List of rivers of Great Britain
Encyclopedia : L : LI : LIS : List of rivers of Great Britain
This is a list of rivers of Great Britain. Rivers of England and Wales, organised geographically, taken anti-clockwise, from Land's End are included. For Northern Irish rivers see the Rivers of Ireland article. For Scottish Rivers see List of rivers in Scotland. Tributaries are listed down the page in an upstream direction.
For simplicity, they are divided here by the nation in which the mouth of the river can be found, and sea into which it flows.
- 1 In England, flowing into the
- 2 In England, flowing into the
- 3 In England, flowing into the North Sea - North of the
- 4 Scotland
- 5 In England, flowing into the
- 6 Isle of
- 7 In Wales, flowing into the
- 8 In Wales, flowing into the
- 9 In England, flowing into the
- 10
- 11 The
- 12 Longest rivers in the United Kingdom
- 13 See also
In England, flowing into the
From Lizard point to Foreness Point
- River Fal
- *River Truro
- River Fowey
- River Looe
- *East Looe River
- *West Looe River
- River Tamar
- *River Tavy
- ** The Collybrooke
- **River Burn
- **River Wallabrooke
- **River Lumburn
- **River Walkham
- River Plym
- River Avon
- River Dart
- River Teign
- River Exe
- *River Clyst
- *Alphin Brook
- *North Brook
- *Duryard Stream
- *River Lowman
- *River Batherm
- *River Creedy
- *River Barle
- *River Culm
- **River Madford
- *River Ock
- River Otter
- River Axe
- River Wey
- River Corfe
- River Frome
- *River Cerne
- River Piddle or Trent
- River Sherford
- River Stour
- *Moors River
- River Avon
- *River Bourne
- *River Nadder
- **River Wylwe
- **River Ebble
- Lymington River
- Beaulieu River
- River Test
- *River Blackwater
- *River Dun
- *River Anton
- *River Dever
- *Bourne Rivulet
- River Itchen
- *River Alre
- *Candover Brook
- River Hamble
- River Meon
- River Wallington
- River Lavant
- River Ems
- Aldingbourne Rife
- *Barnham Rife
- River Arun
- *River Rother
- River Adur
- River Ouse, Sussex
- River Cuckmere
- River Rother
- *River Brede
- River Stour, Kent
- *Little Stour
- *Great Stour
- **East Stour
- **West Stour
In England, flowing into the
From Foreness point to Shoeburyness
- River Medway (shares the Thames estuary)
- *River Beult
- *River Teise
- *River Eden, Kent
- River Thames (From Oxford up to its source, the Thames is also known as the River Isis)
- *River Darent
- **River Cray
- ***River Shuttle
- *River Ravensbourne (tidal reach known as Deptford Creek)
- **River Pool
- ***River Beck
- **River Quaggy (known in places as Kyd Brook)
- *River Ingrebourne (tidal reach known as Rainham Creek)
- *River Roding (tidal reach known as Barking Creek)
- *Lee or Lea
- **River Moselle (mostly subterranean, original tributary of Lee, now empties into Pymme's Brook)
- **The Hackney Brook (subterranean, and probably now diverted to the Thames)
- **New River (artificial distributary, partly subterranean)
- **River Beane
- ***River Rib
- **River Mimram
- *River Neckinger (See also Subterranean rivers of London for this and the others marked 'subterranean' below)
- *Walbrook (subterranean)
- *Langbourne (subterranean, alleged to exist - little evidence)
- *River Fleet (subterranean, also known as the Holbourne)
- *River Westbourne (subterranean)
- **Tyburn Brook (subterranean)
- *River Tyburn (subterranean)
- *River Effra (subterranean)
- *River Wandle
- **River Graveney
- *Stamford Brook (subterranean - tidal reach known as Hammersmith Creek)
- *Bollo or Bollar Brook (subterranean)
- *Counter's Creek (subterranean)
- *Beverley Brook
- **Pyl Brook
- *River Brent
