The Tarth Water is a river in

Peebleshire Peeblesshire (), the County of Peebles or Tweeddale is a historic county of Scotland. Its county town is Peebles, and it borders Midlothian to the north, Selkirkshire to the east, Dumfriesshire to the south, and Lanarkshire to the west. Histo ...

, in the

Scottish Borders The Scottish Borders is one of 32 council areas of Scotland. It is bordered by West Lothian, Edinburgh, Midlothian, and East Lothian to the north, the North Sea to the east, Dumfries and Galloway to the south-west, South Lanarkshire to the we ...

. It forms part of the

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 ...

system. The river with a total length of 7.1 miles, rises on Mendick Hill, a Marilyn, and flows past the villages of Dolphinton and

Blyth Bridge Blyth Bridge is a small hamlet in the Scottish Borders area of Scotland, near to West Linton. It is located in a bend on the A701 which goes from Moffat to Edinburgh, close to the junction with the East-West road the A72 which goes to Peeb ...

before converging at

Drochil Castle Drochil Castle is a ruined castle in the Scottish Borders. It is located above the Lyne Water, north-west of Peebles, and south of West Linton. James Douglas, 4th Earl of Morton, Regent of Scotland, started building Drochil Castle in 1578 ...

with the Lyne Water, a tributary of the Tweed.

See also