Gwynedd Archaeological Trust
Regional Historic Environment Record

Betws Bwchwdw, Site of, Penyfynwent

Primary Reference Number (PRN) : 2102
Trust : Gwynedd
Community : Rhosybol
Unitary authority : Ynys Mon
NGR : SH43358884
Site Type (preferred type first) : Medieval ENCLOSURE
Status : Scheduled Monument

Description :
Bettws Bwchwdw (church symbol shown within enclosure). <1>

Bettws Bwchwdw - site of an early building on an eminence three quarters of a mile south of Parys Mountain towards the western end. <2>

Capel Tegeryn by Trysglwyn Amlwch from Hughes old manuscript may be a Bettws Bwchwdw, Pen y Fynwent 2.5 miles south by west of Amlwch church. <3>

Remains of a chapel dedicated to St. Morwenna at Bettws Bwchwdw. <4>

Pen-y-Fynwent earthwork in the eastern part of the parish on a low hill between the 200 and 300ft contours, a small pentagonal enclosure with a single bank and ditch and traces of an entrance in the N.E. side, the area enclosed being about 110ft square. The site has been denuded by ploughing. <5>

Pen-y-Fynwent (43358884). <6>

A much-ploughed down earthwork consisting of a roughly pentagonal bank, up to 0.7m high with traces of an outer ditch except on north-east side, where there is a simple entrance. Local traditional holds Pen-y-Fynwent to be the site of Capel Tegeryn. Published 25" survey revised. <7>

SH 433 887: Pen-y-Fynwent enclosure, scheduled. <8>

A pentagonal earthwork enclosure defined by a bank and external ditch, with an entrance causeway on the NE. The site has been ploughed heavily, the bank now being less than 1m high and 30m x 30m internally. Probably a pre-medieval homestead, it has been suggested that it is the site of an early chapel, either Bettws Bwchwdw or Capel Tegeryn. <9>

Bettws Bwchwdw- site of an early building on an eminence three quarters of a mile south of Parys mountain, towards the western end. (Jones 1855, 26) The site is usually associated with Pen y Fynwent. This is a pentagonal earthwork enclosure defined by a 1m high bank and external ditch c. 30m x 30m internally. (RCAHMW 1937, 146). it may also be the same as Cape! Tegeryn, described as by Trysglwyn (HH No. 12; Baynes 1921, No. 64). Mwchwdw (Machwdo, Bwchwdw) is thought to be the name of a saint (Baring-Gould and Fisher 1911 , iii, 505). They also say a tombstone from the site was used as a door-step to a house in the parish.
The well preserved remains of an enclosure, which may pre-date the chapel and be of prehistoric origin. One (and possibly two) prehistoric tumuli are located in the same field just N of Penyfynwent. Scheduled. The inclusion of the site within the Valor Ecclesiasticus and later lists confirms its status as a church, quite possibly for serving the southern part of the large parish of Amlwch. (Davidson, 2004).

Sources :
Davidson, A. , 2004 , Deserted Ecclesiastical Sites in North-West Wales: A Threat Related Archaeological Assessment ( © GAT)
Hadley, A. , 2016 , Proposed Wind Turbine at Nant-y-fran, Cemaes, Isles of Anglesey. Cultural Heritage Impact Assessment. ( © Archaeology Wales)
Ordnance Survey , 1840 , SH48NW , <1>
Jones, H. L. , 1855 , Archaeologia Cambrensis , <2>
Neil Baynes, E. , 1920 , Transactions of the Anglesey Antiquarian Society , <3>
Baring-Gould, S. & Fisher, J. , 1911 , Lives of the British Saints , <4>
Royal Commission on Ancient and Historic Monuments , 1937 , Inventory of Ancient Monuments of Anglesey , <5>
Ordnance Survey , 1963 , SH48NW , <6>
Ordnance Survey , 1970 , SH48NW 1 , <7>
, 1981 , Ancient Monument List Wales , <8>

Events :
42241 : An 124 Fmw Site Visit (year : 1996)
40569 : Deserted Ecclesiastical Sites in North-west Wales: a Threat-related Archaeological Assessment (year : 2004)
45130 : Proposed Wind Turbine at Nant-y-fran, Cemaes, Isle of Anglesey. Cultural Heritage Impact Assessment. (year : 2016)

Related PRNs : 43602, 275606

Compiled date : 17-12-1986

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 2019 (and in part © Crown, 2019 - 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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