What are the rivers called in UK?

* River Avon

* River Cam

* River Exe

* River Great Ouse

* River Humber

* River Mersey

* River Severn

* River Thames

* River Trent

* River Tyne

Northern Ireland

* River Bann

* River Foyle

* River Lagan

* River Mourne

Scotland

* River Clyde

* River Dee

* River Don

* River Forth

* River Tay

* River Tweed

Wales

* River Conwy

* River Dee

* River Ebbw

* River Ogmore

* River Severn

* River Taff

* River Teifi

* River Tywi

* River Usk

* River Wye