Geography of Dorset is the Blackmore Vale, a relatively low-lying area of clays and limestones of Jurassic age. The south-east of the county forms part of the Hampshire Basin, an asymmetric syncline covered in sands and gravels of Paleogene age. The main rivers in the county are the Stour, Frome and Piddle. The Stour is the county's largest river, although its source is in the neighbouring county of Wiltshire. The Frome and Piddle both lie wholly within the county. The whole of Dorset's coastline is designated part of the Jurassic Coast World Heritage Site, and contains examples of many different coastal landforms, reflecting
Culture of Dorset Culture of Dorset Dorset (or archaically, Dorsetshire), is a county in South West England on the English Channel coast. The ceremonial county comprises the area covered by the non-metropolitan county, which is governed by Dorset County Council, together with the unitary authorities of Poole and Bournemouth. Dorset is an average sized county with an area of ; it borders Devon to the west, Somerset to the north-west, Wiltshire to the north-east, and Hampshire to the east. Around half of Dorset's population lives in the South East Dorset conurbation. The rest of the county is largely rural with a low population