Anglo-Scottish border north of the boundary for oil installations established by the Civil Jurisdiction (Offshore Activities) Order 1987. The border country, historically known as the Scottish Marches, is the area either side of the Anglo-Scottish border including parts of the modern council areas of Dumfries and Galloway and the Scottish Borders, and parts of the English counties of Cumbria and Northumberland. It is a hilly area, with the Scottish Southern Uplands to the north, and the Cheviot Hills forming the border between the two countries to the south. From the Norman conquest of England until the reign of James VI of Scotland,
Northumberland Sandstone Hills Northumberland Sandstone Hills The Northumberland Sandstone Hills are a major natural region that lies entirely within the English county of Northumberland. Their sandstone hills form distinctive skylines with generally level tops, northwest facing scarps and craggy outcrops offering exceptional views to the Cheviots further west. The Northumberland Sandstone Hills lie not far from the coast of Northumberland and the region is listed as National Character Area 2 by Natural England, the UK Government's advisor on the natural environment. The region covers an area of , beginning at Kyloe in the north and running in a strip roughly 10 to 15