To the west of this is a ridge of mountains with a steep scarp slope to the west, the Clwydian Range. The highest point of these hills is Moel Famau at . The north-central part is the broad Vale of Clwyd, and the best agricultural land lies here. To the south of this, the land is much higher and more rugged, the Denbigh Moors and the Berwyn range are here. The central and western parts are much more rural than the coastal area and the east, with part of the Snowdonia National Park lying in the western part. The population as of 2007 is estimated at 491,100, based on figures for the four component unitary authority areas.