Name Confluence Average3 /s) [ 1]   Source Length Tributaries Catchment Notes  Ebbsfleet River    Northfleet   51°27′01″N 0°19′47″E   /  51.4503°N 0.3296°E   / 51.4503; 0.3296   (Northfleet )   Springhead , just S. of the A2 road  at Southfleet   2.4 miles (3.9   km) Approx. 10 miles due west of London Stone  at grid reference   TQ860786     Mardyke    Purfleet   51°29′08″N 0°13′40″E   /  51.4856°N 0.2278°E   / 51.4856; 0.2278   (Mardyke )  0.48 Holden's Wood between Great Warley  and Little Warley   [ 2]   11 miles (18   km) 35 square miles (91   km 2 ) Darent  River Darent   Dartford   51°28′49″N 0°13′03″E   /  51.4802°N 0.2176°E   / 51.4802; 0.2176   (River Darent )  0.72  Westerham   21 miles (34   km)  River Cray   154 square miles (400   km 2 )  [ 3]  Tidal reach: Dartford Creek   Ingrebourne  River Ingrebourne  or Ingrebourne Rainham, London   51°30′27″N 0°10′24″E   /  51.5075°N 0.1733°E   / 51.5075; 0.1733   (River Ingrebourne )  0.33  Brentwood   27 miles (43   km) Tidal reach: Rainham Creek Beam  River Beam  and/or Rom  and Bourne Brook Dagenham   51°30′42″N 0°09′31″E   /  51.5118°N 0.1587°E   / 51.5118; 0.1587   (River Beam )  0.34  Stapleford Abbotts  Golf Club, Watton's Green   13 miles (21   km)  The Ravensbourne   Rom upstream of inflow of Ravensbourne Beam  Wogebourne   Crossness , Thamesmead   51°30′45″N 0°07′27″E   /  51.5125°N 0.12417°E   / 51.5125; 0.12417   (Wogebourne )   Oxleas Wood , Shooter's Hill   5 miles (8.0   km) Roding  River Roding   Creekmouth   51°30′52″N 0°05′55″E   /  51.5145°N 0.0987°E   / 51.5145; 0.0987   (River Roding )  1.85 Molehill Green, near Dunmow   31 miles (50   km)  [ 4]  Cripsey BrookAlders Brook   132 square miles (340   km 2 )  [ 5]  Tidal reach: Barking Creek   Lea00  River Lea   Leamouth   51°30′26″N 0°00′33″E   /  51.5071°N 0.0092°E   / 51.5071; 0.0092   (River Lea )  5.48  Leagrave   42 miles (68   km)  The Hackney Brook  River Moselle  Pymmes Brook  River Ching  Turkey Brook  River Stort  River Beane  River Mimram   550 square miles (1,400   km 2 )  [ 5]  Tidal reach: Bow Creek   Ravensbourne  River Ravensbourne  or Ravensbourne Deptford   51°29′01″N 0°01′07″W   /  51.4835°N 0.0185°W   / 51.4835; -0.0185   (River Ravensbourne )  0.43  Keston   11 miles (18   km) Spring Brook River Pool  River Quaggy   69 square miles (180   km 2 ) Tidal reach: Deptford Creek Neckinger  River Neckinger  or the Neckinger Channel Shad Thames   51°30′09″N 0°04′15″W   /  51.5024°N 0.0708°W   / 51.5024; -0.0708   (River Neckinger )  north Southwark   0.8 miles (1.3   km)  (about; longer old catchment drains to other surface and combined water conduits) Mainly diverted to surface and combined sewer drains   Wal  River Walbrook  or WalbrookWalbrook Wharf, just west of Cannon Street railway station . 