- **Dollis Brook
- *Duke of Northumberland's River
- *River Crane
- *Hogsmill River
- *The Rythe
- *River Ember
- **River Mole
- *Longford River
- *River Colne
- **Colne Brooke
- **Wyrardisbury River
- **River Misbourne
- **Fray's River
- **River Pinn
- **River Ver
- *River Wey
- **Tilling Bourne
- **River Ock, Surrey
- *River Wye
- *River Loddon
- **River Broadwater
- **Emm Brook
- **River Blackwater
- ***River Whitewater
- ****River Hart
- *River Kennet
- **Foudry Brook
- **River Enborne
- **River Lambourn
- **River Dun
- **River Og
- *River Pang
- **River Bourne
- *River Thame
- *River Ock
- *River Cherwell
- **River Swere
- *River Evenlode
- **River Glyme
- ***River Dorn
- *River Windrush
- *River Cole
- *River Coln
- *River Ray
- *River Churn
In England, flowing into the North Sea - North of the
From Shoeburyness to St Abb's Head
- River Crouch
- *River Roach
- River Blackwater
- *River Chelmer
- **River Ter
- *River Brain
- River Colne
- River Stour, Suffolk
- River Orwell
- *River Gipping
- River Deben
- River Alde/River Ore
- Minsmere River
- River Blyth
- River Yox
- River Yare
- *River Bure
- **River Thurne
- **River Ant
- *River Waveney
- *River Chet
- *River Wensum
- *River Tas
- River Burn
- River Great Ouse
- *River Nar
- *River Wissey
- *River Little Ouse
- *River Lark
- *River Cam
- *River Ivel
- **River Hiz
- *River Lovat
- *River Tove
- River Nene
- *River Ise
- River Welland
- *Whaplode River
- *New River
- *Car Dyke (Peterborough)
- *Eye Brook
- *River Bourne
- *River Chater
- *River Gwash
- *Vernatt's Drain
- **South Drove Drain
- *River Glen
- **Bourne Eau
- *Risegate Eau
- Boston Haven
- *South Forty Foot Drain
- **Hammond Beck
- **North Forty Foot Drain
- **Clay Dike
- **Skerth Drain
- *River Witham
- **River Slea
- **Billinghay Skirth
- **River Brant
- **Fossdyke Navigation
- **River Bain
- ***River Waring
- **Newham Drain
- ***Castle Dike
- *Maud Foster Drain
- **West Fen Drain
- ***Medlam Drain
- **Stone Bridge Drain
- ***West Fen Catchwater Drain
- ***East Fen Catchwater Drain
- *Hobhole Drain
- **Cowbridge Drain
- **Bell Water Drain
- **Fodder Dike
- Steeping River
- *River Lymn
- *Cow Bank Drain
- Saltfleet Haven
- *Great Eau
- **Long Eau
- **Mar Dike
- *South Dike
- Grainthorpe Haven
- *River Lud
- Tetney Haven
- River Humber
- *River Freshney
- *East Halton Beck
- *The Beck
- *River Ancholme
- **West Drain
- *Halton Drain
- *River Trent
- **River Torne
- **River Eau
- **River Idle
- ***River Maun
- ***River Meden
- ***River Ryton
- **River Devon
- **River Leen
- **River Erewash
- **River Soar
- ***River Wreake
- **River Derwent, Derbyshire
- ***River Amber
- ***River Wye, Derbyshire
- ****River Lathkill
- *****River Bradford
- ***River Noe
- ***River Ashop
- ****River Alport
- ***River Westend
- **River Dove, Derbyshire
- ***River Manifold
- ****River Hamps
- **River Greet
- **River Tame
- ***River Blythe
- ****River Cole
- ***River Rea
- ***River Anker
- **Paupers' Drain
- **River Sow
- ***River Penk
- *River Ouse, Yorkshire
- **Swinefleet Warping Drain
- **River Don
- ***River Rother
- ****River Doe Lea
- ****River Hipper
- ****River Drone
- ***River Sheaf
- ****Porter Brook
- ****Meers Brook
- ***River Rivelin
- ***River Loxley
- ***River Little Don
- ***River Dearne
- ****River Dove, Yorkshire
- ***River Went
- **River Aire
- ***River Calder
- ****River Holme
- ***River Hebble
- **River Derwent, Yorkshire
- ***River Rye
- **River Wharfe
- ***River Dibb
- ***River Skirfare
- ***River Washburn
- **River Foss
- **River Nidd
- **River Ure
- ***River Swale
- ***River Cover
- *River Hull
- *Sands Drain
