Solway Firth Solway Firth The Solway Firth () is a firth that forms part of the border between England and Scotland, between Cumbria (including the Solway Plain) and Dumfries and Galloway. It stretches from St Bees Head, just south of Whitehaven in Cumbria, to the Mull of Galloway, on the western end of Dumfries and Galloway. The Isle of Man is also very near to the firth. The firth comprises part of the Irish Sea. The coastline is characterised by lowland hills and small mountains. It is a mainly rural area with fishing and hill farming (as well as some arable farming)
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,