Esk (Solway Firth)

The River Esk (Scottish Gaelic: Easg), also known as the Border Esk, is a river that rises in the Scottish region of Dumfries and Galloway before crossing the border to the English county of Cumbria and flowing into the Solway Firth.

Source: Wikipedia https://en.wikipedia.org/wiki/River_Esk_(Solway_Firth)