- *Winestead Drain
- River Esk, Yorkshire
- River Tees
- *River Leven, County Durham
- *River Skerne
- *River Greta
- River Wear
- River Tyne, England
- *River South Tyne
- **River East Allen
- **River West Allen
- **Haltwhistle Burn
- *River North Tyne
- **Warks Burn
- **Chirdon Burn
- **Lewis Burn
- *River Derwent, North East England
- *River Team
- River Blyth
- River Wansbeck
- *River Font
- River Coquet
- River Aln
- River Tweed
- *Whiteadder Water, Scotland
- **Blackadder Water, Scotland
- *River Till
- **River Glen
- *Eden Water, Scotland
- *River Teviot, Scotland
- *Leader Water, Scotland
- *Gala Water, Scotland
- *Ettrick Water, Scotland
- *Leithen Water, Scotland
- *Quair Water, Scotland
- *Eddleston Water, Scotland
- *Manor Water, Scotland
- *Holms Water, Scotland
Scotland
Please see List of rivers in Scotland
- River Medway (shares the Thames estuary)
- *River Beult
- *River Teise
- *River Eden, Kent
- River Thames (From Oxford up to its source, the Thames is also known as the River Isis)
- *River Darent
- **River Cray
- ***River Shuttle
- *River Ravensbourne (tidal reach known as Deptford Creek)
- **River Pool
- ***River Beck
- **River Quaggy (known in places as Kyd Brook)
- *River Ingrebourne (tidal reach known as Rainham Creek)
- *River Roding (tidal reach known as Barking Creek)
- *Lee or Lea
- **River Moselle (mostly subterranean, original tributary of Lee, now empties into Pymme's Brook)
- **The Hackney Brook (subterranean, and probably now diverted to the Thames)
- **New River (artificial distributary, partly subterranean)
- **River Beane
- ***River Rib
- **River Mimram
- *River Neckinger (See also Subterranean rivers of London for this and the others marked 'subterranean' below)
- *Walbrook (subterranean)
- *Langbourne (subterranean, alleged to exist - little evidence)
- *River Fleet (subterranean, also known as the Holbourne)
- *River Westbourne (subterranean)
- **Tyburn Brook (subterranean)
- *River Tyburn (subterranean)
- *River Effra (subterranean)
- *River Wandle
- **River Graveney
- *Stamford Brook (subterranean - tidal reach known as Hammersmith Creek)
- *Bollo or Bollar Brook (subterranean)
- *Counter's Creek (subterranean)
- *Beverley Brook
- **Pyl Brook
- *River Brent
- **Dollis Brook
- *Duke of Northumberland's River
- *River Crane
- *Hogsmill River
- *The Rythe
- *River Ember
- **River Mole
- *Longford River
- *River Colne
- **Colne Brooke
- **Wyrardisbury River
- **River Misbourne
- **Fray's River
- **River Pinn
- **River Ver
- *River Wey
- **Tilling Bourne
- **River Ock, Surrey
- *River Wye
- *River Loddon
- **River Broadwater
- **Emm Brook
- **River Blackwater
- ***River Whitewater
- ****River Hart
- *River Kennet
- **Foudry Brook
- **River Enborne
- **River Lambourn
- **River Dun
- **River Og
- *River Pang
- **River Bourne
- *River Thame
- *River Ock
- *River Cherwell
- **River Swere
- *River Evenlode
- **River Glyme
- ***River Dorn
- *River Windrush
- *River Cole
- *River Coln
- *River Ray
- *River Churn
In England, flowing into the North Sea - North of the
From Shoeburyness to St Abb's Head
- River Crouch
- *River Roach
- River Blackwater
- *River Chelmer
- **River Ter
- *River Brain
- River Colne
- River Stour, Suffolk
- River Orwell
- *River Gipping
- River Deben
- River Alde/River Ore
- Minsmere River
- River Blyth
- River Yox
- River Yare
- *River Bure
- **River Thurne
- **River Ant
- *River Waveney
- *River Chet
- *River Wensum
- *River Tas
- River Burn
- River Great Ouse
- *River Nar
- *River Wissey
- *River Little Ouse
- *River Lark
- *River Cam
- *River Ivel
- **River Hiz