51°30′34″N 0°05′34″W   /  51.5094°N 0.0928°W   / 51.5094; -0.0928   (River Walbrook )  north walls of City of London  (trad. ) 0 miles (0   km)  Diverted to surface and combined sewer drains   Fleet  River Fleet  or Fleet streamBazelgette's Mid and Lower Northern Interceptor Sewers (previously a stream/field ditch ending at Blackfriars, London ) 51°30′39″N 0°06′17″W   /  51.5108°N 0.1048°W   / 51.5108; -0.1048   (River Fleet )   Hampstead Heath   1 mile (1.6   km)  (as to connecting lengths of ponds) Lamb's Conduit , Fagswell Brook    Diverted to surface and combined sewer drains . Was also known as the Holbourne/Holborn Effra  River Effra   Vauxhall   51°29′14″N 0°07′33″W   /  51.4873°N 0.1258°W   / 51.4873; -0.1258   (River Effra )  west and east limits of Gypsy Hill , London 0 miles (0   km)  Diverted to surface and combined sewer drains   Tyburn  River Tyburn , the Tyburn or the Ty Bournenorth and south of Vauxhall Bridge , and small forked mouth around Horseguards Avenue, Westminster (4 mouths) 51°29′17″N 0°07′43″W   /  51.4880°N 0.1287°W   / 51.4880; -0.1287   (Tyburn )   South Hampstead   0 miles (0   km)  Diverted to surface and combined sewer drains    Falconbrook    Battersea   51°28′05″N 0°10′51″W   /  51.4680°N 0.1808°W   / 51.4680; -0.1808   (Falconbrook )   Tooting Graveney Common , Tooting and east end of Poynder's Road, Clapham [ 6]   [ 7]   0 miles (0   km)  Diverted to surface and combined sewer drains   Westbourne  River Westbourne   Chelsea   51°29′06″N 0°09′13″W   /  51.4850°N 0.1537°W   / 51.4850; -0.1537   (River Westbourne )  Grange Gardens, Hampstead, West Hampstead  and two sources in east Willesden  (today's Brondesbury Park ) 0 miles (0   km)  Tyburn Brook    Diverted to surface and combined sewer drains    Counter's Creek   west Chelsea /east Fulham 51°28′40″N 0°10′46″W   /  51.4778°N 0.1794°W   / 51.4778; -0.1794   (Counter's Creek )   Kensal Green   0 miles (0   km)  Diverted to surface and combined sewer drains   Wandle  River Wandle   Wandsworth   51°27′46″N 0°11′43″W   /  51.4629°N 0.1952°W   / 51.4629; -0.1952   (River Wandle )  1.7  Waddon   9 miles (14   km)  River Graveney   78 square miles (200   km 2 )  [ 5]   Beverley Brook    Putney   51°28′18″N 0°13′22″W   /  51.4718°N 0.2229°W   / 51.4718; -0.2229   (Beverley Brook )   Worcester Park   9 miles (14   km)  [ 5]   Pyl Brook   25 square miles (65   km 2 )  [ 5]   Stamford Brook    Hammersmith   51°29′25″N 0°14′03″W   /  51.4903°N 0.2341°W   / 51.4903; -0.2341   (Stamford Brook )   Acton   0 miles (0   km)  Diverted to surface and combined sewer drains  –  old tidal mouth: Hammersmith Creek    Bollo or Bollar Brook    Chiswick   51°28′46″N 0°15′04″W   /  51.4794°N 0.2512°W   / 51.4794; -0.2512   (Bollo Brook )   Acton   0 miles (0   km)  Diverted to surface and combined sewer drains   Brent  River Brent   Brentford   51°28′59″N 0°18′00″W   /  51.4830°N 0.3000°W   / 51.4830; -0.3000   (River Brent )  1.32  Barnet   18 miles (29   km)  Dollis Brook  Folly Brook  Mutton Brook   58 square miles (150   km 2 )  [ 5]   Duke of Northumberland's River  (west) and (east)  Isleworth   51°28′13″N 0°19′16″W   /  51.4704°N 0.3212°W   / 51.4704; -0.3212   (Duke of Northumberland's River )   River Crane  & River Colne 9.3 miles (15.0   km)  (includes eastern 2.5 miles)Artificial distributary of the Colne and Crane Crane  River Crane   Isleworth   51°27′55″N 0°19′17″W   /  51.4654°N 0.3215°W   / 51.4654; -0.3215   (River Crane )  0.54  Hayes, Hillingdon   9 miles (14   km)  Yeading Brook   