The Berwyn range (Welsh: Y Berwyn or Mynydd y Berwyn) is an isolated and sparsely populated area of moorland in the northeast of Wales, roughly bounded by Llangollen in the northeast, Corwen in the northwest, Bala in the southwest, and Oswestry in the southeast.
Cyrniau Nod is a mountain summit in north east Wales.
Foel Cwm Sian Llŵyd is a subsidiary summit of Cyrniau Nod in north east Wales.
Gwynedd is a county in Wales, sharing borders with Powys, Conwy, Anglesey over the Menai Strait, and Ceredigion over the River Dyfi.
The mountains and hills of Great Britain, and to a lesser extent Ireland, are the subject of a considerable number of lists that categorise them by height, topographic prominence, or other criteria.
Ordnance Survey (OS) is a national mapping agency in the United Kingdom which covers the island of Great Britain.
Post Gwyn is a subsidiary summit of Cadair Berwyn in north east Wales.
Snowdonia (Eryri) is a mountainous region in northwestern Wales and a national park of in area.
Wales (Cymru) is a country that is part of the United Kingdom and the island of Great Britain.
Welsh (Cymraeg or y Gymraeg) is a member of the Brittonic branch of the Celtic languages.