Stac Rhos is a top of Pen y Boncyn Trefeilw in north east

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. It forms a part of the

Berwyn range The Berwyn range (Welsh (language), 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, Gw ...

called the Hirnantau. The views from the summit are extensive, if unremarkable due to the featureless, flat moorland surroundings. The summit is marked by a small cairn, and a boundary stone. To the east is Cyrniau Nod, while Cefn Gwyntog is to the south-east.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .

References

Llangywer Llanwddyn Mountains and hills of Gwynedd Mountains and hills of Powys Hewitts of Wales Nuttalls {{Gwynedd-geo-stub