42 square miles (110   km 2 )  [ 5]   Sudbrook    Petersham   51°26′55″N 0°18′21″W   /  51.4487°N 0.3058°W   / 51.4487; -0.3058   (Sudbrook (stream) )  Dann's Pond, Richmond Park   2 miles (3.2   km) Latchmere Stream  Culverted    Hogsmill River    Kingston upon Thames   51°24′33″N 0°18′31″W   /  51.4093°N 0.3085°W   / 51.4093; -0.3085   (Hogsmill River )  0.98  Ewell   6 miles (9.7   km) Bonesgate Stream 28 square miles (73   km 2 ) Rythe  The Rythe   Thames Ditton   51°23′28″N 0°19′34″W   /  51.3911°N 0.3260°W   / 51.3911; -0.3260   (The Rythe )  north Oxshott   4.2 miles (6.8   km) Mole  River Mole   Molesey   51°24′04″N 0°20′21″W   /  51.4012°N 0.3393°W   / 51.4012; -0.3393   (River Mole )  5.43  Rusper   50 miles (80   km) Ifield BrookGatwick Stream  The Rye   198 square miles (510   km 2 )  Longford River    Hampton Court Palace   51°24′05″N 0°20′18″W   /  51.4013°N 0.3383°W   / 51.4013; -0.3383   (Longford River )   River Colne   12 miles (19   km) Artificial distributary of the Colne Ash  River Ash  southwest corner of Sunbury-on-Thames   51°23′52″N 0°25′02″W   /  51.3977°N 0.4173°W   / 51.3977; -0.4173   (River Ash )   River Colne   6.2 miles (10.0   km)  [ 8]  Distributary of the Colne Wey  River Wey  (and Caker Stream) Weybridge   51°22′49″N 0°27′25″W   /  51.3804°N 0.4570°W   / 51.3804; -0.4570   (River Wey )  6.95  Hartley Mauditt  and Upper Farringdon, Hampshire  (main, north or west branch);Fernhurst /Lurgashall  in South Downs National Park  (south branch) 53 miles (85   km)  River Ock, Surrey  Cranleigh Waters  River Tillingbourne   350 square miles (910   km 2 ) Source of south branch about 52 miles to/from mouth. Bourne  River Bourne, Chertsey   Weybridge   51°22′43″N 0°27′50″W   /  51.3785°N 0.4638°W   / 51.3785; -0.4638   (River Bourne )   Windsor Great Park , Ascot  and Swinley Forest 13.2 miles (21.2   km)  River Bourne, Addlestone   Colne  River Colne   Staines   51°25′58″N 0°30′55″W   /  51.4329°N 0.5152°W   / 51.4329; -0.5152   (River Colne )  4.05 (before all distributaries)  North Mymms   36 miles (58   km)  River Pinn  River Misbourne  River Chess  River Gade  River Ver    Colne Brook    Hythe End , Wraysbury 51°26′16″N 0°32′07″W   /  51.4379°N 0.5352°W   / 51.4379; -0.5352   (Colne Brook )   River Colne   9.2 miles (14.8   km) Distributary of the Colne Cut  The Cut   Bray   51°29′57″N 0°40′53″W   /  51.4991°N 0.6815°W   / 51.4991; -0.6815   (The Cut )   North Ascot   14 miles (23   km)  Bull Brook , The Bourne Wye  River Wye   Bourne End   51°34′13″N 0°42′40″W   /  51.5704°N 0.7111°W   / 51.5704; -0.7111   (River Wye )  1.00  West Wycombe   51°38′52″N 0°48′45″W   /  51.647802°N 0.812522°W   / 51.647802; -0.812522   (River Wye )  8.7 miles (14.0   km) Hughenden Stream In wet years this river is additionally sourced by an aquifer further up the same valley, extending the river by another mile in length. Hamble Brook Hambleden Marina 51°33′31″N 0°52′10″W   /  51.5585°N 00.8695°W   / 51.5585; -00.8695   (Hamble Brook )  Sourced by an aquifer in the Hambleden Valley, occasionally dry. Loddon  River Loddon   Wargrave   51°30′06″N 0°52′48″W   /  51.5017°N 0.8800°W   / 