- *River Lovat
- *River Tove
- River Nene
- *River Ise
- River Welland
- *Whaplode River
- *New River
- *Car Dyke (Peterborough)
- *Eye Brook
- *River Bourne
- *River Chater
- *River Gwash
- *Vernatt's Drain
- **South Drove Drain
- *River Glen
- **Bourne Eau
- *Risegate Eau
- Boston Haven
- *South Forty Foot Drain
- **Hammond Beck
- **North Forty Foot Drain
- **Clay Dike
- **Skerth Drain
- *River Witham
- **River Slea
- **Billinghay Skirth
- **River Brant
- **Fossdyke Navigation
- **River Bain
- ***River Waring
- **Newham Drain
- ***Castle Dike
- *Maud Foster Drain
- **West Fen Drain
- ***Medlam Drain
- **Stone Bridge Drain
- ***West Fen Catchwater Drain
- ***East Fen Catchwater Drain
- *Hobhole Drain
- **Cowbridge Drain
- **Bell Water Drain
- **Fodder Dike
- Steeping River
- *River Lymn
- *Cow Bank Drain
- Saltfleet Haven
- *Great Eau
- **Long Eau
- **Mar Dike
- *South Dike
- Grainthorpe Haven
- *River Lud
- Tetney Haven
- River Humber
- *River Freshney
- *East Halton Beck
- *The Beck
- *River Ancholme
- **West Drain
- *Halton Drain
- *River Trent
- **River Torne
- **River Eau
- **River Idle
- ***River Maun
- ***River Meden
- ***River Ryton
- **River Devon
- **River Leen
- **River Erewash
- **River Soar
- ***River Wreake
- **River Derwent, Derbyshire
- ***River Amber
- ***River Wye, Derbyshire
- ****River Lathkill
- *****River Bradford
- ***River Noe
- ***River Ashop
- ****River Alport
- ***River Westend
- **River Dove, Derbyshire
- ***River Manifold
- ****River Hamps
- **River Greet
- **River Tame
- ***River Blythe
- ****River Cole
- ***River Rea
- ***River Anker
- **Paupers' Drain
- **River Sow
- ***River Penk
- *River Ouse, Yorkshire
- **Swinefleet Warping Drain
- **River Don
- ***River Rother
- ****River Doe Lea
- ****River Hipper
- ****River Drone
- ***River Sheaf
- ****Porter Brook
- ****Meers Brook
- ***River Rivelin
- ***River Loxley
- ***River Little Don
- ***River Dearne
- ****River Dove, Yorkshire
- ***River Went
- **River Aire
- ***River Calder
- ****River Holme
- ***River Hebble
- **River Derwent, Yorkshire
- ***River Rye
- **River Wharfe
- ***River Dibb
- ***River Skirfare
- ***River Washburn
- **River Foss
- **River Nidd
- **River Ure
- ***River Swale
- ***River Cover
- *River Hull
- *Sands Drain
- *Winestead Drain
- River Esk, Yorkshire
- River Tees
- *River Leven, County Durham
- *River Skerne
- *River Greta
- River Wear
- River Tyne, England
- *River South Tyne
- **River East Allen
- **River West Allen
- **Haltwhistle Burn
- *River North Tyne
- **Warks Burn
- **Chirdon Burn
- **Lewis Burn
- *River Derwent, North East England
- *River Team
- River Blyth
- River Wansbeck
- *River Font
- River Coquet
- River Aln
- River Tweed
- *Whiteadder Water, Scotland
- **Blackadder Water, Scotland
- *River Till
- **River Glen
- *Eden Water, Scotland
- *River Teviot, Scotland
- *Leader Water, Scotland
- *Gala Water, Scotland
- *Ettrick Water, Scotland
- *Leithen Water, Scotland
- *Quair Water, Scotland
- *Eddleston Water, Scotland
- *Manor Water, Scotland
- *Holms Water, Scotland
Scotland
Please see List of rivers in Scotland
In England, flowing into the
From Gretna to Hoylake
- River Solway (forming border)
- River Esk, Dumfriesshire (Scotland)
- *River Lyne
- River Eden, Cumbria
- *River Caldew
- *River Petteril
- *River Irthing
- **River Gelt
- *River Eamont
- **River Lowther
- ***Haweswater Beck
- *River Lyvennet
- *River Belah
- River Derwent, Cumbria
- *River Marron
- *River Cocker
- *River Greta
- **River Glenderamackin
- **St Johns Beck
- Pow Beck
- River Ehen
- *River Keekle
- *River Liza
- River Calder (Cumbria)
