Excavation of Neolithic chambered tomb on Anglesey begins

An archaeological excavation of Ynys Môn's least known Neolithic chambered tomb – Perthi Duon, west of the village of Brynsiencyn on Anglesey – has begun. The work is being carried out by a team from the Welsh Rock Art Organisation under the direction of Dr George Nash of the University of Bristol and Carol James.

Perthi Duon, considered to be the remains of a portal dolmen, is one of eighteen extant stone chambered monuments that stand within a 1.5 km corridor of the Menai Straits.

The antiquarian Henry Rowlands reports in 1723 that beneath the large capstone were three stones, possibly upright stones or pillars. However, by the beginning of the nineteenth century the monument was in a ruinous state, incorporated into a north-south hedge boundary, itself now removed.

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