What are the names of rivers in north west England?

* River Mersey

* River Ribble

* River Lune

* River Eden

Other notable rivers:

* River Alt

* River Bollin

* River Conwy

* River Derwent

* River Douglas

* River Duddon

* River Esk

* River Fylde

* River Irwell

* River Leven

* River Lyvennet

* River Ribble

* River Roch

* River Spodden

* River Tame

* River Teign

* River Thurso

* River Weaver

* River Wenning

* River Wyre