- River Esk, Cumbria
- *River Irt
- *River Mite
- River Duddon
- River Leven (Cumbria)
- *Rusland Pool
- *River Crake
- River Kent
- *River Bela
- **Peasey Beck
- ***Killington Beck
- *River Mint
- *River Sprint
- *River Gowan
- River Lune
- *River Conder
- *River Wenning
- **River Hindburn
- *Leck Beck
- *River Greta
- **River Doe
- **River Twiss
- *River Rawthey
- **River Dee
- **Clough River
- River Wyre
- *River Calder, Lancashire
- River Ribble
- *River Douglas
- **Douglas Navigation
- **River Yarrow (Lancashire)
- *Savick Brook
- *River Darwen
- *River Calder, Burnley
- *River Hodder
- *River Dunsop
- River Mersey
- *River Gowy
- *River Weaver
- **River Dane
- *River Bollin
- **River Dean
- *River Irwell
- **River Medlock
- **River Irk
- **River Croal
- **River Roch
- *River Tame
- *River Goyt
- **River Etherow
- **Todd Brook
Isle of
- Afon Braint (River Braint)
- Afon Alaw (River Alaw)
- Afon Bran (River Bran)
- Afon Cefni (River Cefni)
- Cadnant (River Cadnant)
In Wales, flowing into the
From Hoylake to St. Govan's Head
- River Dee, Wales (Afon Dyfrdwy)
- *Alford Brook
- *River Alyn (Afon Alun)
- *River Clywedog (Afon Clywedog)
- *River Ceirog (Afon Ceirog)
- *River Alwen (Afon Alwen)
- *Afon Trystion
- *Afon Ceidiog
- *River Tryweryn (Afon Tryweryn)
- **Nant Aberderfel
- **Afon Gelyn
- River Clwyd (Afon Clwyd)
- *River Elwy (Afon Elwy)
- **River Aled
- *River Wheeler
- River Conwy (Afon Conwy)
- *River Lledr (Afon Lledr)
- *River Machno (Afon Machno)
- *River Llugwy (Afon Llugwy)
- *River Gyffin (Afon Gyffin)
- River Ogwen (Afon Ogwen)
- Afon Seiont (River Seiont)
- *Afon Gwyrfai
- Afon Llyfni , Lleyn
- Afon Desach
- Afon Soch
- Afon Erch
- Afon Dwyfor
- *Afon Dwyfach
- Afon Dwyryd (River Dwyryd)
- *Afon Goedel
- *Afon Bowydd
- *Afon Cynfal
- *Afon Tafarn-Helyg
- *Afon Prysor
- *Afon y Glyn
- Afon Glaslyn (River Glaslyn)
- *Afon Croesor
- *Afon Colwyn (River Colwyn)
- Afon Mawddach (River Mawddach)
- *Afon Wnion (River Wnion)
- Afon Dysynni (River Dysynni)
- Afon Dyfi (River Dovey)
- *Afon Twymyn
- Afon Leri
- Afon Clarach
- *Bow Street Brook
- *Afon Stewi
- *Nant Silo
- River Rheidol (Afon Rheidol)
- *Afon Melindwr
- *Afon Lluestgota- (into Nant y Moch)
- *Afon Lluest mawr- (into Nant y Moch)
- *Afon Hyddgen - (into Nant y Moch)
- *Afon Hengwm- (into Nant y Moch)
- *Nant y Moch
- *Afon Castell
- *River Mynach
- **Afon Rhuddnant
- River Ystwyth (Afon Ystwyth)
- Afon Wyre
- Afon Aeron
- River Teifi (Afon Teifi)
- *River Dulas - Llanbedr Pont Steffan/Lampeter
- *Afon Dulais
- *Afon Granell
- *Afon Clettwr
- *Afon Tyweli
- *Afon Ceri
- *Afon Cych
- River Gwaun
- River Alun
- Afon Solfach
- River Daugleddau
- *Western Cleddau
- *Eastern Cleddau
- *Pembroke River
- Afon Nyfer
In Wales, flowing into the
From St. Govan's Head to M48 Bridge
- Afon Tâf
- *Afon Cywyn
- *Afon Dewi Fawr
- River Tywi (Afon Tywi)
- *Afon Gwili
- *River Cothi
- **Afon Gorlech
- **Afon Twrch
- **Afon Marlais
- *Afon Gwenlais
- **Nant Gwenffrwd
- **Nant Doethie
- **Nant Brianne
- *River Crychan
- River Gwendraeth
- *Gwendraeth Fach
- *Gwendraeth Fawr
- River Loughor (Afon Llwchwr)
- *Afon Morlais
- *Afon Lliw
- *Afon Llan
- River Tawe
- *Lower Clydach River
- *Upper Clydach River
- *Afon Twrch
- **Nant Llynfell
- **Nant y Llyn
- **Gyws Fach
- **Gwys Fawr
- **Nant Gwys
- *River Giedd
- **Nant Cyw
- **Nant Ceiliog
- River Haffes
- *Nant Byfree
- Nant Llech
- *Nant Llech perlaf
- Nant y fendrod
- *Nant Bran
- River Neath
- *River Dulais
- *Afon Nedd Fechan
- **Afon Pyrddin
- *River Mellte
- **River Hepste
- *Melin Cwrt Brook
- *Clydach Brook
- River Afan
