The Cairn at Barnenez lies at on the tip of the Peninsula of Kernéléhen, jutting out into the Bay of Morlaix at the head of the Morlaix River. Curiously, the cairn was only ‘discovered’ in the 1950s as a result of quarrying which uncovered some of the internal structures.
Stone were carefully assembled, not just piled one on top of another:
This is an extraordinary site – do visit if you are in the north of Brittany.
Further information
The Cairn at Barnenez
The Megalithic Portal for all things prehistoric
Heyjude
This looks very much like what you’d find on one of the Scottish Islands – the Orkney Islands maybe.