Carreg Samson is a Dolmen in Wales.

As with others of this type the structure would originally have been covered with earth.

It is one of the most beautiful spots overlooking the sea, near the picturesque port of Abercastle.

This is a typical example of this type of Neolithic chambered tomb.
The Capstone is 4.5 metres long, 1 metre thick, 2.7 metres wide and between 1 and 2 metres high.

When excavated, it was found that a pit of almost a metre deep lay underneath. The was pit covered by clay stones. A small quantity of bone, flint and pottery was unearthed at the site and included a vessel containing cremated ashes. 

Carreg Samson is also known locally as The Longhouse Cromlech