- *Ffrwd Wyllt
- *Cwm Wenderi stream
- *Afon Pelena
- *Nant Cregan
- *Afon Corrwg
- *Afon Corrwg Fechan
- River Kenfig (Afon Cynffig)
- River Ogmore (Afon Ogwr)
- *River Llynfi
- **Nant Gadlys
- **Nant Cwm-du
- *Afon Garw
- *Afon Ogwr Fawr
- *Afon Ogwr Fach
- *River Ewenny
- **Nant Canna
- **Nant Crymlyn
- **Afon Ewenny Fach
- **Afon Ewenny Fawr
- Afon Colhuw
- River Thaw
- *Hoddnant
- *Nant Stepsau
- *River Waycock
- River Taff (Afon Tâf)
- *River Ely (Afon Elai)
- **Afon Clun
- *River Rhondda
- **Rhondda Fawr
- **Rhondda Fach
- *Nant Clydach
- *River Cynon
- *Taff Bargoed
- *Nant Morlais
- *Taff Fechan
- *Nant Ffrwd
- River Rhymney (Afon Rhymni)
- River Usk (Afon Wysg)
- *River Ebbw (Afon Ebwy)
- **River Sirhowy
- *River Llwyd
- River Wye (Afon Gwy)
- *River Trothy
- *River Monnow
- **River Honddu
- *River Lugg
- **River Arrow
- **River Frome
- *River Llynfi
- *River Irfon
- *River Ithon
In England, flowing into the
From M48 Bridge to Lizard point
- River Severn (Afon Hafren)
- *River Avon, Bristol
- **River Frome, Bristol
- **River Frome, Somerset
- **Midford Brook
- ***River Cam, Somerset
- ***Wellow Brook, Somerset
- **River Chew
- *Little Avon River
- *River Frome, Stroud
- *River Cam, Gloucestershire
- *River Avon, Warwickshire
- **River Arrow
- ***River Alne
- **River Stour, Warwickshire
- **River Leam
- ***River Itchen, Warwickshire
- **River Sowe
- **River Swilgate
- *River Chelt
- *River Teme
- **Leigh Brook
- *Grimley Brook
- *Dick Brook
- *River Clun, Shropshire
- *River Salwarpe
- *River Stour, Worcestershire
- *River Worfe
- *Cound Brook
- *River Perry, Shropshire
- *River Tern
- **River Roden
- *River Vyrnwy
- *River Rhew
- *The Mule
- *Afon Carno
- *Afon Trannon
- *Afon Clywedog
- **River Morda
- **Afon Cynllaith
- *Afon Dulas
- River Parrett
- *River Tone
- *River Yeo
- River Axe, Somerset
- River Taw
- River Torridge
- River Camel
- River Jordan
- River Valency
- River Medina
- Eastern Yar
- Western Yar
The
Longest rivers in the United Kingdom
- Afon Braint (River Braint)
- Afon Alaw (River Alaw)
- Afon Bran (River Bran)
- Afon Cefni (River Cefni)
- Cadnant (River Cadnant)
In Wales, flowing into the
From Hoylake to St. Govan's Head
- River Dee, Wales (Afon Dyfrdwy)
- *Alford Brook
- *River Alyn (Afon Alun)
- *River Clywedog (Afon Clywedog)
- *River Ceirog (Afon Ceirog)
- *River Alwen (Afon Alwen)
- *Afon Trystion
- *Afon Ceidiog
- *River Tryweryn (Afon Tryweryn)
- **Nant Aberderfel
- **Afon Gelyn
- River Clwyd (Afon Clwyd)
- *River Elwy (Afon Elwy)
- **River Aled
- *River Wheeler
- River Conwy (Afon Conwy)
- *River Lledr (Afon Lledr)
- *River Machno (Afon Machno)
- *River Llugwy (Afon Llugwy)
- *River Gyffin (Afon Gyffin)
- River Ogwen (Afon Ogwen)
- Afon Seiont (River Seiont)
- *Afon Gwyrfai
- Afon Llyfni , Lleyn
- Afon Desach
- Afon Soch
- Afon Erch
- Afon Dwyfor
- *Afon Dwyfach
- Afon Dwyryd (River Dwyryd)
- *Afon Goedel
- *Afon Bowydd
- *Afon Cynfal
- *Afon Tafarn-Helyg
- *Afon Prysor
- *Afon y Glyn
- Afon Glaslyn (River Glaslyn)
- *Afon Croesor
- *Afon Colwyn (River Colwyn)
- Afon Mawddach (River Mawddach)
- *Afon Wnion (River Wnion)
- Afon Dysynni (River Dysynni)
- Afon Dyfi (River Dovey)
- *Afon Twymyn
- Afon Leri
- Afon Clarach
- *Bow Street Brook
- *Afon Stewi
- *Nant Silo
- River Rheidol (Afon Rheidol)
- *Afon Melindwr
- *Afon Lluestgota- (into Nant y Moch)
- *Afon Lluest mawr- (into Nant y Moch)
- *Afon Hyddgen - (into Nant y Moch)
- *Afon Hengwm- (into Nant y Moch)
- *Nant y Moch
- *Afon Castell
- *River Mynach
- **Afon Rhuddnant
- River Ystwyth (Afon Ystwyth)
- Afon Wyre
- Afon Aeron
