Affluentes: River Don[*], North Sea Canal[*], River Tyne[*], Yser[*], River Yare[*], Elba, Aa River[*], Arlau[*], Husumer Mühlenau[*], River Deben[*], River Tyne[*], Harle[*], River Tweed[*], Boudewijnkanaal[*], River Tees[*], Humber[*], River Esk[*], Kongeå[*], Bervie Water[*], Cowie Water[*], River Dee[*], Oosterschelde[*], River Eden[*], Oude Rijn[*], Numedalslågen[*], River Wear[*], Rhine basin[*], Winschoterdiep[*], River Aln[*], Western Scheldt[*], Godel[*], Canal Dunkerque-Escaut[*], Haringvliet[*], Hooksieler Tief[*], Q1649829[*], River Alde[*], Figgjoelva[*], Leysiel[*], River Stour[*], Nieuwe Waterweg[*], River North Esk, Angus[*], River Orwell[*], Leopold Canal[*], Skjern River[*], Vidå[*], River South Esk[*], Brielse Maas[*], River Ugie[*], Wangertief[*], River Ythan[*], River Blackwater[*], River Shin[*], Bytham River[*], Barry Burn[*], Chelmer and Blackwater Navigation[*], Elliot Water[*], Varde River[*], Minsmere River[*], River Blyth[*], River Burn[*], River Coquet[*], River Crouch[*], River Glaven[*], River Hun[*], River Lymn[*], River Mun[*], River Ore[*], River Oykel[*], River Stiffkey[*], Canal of Blankenberge[*], Hååna[*], River Colne[*], Great Eau[*], River Blyth[*], Asheldham Brook[*], Gypsey Race[*], River Wansbeck[*], River Lyne[*], Benser Tief[*], Neuharlingersiel Tief[*], Rheno, Weser[*], Eider[*], River Thames[*], River Great Ouse[*], River Nene[*], River Spey[*], Scheldt[*], Fluvio Mosa
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