page_title: Dwygyfylchi
section_title: History
hierarchical_section_title: Dwygyfylchi / History
caption_attribution_description: Map of Penmaenmawr from 1947. Scale 1 inch to the mile 600DPI Sheet 107 "Snowdon"
context_page_description: Dwygyfylchi is a village in Conwy County Borough, Wales. It is part of the community of Penmaenmawr which has a population of 4,353. The electoral ward of Capelulo which includes Dwygyfylchi had a population of 1,485 in 2011. It was formerly part of the historic county of Caernarfonshire.
context_section_description: The surrounding landscape is dotted with palaeolithic, mesolithic, neolithic, Bronze Age and Iron Age structures, including cromlechs, standing stones, stone circles and hill forts. Notable Iron Age hill forts in the area are Caer Seion, at the summit of Conwy mountain, and nearby Braich-y-Dinas, one of the largest Iron Age hill-forts in Europe (and comparable with Tre'r Ceiri near Trefor on the Llŷn peninsula), at the summit of Penmaenmawr. Nothing remains of Braich-y-Dinas, however, as the last remnants were destroyed in the 1920s. The 1868 National Gazetteer of Great Britain and Ireland notes: "In this neighbourhood are a great number of antiquities, consisting of cromlechs and single upright stones, the remains of a British camp, with ditches and ramparts, &c."
  About a mile or so north of Dwygyfylchi & Penmaenmawr lies Llys Helig. This has been said to have been the palace of Prince Helig ap Glanawg or Glannog who lived in the 6th century Prince Helig ap Glanawg owned a large area of land between the Great Orme's Head near Llandudno and the Menai Strait off the north coast of Gwynedd. This area was inundated by the sea  which has given rise to the legend of the drowned kingdom. The legend states the remains of Llys Helig, said to be his palace, can be seen at exceptionally low tides, this being near the Conwy channel, about a mile or so off the coast at Penmaenmawr. The earliest known use of the name Llys Helig regarding this rock formation is the Halliwell Manuscript which is believed to date to around the beginning of the 15th century, nine centuries later. The Llys Helig rock formation is a glacial moraine left behind by previous subsequent ice ages. There is a fish weir south of this which tradition dates to the beginning of the 6th century which was used up until the early 20th century. The sea level was low enough around 1600 AD to make the claims of Sir John Wynne of Gwydir feasible.
  The Church in Wales parish church, dedicated to Saint Gwynin or Gwynan, was built between 1888 and 1889. The pews of the present church were made from the roof timbers of the earlier church building constructed in 1760, the foundation stone of which was preserved and mounted on the vestry wall of the present church, where it can still be seen. St Gwynin's gwyl mabsant (Patronal Festival) is December 31. Dwygyfylchi is also associated with Saint Ulo, Capelulo at the foot of Sychnant reputedly having been the site of an early medieval church. In 1851, in addition to the parish church, with a congregation of 80 and 20 scholars, the village had also a Wesleyan Methodist chapel at Penmaenmawr (erected 1841), a Welsh Calvinistic Methodist one at Pen y cae Chappel (erected 1818, rebuilt 1840), and a Horeb Nonconformist (Independent) chapel (erected 1813).
caption: A map of Penmaenmawr from 1947
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