- River Teifi (Afon Teifi)
- *River Dulas - Llanbedr Pont Steffan/Lampeter
- *Afon Dulais
- *Afon Granell
- *Afon Clettwr
- *Afon Tyweli
- *Afon Ceri
- *Afon Cych
- River Gwaun
- River Alun
- Afon Solfach
- River Daugleddau
- *Western Cleddau
- *Eastern Cleddau
- *Pembroke River
- Afon Nyfer
In Wales, flowing into the
From St. Govan's Head to M48 Bridge
- Afon Tâf
- *Afon Cywyn
- *Afon Dewi Fawr
- River Tywi (Afon Tywi)
- *Afon Gwili
- *River Cothi
- **Afon Gorlech
- **Afon Twrch
- **Afon Marlais
- *Afon Gwenlais
- **Nant Gwenffrwd
- **Nant Doethie
- **Nant Brianne
- *River Crychan
- River Gwendraeth
- *Gwendraeth Fach
- *Gwendraeth Fawr
- River Loughor (Afon Llwchwr)
- *Afon Morlais
- *Afon Lliw
- *Afon Llan
- River Tawe
- *Lower Clydach River
- *Upper Clydach River
- *Afon Twrch
- **Nant Llynfell
- **Nant y Llyn
- **Gyws Fach
- **Gwys Fawr
- **Nant Gwys
- *River Giedd
- **Nant Cyw
- **Nant Ceiliog
- River Haffes
- *Nant Byfree
- Nant Llech
- *Nant Llech perlaf
- Nant y fendrod
- *Nant Bran
- River Neath
- *River Dulais
- *Afon Nedd Fechan
- **Afon Pyrddin
- *River Mellte
- **River Hepste
- *Melin Cwrt Brook
- *Clydach Brook
- River Afan
- *Ffrwd Wyllt
- *Cwm Wenderi stream
- *Afon Pelena
- *Nant Cregan
- *Afon Corrwg
- *Afon Corrwg Fechan
- River Kenfig (Afon Cynffig)
- River Ogmore (Afon Ogwr)
- *River Llynfi
- **Nant Gadlys
- **Nant Cwm-du
- *Afon Garw
- *Afon Ogwr Fawr
- *Afon Ogwr Fach
- *River Ewenny
- **Nant Canna
- **Nant Crymlyn
- **Afon Ewenny Fach
- **Afon Ewenny Fawr
- Afon Colhuw
- River Thaw
- *Hoddnant
- *Nant Stepsau
- *River Waycock
- River Taff (Afon Tâf)
- *River Ely (Afon Elai)
- **Afon Clun
- *River Rhondda
- **Rhondda Fawr
- **Rhondda Fach
- *Nant Clydach
- *River Cynon
- *Taff Bargoed
- *Nant Morlais
- *Taff Fechan
- *Nant Ffrwd
- River Rhymney (Afon Rhymni)
- River Usk (Afon Wysg)
- *River Ebbw (Afon Ebwy)
- **River Sirhowy
- *River Llwyd
- River Wye (Afon Gwy)
- *River Trothy
- *River Monnow
- **River Honddu
- *River Lugg
- **River Arrow
- **River Frome
- *River Llynfi
- *River Irfon
- *River Ithon
In England, flowing into the
From M48 Bridge to Lizard point
- River Severn (Afon Hafren)
- *River Avon, Bristol
- **River Frome, Bristol
- **River Frome, Somerset
- **Midford Brook
- ***River Cam, Somerset
- ***Wellow Brook, Somerset
- **River Chew
- *Little Avon River
- *River Frome, Stroud
- *River Cam, Gloucestershire
- *River Avon, Warwickshire
- **River Arrow
- ***River Alne
- **River Stour, Warwickshire
- **River Leam
- ***River Itchen, Warwickshire
- **River Sowe
- **River Swilgate
- *River Chelt
- *River Teme
- **Leigh Brook
- *Grimley Brook
- *Dick Brook
- *River Clun, Shropshire
- *River Salwarpe
- *River Stour, Worcestershire
- *River Worfe
- *Cound Brook
- *River Perry, Shropshire
- *River Tern
- **River Roden
- *River Vyrnwy
- *River Rhew
- *The Mule
- *Afon Carno
- *Afon Trannon
- *Afon Clywedog
- **River Morda
- **Afon Cynllaith
- *Afon Dulas
- River Parrett
- *River Tone
- *River Yeo
- River Axe, Somerset
- River Taw
- River Torridge
- River Camel
- River Jordan
- River Valency
- River Medina
- Eastern Yar
- Western Yar
The
Longest rivers in the United Kingdom
- Afon Tâf
- *Afon Cywyn
- *Afon Dewi Fawr
- River Tywi (Afon Tywi)
- *Afon Gwili
- *River Cothi
- **Afon Gorlech
- **Afon Twrch
- **Afon Marlais
- *Afon Gwenlais
- **Nant Gwenffrwd
- **Nant Doethie
- **Nant Brianne
- *River Crychan
- River Gwendraeth
- *Gwendraeth Fach
- *Gwendraeth Fawr
- River Loughor (Afon Llwchwr)
- *Afon Morlais
- *Afon Lliw
- *Afon Llan
- River Tawe
- *Lower Clydach River
- *Upper Clydach River
- *Afon Twrch
- **Nant Llynfell
