Dartmoor is an area of moorland in south Devon, England. Protected by National Park status, it covers 954 square kilometres (368 sq mi). The granite upland dates from the Carboniferous period of geological history. The moorland is capped with many exposed granite hilltops known astors, providing habitats for Dartmoor wildlife. The highest point is High Willhays, 621 m (2,037 ft) above sea level. The entire area is rich in antiquities and archaeology.
Source: Wikipedia