River Tweed River Tweed The River Tweed, or Tweed Water (, ), is a river long that flows east across the Border region in Scotland and northern England. Tweed (cloth) derives its name from its association with the River Tweed. The Tweed is one of the great salmon rivers of Britain and the only river in England where an Environment Agency rod licence is not required for angling. "Tweed" is a British name of uncertain meaning. It flows primarily through the scenic Borders region of Scotland, and eastwards from the settlements on opposing banks of Birgham and Carham forms the historic boundary
River Esk, Dumfries and Galloway Longtown the river enters England and merges with the River Lyne and enters the Solway Firth near the mouth of the River Eden. It was formerly one of the boundaries of the Debatable Lands as marked by the Scots' Dike. The Scotland Act 1998 (Border Rivers) Order 1999 provides that functions relating to the management of salmon, trout, eels and freshwater fish in respect of the whole of the River Esk remain with UK ministers: the Border Esk and its tributaries are the only rivers in Scotland where an Environment Agency rod licence is required for angling. The various tributaries