River Esk, Dumfries and Galloway River Esk, Dumfries and Galloway The River Esk (), also called the Border Esk, is a river in Dumfries and Galloway, Scotland, that flows into the Solway Firth. It also flows for a small way through the English county of Cumbria before entering the Solway. The river rises in the hills to the east of Moffat and its two main tributaries, the Black Esk and the White Esk, merge at the southern end of Castle O'er Forest. It flows south east through Eskdale past Langholm before merging with Liddel Water (which defines the border between Scotland and England. Before passing
River Esk, Dumfries and Galloway between Canonbie and Longtown. It forms the boundary between Scotland and England for a while as does its tributary, the Kershope Burn. The River Lyne enters on the left bank at Lynefoot just above the normal tidal limit of the estuarial section of the Esk. The River Sark and the Kirtle Water enter the tidal estuary of the Esk to the east and west of Gretna respectively. See main articles on each of these and some of their tributaries. River Esk, Dumfries and Galloway The River Esk (), also called the Border Esk, is a river in Dumfries and Galloway,