Gwynedd Archaeological Trust
Regional Historic Environment Record

Earthwork Enclosure, Llifad

Primary Reference Number (PRN) : 3053
Trust : Gwynedd
Community : Mechell
Unitary authority : Ynys Mon
NGR : SH38499106
Site Type (preferred type first) : ROMAN ENCLOSURE
Status : Scheduled Monument

Description :
On the S slope of Pen-y-morwydd; it is a rough pentagonal enclosure with a ditch and two banks. the defences remain in their original state on the E side only, elsewhere the earthwork has been almost ploughed away. There is an entrance at the W angle.

Classed with other C2nd-4th AD sites in the category of Din Lligwy. <1>

The enclosure is as described with an entrance in the W. The flat bottomed ditch in the E is some 2m deep with and inner and outer bank. <2>

Square earthwork enclosure, one of two in the valley, 'which has one side tolerably preserved' and covers an area 50yds square. Only the E side is well-preserved, the rest being under plough. 1876. <3>

This is one of two similar enclosures mentioned by Williams - see also 1599. <4>

Nearly square enclosure - a ditch between two enclosing banks. A tumulous is situated on a hill top 160m N of the earthwork it is badly eroded and stands about 2m high. <4>

Sources :
Cooke, N. , 2014 , Rhyd-y-Groes Repower, Anglesey: Cultural Heritage Assessment. ( © Wessex Archaeology)
Hadley, A. , 2016 , Proposed Wind Turbine at Nant-y-fran, Cemaes, Isles of Anglesey. Cultural Heritage Impact Assessment. ( © Archaeology Wales)
Waddington, K. , 2010 , Early Celtic Societies in North Wales
Waddington, K. , 2013 , The Settlements of Northwest Wales: From the Late Bronze Age to the Early Medieval Period
Royal Commission on Ancient and Historic Monuments , 1937 , Anglesey , <1>
Ordnance Survey , 1969 , SH39SE 12 , <2>
Williams, W. W. , 1876 , Archaeologia Cambrensis , <3>
Smith, G. , 1998 , Hut Circle Settlement Survey , <6>

Events :
42676 : An 079 Fmw Site Visit (year : 1986)
42677 : An 079 Fmw Site Visit (year : 1990)
40782 : Hut Circle Settlement Survey (year : 1998)
44557 : Early Celtic Societies in North Wales (year : 2010)
45013 : Rhyd-y-Groes Repower, Anglesey: Cultural Heritage Assessment. (year : 2014)
45130 : Proposed Wind Turbine at Nant-y-fran, Cemaes, Isle of Anglesey. Cultural Heritage Impact Assessment. (year : 2016)

Related records
National Monuments Record Wales NPRN 300840 https://coflein.gov.uk/en/site/300840/

Compiled date : 28-10-1986


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 2025 (and in part © Crown, 2025 - as indicated)
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March 29, 2025, 7:27 pm - HTML file produced from Gwynedd Archaeological Trust Regional HER
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