Froggatt Edge

Froggatt Edge is a gritstone escarpment in the Dark Peak area of the Peak District National Park, in Derbyshire, England, close to the villages of Froggatt, Calver, Curbar, Baslow and Grindleford. The name Froggatt Edge applies only to the northernmost section of the escarpment; the middle and southernmost sections are called Curbar Edge and Baslow Edge respectively. The escarpment, like many in this area, is easily accessible from Sheffield.

Source: Wikipedia