Gwerclas usually refers to a former castle and farmstead close to Cymmer in the parish of

Llangar Llangar is a former civil parish in Denbighshire in Wales, south west of Corwen, its post town, and north east of Bala. It is situated at the confluence of the rivers Alwen and Dee, and includes the small hamlets of Bryn, Cymer, and G ...

in the ancient

cantref A cantref ( ; ; plural cantrefi or cantrefs; also rendered as ''cantred'') was a Wales in the Early Middle Ages, medieval Welsh land division, particularly important in the administration of Welsh law. Description Land in medieval Wales was divid ...

of Edernion, Edeyrnion, Wales. It is now just an uninhabited upland area. The modest castle found at the site during the early Middle Ages is now completely ruinous. The ancient Barons of Cymmer yn Edeyrnion (known as the Hughes of Gwerclas) cite this place as their ancestral home.North West Wales Dendrochronology Project, Dating old Welsh houses, Bryn Berllan
/ref> Prior to the resettling of the castle in 1186 by the ancestors of the Hughes family it was the power base of the mysterious ''Maer Du'' or "Black Mayors" of Edeyrnion.

Notes

References

The Royal Tribes of Wales
Philip Yorke, London (1799), *The Royal Families of England, Scotland and Wales, John Bernard Burke (1851), vol. 1, pedigree L11
A Genealogical History of Abeyant, Forfeited, and Extinct Peerages of the British Empire
by Bernard Burke, John Burke, Published by Harrison, 1866, Oxford University {{coord, 52.9682, N, 3.4118, W, source:wikidata, display=title History of Wales Medieval history of Wales Grade II* listed buildings in Denbighshire