Scotland Northern Ireland Ireland Wales
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River Spey River Tay River Don River Tweed
River Lea River Cherwell River Colne River Kennet
River Medway River Kennet River Colne River Lea
River Dee River Severn River Taff River Tawe
River Tawe River Taff River Towy River Dee
River Tyne River Wear River Coquet River Tees