Said to be the home of a giant who was killed when the giant of Launceston Castle threw a tool at him. In the centre of the fort there is a long mound, 22 m long, 10m high and 6m high, flanked by indistinct ditches in the manner of a Neolithic Long Barrow. This is variously known as ‘Arthur’s Grave’, ‘King Arthur’s Tomb, and ‘The Giant’s Grave’ but there is no evidence to link King Arthur with the site and there are lots of Arthur’s Graves in Britain. Experts say it is more likely to be a medieval rabbit warren.