Kanol_(dour)
Tavoez
Hafren
Dyfrdwy
Linne_Chluaidh
Humber_(Bro-Saoz)
Trent_(stêr)
Avon_Warwickshire
Avon_Bristol
Ouse_(Yorkshire)
Kanol_Galedonian
Stêr_Derwent_(Derbyshire)
Yare
Rother_(East_Sussex)
Kanol_Llangollen
Tyne_(Bro-Saoz)
Tefeidiad
Rhaeadr_Bwlch_yr_Oernant