Kershope Burn is a minor river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 running in its entirety along the border between England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

.

The river rises, as Clark's Sike, in a marshy area in Kielder Forest

Kielder Forest

Kielder Forest is a large forestry plantation in Northumberland, England, surrounding the reservoir Kielder Water. It is the largest man-made woodland in Europe...

 Northumberland

Northumberland

Northumberland is the northernmost ceremonial county and a unitary district in North East England. For Eurostat purposes Northumberland is a NUTS 3 region and is one of three boroughs or unitary districts that comprise the "Northumberland and Tyne and Wear" NUTS 2 region...

 known as Hobb's Flow, before becoming Kershope Burn after running by Kershopehead, a farmstead in Cumbria

Cumbria

Cumbria , is a non-metropolitan county in North West England. The county and Cumbria County Council, its local authority, came into existence in 1974 after the passage of the Local Government Act 1972. Cumbria's largest settlement and county town is Carlisle. It consists of six districts, and in...

.

The river runs into Liddel Water

Liddel Water

Liddel Water is a river running through southern Scotland and northern England, for much of its course forming the border between the two countries, and was formerly one of the boundaries of the Debatable Lands....

 at Kershopefoot

Kershopefoot

Kershopefoot is a small village in Cumbria, England. It is located very close to the Scotland-England border and is near the Kershope Burn and the Liddel Water....

, after which Liddel Water marks the boundary between England and Scotland.