Gwynedd Archaeological Trust
Regional Historic Environment Record

Bodowyr Burial Chamber, Brynsiencyn

Primary Reference Number (PRN) : 3134
Trust : Gwynedd
Community : Llanidan
Unitary authority : Ynys Mon
NGR : SH4621968160
Site Type (preferred type first) : Neolithic CHAMBERED TOMB
Status : Scheduled Ancient Monument , Cared for by the State

Description :
Bodowyr burial chamber; consisting of a capstone supported by three uprights. The slight rise on which the chamber rests may be the remains of a mound. (RCAHMW, 1937)

A chamber at present consisting of capstone supported by three orthostats, a fourth orthostat lies fallen and partly buried in the ground. There is also a fifth low stone forming one side of the chambers. There are perhaps faint traces of a mound. <2>

There is no evidence of a mound, otherwise the site is as described by Daniel. <3>

Condition unchanged since 1967. <4>

SH463682 Bodowry. A Neolithic passage grave similar to those in the Irish Sea area, of which the passage has disappeared. The entrance is marked by a low stone on the E side which can be reasonably interpreted as a sill stone across the entrance, and occurs in more elaborate later passage graves. <5>

There does seem to be traces of a mound although ploughing comes quite close to the monument and it could be that ploughing has reduced the area around giving the impression of a mound. If the eastern lower stone is a sill stone then the chamber opens to the east and frames, deliberately or not, a dramatic view of the Carneddau, enhanced by the monument's position on a ridge. (Smith, 2003)

The Bodowyr Burial Chamber is a megalithic monument now consolidated for public viewing. It consists of five upright orthostatic stones, one now fallen, which define a polygonal chamber. Three of the stones support a mushroom shaped capstone about 2.5m by 1.9m and up to 0.9m thick. The chamber would have lain within a cairn or mound of which there is now no trace. It can be identified as a Neolithic ritual or funerary monument. (Cooke, 2013)

Sources :
Cooke, R. , 2013 , Bodrida Wind Turbine, Brynsiencyn, Isle of Anglesey: Archaeological Desk Based Assessment ( © Aeon Archaeology)
Cooke, R. & Evans, R. , 2012 , Proposed Wind Turbine at Tre Ifan, Brynsiencyn, Anglesey: Archaeological Assessment ( © GAT)
Mees, K. , 2013 , From the sublime to the Druidical: changing perceptions of prehistoric monuments in souther Anglesey in the post-medieval period , Post-Medieval Archaeology : Vol. 47 : pp.222-246
Smith, G. , 2003 , Prehistoric Funerary and Ritual Monument Survey: West Gwynedd and Anglesey ( © GAT)
Smith, G., and Steele, N. , 2005 , Pan-Wales Prehistoric Funerary and Ritual Sites Survey: Trial Data Synthesis ( © GAT)
The Royal Commission on the Ancient and Historical Monuments of Wales , 1937 , An Inventory of the Ancient Monuments in Anglesey
Daniel, G. , 1950 , The Prehistoric Chambered Tombs of England and Wales , <2>
Ordnance Survey , 1967 , SH46NE 1 , <3>
Ordnance Survey , 1970 , SH46NE 1 , <4>
, 1974 , Ancient Monuments Wales , <5>
Lynch, F. , 1970 , Prehistoric Anglesey , <8>
Longley, D. & Yates, M. , 2001 , Anglesey: A Guide to Ancient Monuments on the Isle of Anglesey , <11>

Events :
40526 : Prehistoric Funerary and Ritual Monument Survey: West Gwynedd/Anglesey (year : 2003)
44548 : Bodrida Wind Turbine, Brynsiencyn, Isle of Anglesey (year : 2013)
44662 : Proposed Wind Turbine at Tre Ifan, Brynsiencyn, Anglesey (year : 2012)
40527 : Pan-wales Prehistoric Funerary and Ritual Sites Survey: Trial Data Synthesis (year : 2005)

Related PRNs : 93830

Compiled date :


Images :



The above data are supplied by GAT in partnership with its Local Authorities (Anglesey, Conwy and Gwynedd County Councils, and Snowdonia National Park Authority), © GAT 2018 (and in part © Crown, 2018 - as indicated)
This information is supplied for the purposes of personal interest only and may not be used as part of a commercial project.

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