51.5017; -0.8800   (River Loddon )  2.16 Basingstoke 28 miles (45   km)  St Patrick's Stream  River Broadwater  Emm Brook  River Blackwater   400 square miles (1,000   km 2 ) Berry Brook  Berry Brook   Hallsmead Ait , near Shiplake   51°29′29″N 0°53′43″W   /  51.4913°N 0.8953°W   / 51.4913; -0.8953   (Berry Brook )  street (Surface Water) drains of South View Avenue, Caversham   4 miles (6.4   km) Kennet  River Kennet   Reading   51°27′32″N 0°56′58″W   /  51.4590°N 0.9495°W   / 51.4590; -0.9495   (River Kennet )  9.75 Swallowhead spring and others near Silbury Hill   45 miles (72   km)  Foudry Brook  Clayhill Brook  River Enborne  River Lambourn  River Dun  River Og   450 square miles (1,200   km 2 )  [ 9]  Pang  River Pang   Pangbourne   51°29′09″N 1°05′17″W   /  51.4858°N 1.0880°W   / 51.4858; -1.0880   (River Pang )  0.62  Compton   14 miles (23   km)  River Bourne, Berkshire  River Roden   66 square miles (170   km 2 )  [ 10]  Thame  River Thame   Dorchester   51°38′05″N 1°09′58″W   /  51.6348°N 1.1660°W   / 51.6348; -1.1660   (River Thame )  3.90  Rowsham  / Cheddington , Vale of Aylesbury   40 miles (64   km) 310 square miles (800   km 2 )  [ 11]  Ock  River Ock   Abingdon   51°39′59″N 1°17′02″W   /  51.6665°N 1.2838°W   / 51.6665; -1.2838   (River Ock )  1.52 Cock Well, Little Coxwell   21 miles (34   km) Holywell Brook (rising in same parish) Cherwell  River Cherwell   Oxford   51°44′32″N 1°14′54″W   /  51.7421°N 1.2483°W   / 51.7421; -1.2483   (River Cherwell )  7.2  Hellidon   40 miles (64   km)  River Ray  River Swere   364 square miles (940   km 2 )  [ 12]  Evenlode  River Evenlode  Above King's Lock   51°47′06″N 1°20′16″W   /  51.7849°N 1.3378°W   / 51.7849; -1.3378   (River Evenlode )  3.7  Moreton-in-Marsh , Oxfordshire 10 miles (16   km)  River Glyme   Windrush  River Windrush   Newbridge   51°42′36″N 1°25′02″W   /  51.7100°N 1.4173°W   / 51.7100; -1.4173   (River Windrush )  3.27  Taddington, Gloucestershire   40 miles (64   km)  River Dikler  River Eye, Gloucestershire   140 square miles (360   km 2 )  [ 13]  Cole  River Cole  Above Buscot Lock   51°41′19″N 1°40′38″W   /  51.6887°N 1.6772°W   / 51.6887; -1.6772   (River Cole )  1.20 Burderop Park, Hodson, Wiltshire   17 miles (27   km) Dorcan Stream (has subsumed original Cole sources) Leach  River Leach   Lechlade   51°41′21″N 1°40′38″W   /  51.6891°N 1.6772°W   / 51.6891; -1.6772   (River Leach )  0.75  Hampnett , Gloucestershire 18 miles (29   km) Coln00  River Coln   Lechlade   51°41′17″N 1°42′19″W   /  51.6881°N 1.7052°W   / 51.6881; -1.7052   (River Coln )  2.06  Brockhampton, Gloucestershire   30 miles (48   km) Ray  River Ray, Wiltshire   Cricklade   51°38′39″N 1°49′31″W   /  51.6442°N 1.8252°W   / 51.6442; -1.8252   (River Ray )  1.28 Markham Hill, Wroughton , Wiltshire   12 miles (19   km) Key  River Key   Cricklade   51°38′33″N 1°50′46″W   /  51.6424°N 1.8461°W   / 51.6424; -1.8461   (River Key )  West of Battle Lake, Braydon   6.5 miles (10.5   km) Churn  River Churn   Cricklade   51°38′42″N 1°51′12″W   /  51.6450°N 1.8533°W   / 51.6450; -1.8533   (River Churn )  0.86  Seven Springs, Gloucestershire   16 miles (26   km)