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
Dumfries and Galloway link the main towns with Glasgow, Ayr, Edinburgh and Carlisle. Local bus services are also operated across the region. Dumfries and Galloway is home to two ports which have services to Northern Ireland, both are in the West of the region. Stena Line and P&O Irish Sea both have a port in the village of Cairnryan. The region also has no commercial airports; the nearest are Glasgow Prestwick Airport and Carlisle Lake District Airport. The region does host a number of private airfields. The town of Lockerbie was the scene of the Pan Am Flight 103 terrorist attack on 21