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Cof Cymru: National Historic Assets of Wales · Wales

Bryn Derwydd stone circle

Penmaenmawr, Conwy, Wales

The record

Designation
Scheduled monument
Site type
Stone Circle
Period
Prehistoric
Date of designation
22 December 2003
Community
Penmaenmawr
Unitary authority
Conwy
Country
Wales
Coordinates (centre of the scheduled area)
53.25731, -3.90185
SAM number
CN339
Cadw record number
1076

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

The following provides a general description of the Scheduled Monument.

The monument comprises the remains of a stone circle, probably dating to the Bronze Age (c.2300 BC - 800 BC). It is situated in enclosed pasture and consists of at least five small earthfast stones, set on a slight circular platform. The circle measures about 18m overall.

The monument is of national importance for its potential to enhance our knowledge of prehistoric ritual practices. The monument retains significant archaeological potential with a strong probability of associated archaeological features and deposits and forms an important element in the wider prehistoric funerary and ritual landscape.

The scheduled area comprises the remains described and an area around them within which related evidence may be expected to survive. It is circular and measures 30m in diameter.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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