Bwrdd Arthur
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Bwrdd Arthur (meaning "Arthur's Table"), also known as Din Sylwy, is a flat-topped
limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...
hill on the island of
Anglesey Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a principal area known as the Isle of Anglesey, that includes Holy Island across the narrow Cymyran Strait and some islets and skerries. Anglesey island ...
, in Wales. Located on the eastern end of
Red Wharf Bay Red Wharf Bay, also known as Traeth Coch (Welsh for "red beach"), is a village and a wide sandy bay in the Anglesey Area of Outstanding Natural Beauty on the east coast of the island of Anglesey in Wales. The bay lies between the villages of Pe ...
, some 3 kilometres north west of Llangoed, it is noteworthy from the evidence of pre-historic occupation and as a
Site of Special Scientific Interest A Site of Special Scientific Interest (SSSI) in Great Britain or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland is a conservation designation denoting a protected area in the United Kingdom and Isle of ...
designated for its botanical interest. The tiny medieval church of St Michael is on the eastern side of the hill fort.


Botany

The site has both calcareous heath and limestone exposures which between them support plant communities including western gorse '' Ulex gallii'', common rockrose '' Helianthemum nummularium'', pale St. John's wort ''
Hypericum montanum ''Hypericum montanum'' is a plant species in the genus ''Hypericum'' commonly known as pale St. John's-wort or mountain St. John's wort. It is native to Eurasia and Morocco Morocco (),, ) officially the Kingdom of Morocco, is the west ...
'', Frog orchid ''
Coeloglossum viride ''Coeloglossum'' is a genus of flowering plants in the orchid family Orchidaceae. It has long been considered to have only one species, ''Coeloglossum viride'', the frog orchid. Some recent classifications regard ''Coeloglossum'' as part of the ...
'', ivy broomrape ''
Orobanche hederae ''Orobanche hederae'', the ivy broomrape, is, like other members of the genus ''Orobanche'', a parasitic plant without chlorophyll, and thus totally dependent on its host, which is ivy. It grows to , with stems in shades of brown and purple, some ...
'' and the nationally rare hoary rockrose ''
Helianthemum canum ''Helianthemum oelandicum'', commonly called hoary rockrose, is a low growing plant confined to rocky dry calcareous areas especially close to the sea. Description The plant typically has a central stock from which numerous branches radiate hor ...
''


Archaeology

The whole site, which is in private ownership, is a
scheduled monument In the United Kingdom, a scheduled monument is a nationally important archaeological site or historic building, given protection against unauthorised change. The various pieces of legislation that legally protect heritage assets from damage and d ...
and is believed to have been occupied as a significant hill fort both before and during the
Roman invasion The Roman conquest of Britain refers to the conquest of the island of Britain by occupying Roman forces. It began in earnest in AD 43 under Emperor Claudius, and was largely completed in the southern half of Britain by 87 when the Stane ...
Gwynedd Archaeological Trust – Din Sylwy
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References

Llanddona Hillforts in Anglesey Mountains and hills of Anglesey Sites of Special Scientific Interest on Anglesey Scheduled monuments in Wales {{UK-SSSI-stub