longest UK rivers

Longest UK Rivers

25 Longest UK Rivers

There’s also no denying even the longest UK rivers don’t exactly cut the mustard when compared to the truly great rivers in the world. But what they lack in length they make up for in fame – the Thames and the Mersey, for example, punch well above their weight although none of the longest UK rivers make it into the list of the top 20 longest rivers in Europe.

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Longest UK RiversLength (miles)Length (km)CountryRiver SourceRiver MouthPoints of interest the river flows through…#
River Severn220354Wales and EnglandPlynlimonSevern EstuaryBristol, Gloucester, Shrewsbury, Worcester1
River Thames215346EnglandThames HeadNorth SeaDartford, Gravesend, London, Maidenhead, Oxford, Reading, Southend, Windsor2
River Trent185297EnglandBiddulph MoorTrent Falls, HumberBurton-upon-Trent, Gainsborough, Newark-on-Trent,3
River Great Ouse
East Anglia
143230EnglandSyreshamThe WashBedford, Buckingham, Ely, Huntingdon, King’s Lynn, Milton Keynes, Newport Pagnell4
River Wye134215Wales and EnglandPlynlimonSevern EstuaryBuilth, Wells, Chepstow, Hay-on-Wye, Hereford, Rhayader5
River Ure + River Ouse
Yorkshire
129208EnglandHigh AbbotsideRiver TrentWensley, Jervaulx Abbey, Mickley, Ripon, Boroughbridge, at Linton-on-Ouse the River Ure turns into the River Ouse, York, Cawood Bridge, Selby, Goole, Trent Falls, Faxfleet6
River Tay119192ScotlandAllt Coire LaoighFirth of TayAberfeldy, Dunkeld, Kenmore, Perth7
River Spey107172ScotlandLoch SpeyMoray FirthAviemore, Kingussie, Newtonmore8
River Clyde106172ScotlandLowther HillsFirth of ClydeBothwell, Glasgow, Greenock, Lanark9
River Tweed96155Border of ScotlandTweed’s WellNorth SeaBerwick-upon-Tweed, Birgham, Carham10
River Avon
Warwickshire
96154EnglandNasebySevern EstuaryEvesham, Pershore, Rugby, Stratford-upon-Avon, Welford, Wolston, Warwick,11
River Nene92148EnglandArbury HillThe WashBenwick, Cogenhoe, Northampton, Sutton Bridge, Wellingborough, Wisbech12
River Eden
Cumbria
90145EnglandHigh / Hugh SeatSolway FirthCarlisle, Kirkby, Mallerstang, Penrith, Stephen, Wetheral,13
River Dee
Aberdeenshire
87140ScotlandCairngormsNorth SeaAberdeen, Aboyne, Ballater, Banchory, Braemar14
River Tees85137EnglandCross FellNorth SeaCow Green Reservoir, High Force waterfall, Middleton-in-Teesdale, Barnard Castle, Croft-on-Tees, Hurworth-on-Tees, Yarm, Egglescliffe, Stockton-on-Tees, Durham University Queen’s Campus, Tees Barrage white water rafting centre, Port Clarence, Riverside Stadium, the port of Middlesbrough and into the North Sea south of Hartlepool, north of Redcar.15
River Witham82132EnglandSouth WithamThe Wash, East MidlandsBoston, Grantham16
River Teme81130EnglandDolforRiver SevernKnighton, Ludlow, Powys, Tenbury, Wells, Worcester17
River Don
Aberdeenshire
80129ScotlandLadder HillsNorth Sea, Bridge of DonAberdeen, Alford, Dyce, Inverurie, Kintore, Kemnay18
River Bann76122Northern IrelandMourne MountainsAtlantic OceanBannfoot, Castlerock, Toome19
River Ribble75120EnglandCam / Gayle BeckIrish SeaClitheroe, Preston, Ribchester, Settle, Southport, Walton-le-Dale, Wigan20
River Avon
Bristol
75120EnglandActon TurvilleSevern EstuaryBath, Bristol, Bradford on Avon, Chippenham21
River Tyne73118EnglandSouth TyneTynemouthBellingham, Gateshead, Hebburn, Hexham, Jarrow, Newcastle upon Tyne22
River Derwent72115EnglandFylingdales MoorBarmby BarrageLang, Dale, Norton-on-Derwent, West/East, Ayton, Yorkshire Moors23
River Aire71114EnglandMalham TarnRiver OuseAire Head, Castleford, Bingley, Leeds, Shipley, Skipton,24
River Tees70113EnglandCross FellNorth SeaDarlington, Middlesbrough, Middleton-in-Teesdale, Stockton-on-Tees, Teesside, Yarm25

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2 responses to “Longest UK Rivers”

  1. Avatar JC says:

    Hi Eleanor, thanks for pointing out our mistakes. We’ve made changes to take account of your comment. Our original entry was for the River Ure so there was no information about the River Ouse, that’s now sorted. We’ve also omitted cities from the column heading so we can include any notable features each river flows through. We’ll update the other entries in due course.

  2. Avatar Eleanor Ayres says:

    The River Ure + Ouse (Yorkshire) entry is wrong. The River Ouse joins with the River Trent at Trent Falls to become the Humber. The ‘cities’ it flows through are not cities; Mickley and Wensley are tiny hamlets and you’ve omitted York! Hawes, Bainbridge, Boroughbridge, Cawood and Selby which are all more notable places.

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