Porth Hellick Down Burial Chamber

Porth Hellick Down is an area of downland on the east side of the island of St Mary’s in the Isles of Scilly. Seven Scillonian entrance graves stand on the down, the largest is the Great Tomb which has a 12m diameter and a central burial chamber 3m long and 1m high. An unroofed passage 4.2m long leads into the chamber at an angle.