Pen y Boncyn Trefeilw is a subsidiary summit of Cyrniau Nod in north east Wales. It forms a part of the Berwyn range called the Hirnantau. It has two tops: Stac Rhos and Pen y Cerrig Duon. Pen y Cerrig Duon is now listed as a deleted Nuttall due to re-surveying.

Pen y Boncyn Trefeilw
Pen y Boncyn Trefeilw from Foel y Geifr
Highest point
Elevation646 m (2,119 ft)
Prominence57 m (187 ft)
ListingHewitt, Nuttall
Naming
Language of nameWelsh
Geography
LocationGwynedd, Wales
Parent rangeBerwyn range
OS gridSH 96255 28339
Topo mapOS Landranger 125
Listed summits of Pen y Boncyn Trefeilw
Name Grid ref Height Status
Stac Rhos SJ085335 630 metres (2,067 ft) sub Hewitt, Nuttall

The views from the summit are extensive, if unremarkable due to the featureless, flat moorland surroundings. The summit is marked by a small cairn, is which located only a few metres from a track road that continues on to the pass between Cyrniau Nod and Y Groes Fagl.[1]

References edit

  1. ^ Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. ISBN 1-85284-304-7.

52°50′33″N 3°32′30″W / 52.84250°N 3.54167°W / 52.84250; -3.54167