Derbyshire Dome
The plateau is mostly between 200m and 300m above sea level. This limestone outcrop is surrounded on the west, north and east by a horseshoe-shaped formation of younger sandstones (gritstones) and shales, known as the Dark Peak (see diagram). The town of Buxton is at the western edge of the limestone region. The Triassic sandstones of the Midlands plain are the south edge of the limestone region.