 Great Tomb at Porth Hellick Down | |
  Shown within Isles of Scilly | |
| Region | Isles of Scilly |
|---|---|
| Coordinates | 49°55′06″N 6°16′52″W / 49.91829°N 6.28113°W |
| Type | Entrance grave |
| History | |
| Founded | c.2000-1500 BC |
| Site notes | |
| Excavation dates | 1899 |
| Archaeologists | George Bonsor |
| Official name | Porth Hellick Down |
| Designated | 1975 |
| Reference no. | 304047[1] |
Porth Hellick Down is a Neolithic and Bronze Age archeological site located on the island of St Mary's, in the Isles of Scilly in Great Britain. The ancient burial monument encompasses a large cairn cemetery that includes at least six entrance graves, other unchambered cairns, and a prehistoric field system. The site is notable for having the largest assembly of surviving entrance graves.
- ^ "Monument No. 304047". Historic England: Pastscape. Retrieved 18 July 2020.