Historic background
A largely unenclosed area long the property of the Crown, used as a sheepwalk.
Key historic landscape characteristics
Unenclosed upland
An upland area, largely unenclosed apart from a climbing centre (Plas y Celyn) and a number of regularly-laid out sheepfolds; the cart road constructed in the early nineteenth century to give access to Cefn Du quarry forms the southern boundary to this area.

