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
Pyrénées – Mont Perdu World Heritage Site of Pyrénées Occidentales National Park in France. The World Heritage site comprises a total area of 30,639 hectares. Pyrénées – Mont Perdu World Heritage Site The Pyrénées – Mont Perdu World Heritage Site (also known as UNESCO Patrimonio Mundial Pirineos – Monte Perdido in Spanish) is a World Heritage site straddling the border between Spain and France in the Pyrenees mountain chain. The summit of Monte Perdido (French: Mont Perdu) is on the Spanish side of the border. The site was designated in 1997 and extended north in 1999 to include the Commune of Gèdre in France. The site includes