- **Nant y Llyn
- **Gyws Fach
- **Gwys Fawr
- **Nant Gwys
- *River Giedd
- **Nant Cyw
- **Nant Ceiliog
- River Haffes
- *Nant Byfree
- Nant Llech
- *Nant Llech perlaf
- Nant y fendrod
- *Nant Bran
- River Neath
- *River Dulais
- *Afon Nedd Fechan
- **Afon Pyrddin
- *River Mellte
- **River Hepste
- *Melin Cwrt Brook
- *Clydach Brook
- River Afan
- *Ffrwd Wyllt
- *Cwm Wenderi stream
- *Afon Pelena
- *Nant Cregan
- *Afon Corrwg
- *Afon Corrwg Fechan
- River Kenfig (Afon Cynffig)
- River Ogmore (Afon Ogwr)
- *River Llynfi
- **Nant Gadlys
- **Nant Cwm-du
- *Afon Garw
- *Afon Ogwr Fawr
- *Afon Ogwr Fach
- *River Ewenny
- **Nant Canna
- **Nant Crymlyn
- **Afon Ewenny Fach
- **Afon Ewenny Fawr
- Afon Colhuw
- River Thaw
- *Hoddnant
- *Nant Stepsau
- *River Waycock
- River Taff (Afon Tâf)
- *River Ely (Afon Elai)
- **Afon Clun
- *River Rhondda
- **Rhondda Fawr
- **Rhondda Fach
- *Nant Clydach
- *River Cynon
- *Taff Bargoed
- *Nant Morlais
- *Taff Fechan
- *Nant Ffrwd
- River Rhymney (Afon Rhymni)
- River Usk (Afon Wysg)
- *River Ebbw (Afon Ebwy)
- **River Sirhowy
- *River Llwyd
- River Wye (Afon Gwy)
- *River Trothy
- *River Monnow
- **River Honddu
- *River Lugg
- **River Arrow
- **River Frome
- *River Llynfi
- *River Irfon
- *River Ithon
In England, flowing into the
From M48 Bridge to Lizard point
- River Severn (Afon Hafren)
- *River Avon, Bristol
- **River Frome, Bristol
- **River Frome, Somerset
- **Midford Brook
- ***River Cam, Somerset
- ***Wellow Brook, Somerset
- **River Chew
- *Little Avon River
- *River Frome, Stroud
- *River Cam, Gloucestershire
- *River Avon, Warwickshire
- **River Arrow
- ***River Alne
- **River Stour, Warwickshire
- **River Leam
- ***River Itchen, Warwickshire
- **River Sowe
- **River Swilgate
- *River Chelt
- *River Teme
- **Leigh Brook
- *Grimley Brook
- *Dick Brook
- *River Clun, Shropshire
- *River Salwarpe
- *River Stour, Worcestershire
- *River Worfe
- *Cound Brook
- *River Perry, Shropshire
- *River Tern
- **River Roden
- *River Vyrnwy
- *River Rhew
- *The Mule
- *Afon Carno
- *Afon Trannon
- *Afon Clywedog
- **River Morda
- **Afon Cynllaith
- *Afon Dulas
- River Parrett
- *River Tone
- *River Yeo
- River Axe, Somerset
- River Taw
- River Torridge
- River Camel
- River Jordan
- River Valency
- River Medina
- Eastern Yar
- Western Yar
The
Longest rivers in the United Kingdom
- River Medina
- Eastern Yar
- Western Yar
The
Longest rivers in the United Kingdom
| River | Length (miles) | (km) | |
| 1 | River Severn | 220 | 354 |
| 2 | River Thames | 215 | 346 |
| 3 | River Trent | 185 | 297 |
| 4 | River Aire | 161 | 259 |
| 5 | River Great Ouse | 143 | 230 |
| 6 | River Wye | 135 | 215 |
| 7 | River Tay | 117 | 188 |
| 8 | River Spey | 107 | 172 |
| 9 | River Nene | 100 | 161 |
| 10 | River Clyde | 98 | 158 |
| 11 | River Tweed | 96 | 155 |
| 12 | River Eden, Cumbria | 90 | 145 |
| 13 | River Dee, Aberdeenshire | 85 | 137 |
| 14 | River Avon, Warwickshire | 84 | 136 |
| 15 | River Don, Aberdeenshire | 80 | 129 |
| 16 | River Bann | 76 | 122 |
| 17 | River Ribble | 75 | 120 |
| 18 | River Tyne | 73 | 118 |
| 19 | River Tees | 70 | 113 |
| 20 | River Dee, Wales | 70 | 112
|
See also
- Terminology
- *Estuary
- *Firth
- *Floodplain
- *River
- *River delta
- *Source (river or stream)
- *Tributary
- UK topics
- *British Waterways (agency)
- *Canals of the United Kingdom
- *Geography of the United Kingdom
- *Lakes of the United Kingdom
- *Reservoirs and dams in the United Kingdom
- *Waterfalls of the United Kingdom
- *Waterways in the United Kingdom
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