiltshire
LeachRiver LeachLechlade
51.6891°N 1.6772°W / 51.6891; -1.6772 (River Leach)
0.75Hampnett, Gloucestershire18 miles (29 km)
Coln00River ColnLechlade
51.6881°N 1.7052°W / 51.6881; -1.7052 (River Coln)
2.06Brockhampton, Gloucestershire
RayRiver Ray, WiltshireCricklade
51.6442°N 1.8252°W / 51.6442; -1.8252 (River Ray)
1.28Wroughton, Wiltshire
KeyRiver KeyCricklade
51.6424°N 1.8461°W / 51.6424; -1.8461 (River Key)
Purton
ChurnRiver ChurnCricklade
51.6450°N 1.8533°W / 51.6450; -1.8533 (River Churn)
0.86Seven Springs, Gloucestershire16 miles (26 km)

The average discharge is taken from the lowest point at which measurements are taken, which may be upstream of the confluence.

Backwaters and cuts

NameConfluenceLengthEffluenceNotes
Desborough CutWalton-on-Thames 51.3839°N 0.4359°W / 51.3839; -0.4359 (Desborough Cut)0.75 miles (1.21 km)WeybridgeArtificial
Abbey RiverChertsey Lock 51.3926°N 0.4878°W / 51.3926; -0.4878 (Abbey River)Penton Hook Island
Jubilee RiverBlack Potts Ait 51.4906°N 0.5931°W / 51.4906; -0.5931 (Jubilee River)7.2 miles (11.6 km)Boulter's LockArtificial
Clewer Mill StreamQueen Elizabeth Bridge 51.4867°N 0.6239°W / 51.4867; -0.6239 (Clewer Mill Stream)Bush Ait
Hennerton BackwaterFerry Eyot 51.5224°N 0.8777°W / 51.5224; -0.8777 (Hennerton Backwater)1.25 miles (2.01 km)Unnamed Eyot
Swift DitchCulham Bridge 51.6580°N 1.2777°W / 51.6580; -1.2777 (Swift Ditch)Abingdon Lock
Seacourt Stream and Hinksey StreamKennington Railway Bridge 51.7215°N 1.2428°W / 51.7215; -1.2428 (Hinksey Stream)Wytham
Castle Mill StreamGasworks Bridge, Oxford 51.7463°N 1.2636°W / 51.7463; -1.2636 (Castle Mill Stream)Port Meadow
Bulstake StreamOsney Rail Bridge51.7469°N 1.2674°W / 51.7469; -1.2674 (Bulstake Stream)Four Rivers, Oxford
Sheepwash ChannelFour Rivers, Oxford 51.7555°N 1.2719°W / 51.7555; -1.2719 (Sheepwash Channel)Castle Mill Stream at Isis Lock
Kingsbridge BrookGodstow Lock51.7788°N 1.2972°W / 51.7788; -1.2972 (Kingsbridge Brook)Wolvercote Mill Stream

Linked waterways

NameConfluenceLengthDestinationNotes
Regent's CanalLimehouse Basin 51.5120°N 0.0367°W / 51.5120; -0.0367 (Regent's Canal)Paddington Basin
Lee Navigation via River LeaBow, London 51.5071°N 0.0092°E / 51.5071; 0.0092 (River Lea)Hertford Castle Weir
Grand Union Canal via River BrentBrentford 51.4830°N 0.3000°W / 51.4830; -0.3000 (River Brent)Birmingham
Wey and Godalming NavigationsWeybridge 51.3804°N 0.4570°W / 51.3804; -0.4570 (River Wey)20 miles (32 km)Godalming
Maidenhead WaterwaysBray 51.4991°N 0.6815°W / 51.4991; -0.6815 (Maidenhead Waterways)unnavigable
Kennet and Avon Canal via River KennetReading 51.4590°N 0.9495°W / 51.4590; -0.9495 (River Kennet)87 miles (140 km)Bristol
Wilts & Berks CanalAbingdon 51.6510°N 1.2827°W / 51.6510; -1.2827 (Wilts & Berks Canal)52 miles (84 km)Kennet and Avon Canal at Semington near Melkshamabandoned 1914, under restoration
Oxford Canal via Sheepwash Channel, Oxford
via Dukes Cut
Oxford 51.7463°N 1.2636°W / 51.7463; -1.2636 (Oxford Canal via Oxford)
King's Lock 51.7896°N 1.3085°W / 51.7896; -1.3085 (Oxford Canal via King's Lock)
78 miles (126 km)Coventry
Thames and Severn Canal via River ColnLechlade 51.6881°N 1.7052°W / 51.6881; -1.7052 (River Coln)Stroudclosed 1933, under restoration

See also

References

  1. Marsh, T; Hannaford, J, eds. (2008). UK Hydrometric Register (PDF). Hydrological data UK series. Wallingford, Oxfordshire: Centre for Ecology & Hydrology. ISBN 978-0-9557672-2-7. Archived from the original (PDF) on 21 May 2013.CS1 maint: ref=harv (link)
  2. Thurrock Flood Risk Assessment Archived 16 August 2011 at the Wayback Machine
  3. Maltby E. "River Darent". SuRCaSE project. University of Liverpool. Retrieved 21 December 2010.
  4. River Roding fluvial/tidal flood defence project - National Environmental Research Council, 1992
  5. "HA16 Rivers and Streams" (PDF). Gateway to WildPRO. Wildlife Information Network. 2004. Retrieved 20 December 2010.
  6. Maltby E. "River Kennett". SuRCaSE project. University of Liverpool. Archived from the original on 6 September 2012. Retrieved 20 December 2010.
  7. Neal C (2000). "The water quality of a tributary of the Thames, the Pang, southern England". Science of the Total Environment. Elsevier. 251-252: 459–475. doi:10.1016/S0048-9697(00)00399-5. PMID 10847178.
  8. Neal C (2006). "The water quality of the River Thame in the Thames Basin of south/south-eastern England". Science of the Total Environment. Elsevier. 360 (1–3): 254–271. doi:10.1016/j.scitotenv.2005.08.039. PMID 16253309.
  9. Neal C (2006). "River water quality of the River Cherwell: An agricultural clay-dominated catchment in the upper Thames Basin, southeastern England". Science of the Total Environment. Elsevier. 360 (1–3): 272–289. doi:10.1016/j.scitotenv.2005.08.040. PMID 16253306.
  10. Johnes PJ (1991). "Water Quality Trends in the Windrush Catchment: Nitrogen Speciation and Sediment Interactions" (PDF). Sediment and Stream Water Quality in a Changing Environment: Trends and Explanation. International Association of Hydrological Sciences. 203: 349–357. Retrieved 21 December 2010.
  • Cove-Smith, Chris (2006). The River Thames Book. Imray Laurie Norie and Wilson. ISBN 0-85288-892-9.
  • Fred. S. Thacker The Thames Highway: Volume II Locks and Weirs, 1920. Republished by David & Charles, 1968.
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