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
Kukhva River Kukhva River The Kukhva (, ) is a river in Kārsava, Baltinava, and Viļaka municipalities of Latvia and in Pytalovsky and Ostrovsky Districts of Pskov Oblast in Russia. It is a left tributary of the Velikaya. It is long, and the area of its basin . The source of the Kukhva is Lake Numerne in eastern Latvia. The river flows north, and a stretch of it forms part of the international border between Latvia and Russia. The Kukhva further north departs from the border, crosses the northern part of Pytalovsky District of Pskov Oblast, forms the border between Ostrovsky and