This megalith known as of "propped up" type is known under the name of Ti ar C'horriged, i.e. the house of the Goblins.

It was gone back to 3000 front. JC approximately. It was covered with a mound retained by small menhirs drawn up, now fallen.

One found there axes, two muds, fragments of pottery, grinding stones and serrated rollers, dating from the end from the Neolithic era, and a funerary mud of the Roman time.