Colour Heugh and Bowden Doors
Colour Heugh and Bowden Doors are two crag rock formations in north Northumberland in North East England, designated as a Site of Special Scientific Interest (SSSI). The site is described as "arguably the most impressive exposures of the early-mid Dinantian Fell Sandstone Group in the whole of northern England". Location and natural features. Colour Heugh and Bowden Doors are two crags situated north-north-east of Chatton and west of Belford in Northumberland. Bowden Doors comprises of west-south-west facing crags of 7–15 metres height; Colour Heugh, some north of Bowden Doors, is  a similarly orientated crag. Both crags expose sandstone of the Dinantian Fell Sandstone Group, enabling its alluvial sedimentary strata to be seen, and preserving the shapes of meandering river-beds. The condition of Colour Heugh and Bowden Doors was judged to be favourable in 2009. Bowden Doors is a well-known rock-climbing crag, with several hundred routes mapped.