 This section includes all rivers entering the Irish Sea from England between the Scottish border and the Welsh border.All rivers discharging into the Solway Firth, Irish Sea and Morecambe Bay from the Scottish border south to Silverdale on the Cumbria/Lancashire border.Border Esk catchment

"The lowest reaches of the Esk are in England but most of the river is in Scotland whilst a short section is followed by the England/Scotland border.