Pen Twyn Glas is a top of
Pen Allt-mawr
Pen Allt-mawr is a high subsidiary summit of Waun Fach and the third highest peak in the Black Mountains in south-eastern Wales. A very recognisable and prominent peak of the Black Mountains, it lies near the end of the more westerly of Wa ...
in the
Black Mountains in south-eastern
Wales
Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
. It lies in between
Pen Allt-mawr
Pen Allt-mawr is a high subsidiary summit of Waun Fach and the third highest peak in the Black Mountains in south-eastern Wales. A very recognisable and prominent peak of the Black Mountains, it lies near the end of the more westerly of Wa ...
and
Mynydd Llysiau
Mynydd Llysiau is a subsidiary summit of Waun Fach in the Black Mountains in south-eastern Wales. It lies halfway between Waun Fach and Pen Allt-mawr
Pen Allt-mawr is a high subsidiary summit of Waun Fach and the third highest peak in th ...
.
The summit is merely a grassy bump on the ridge marked by a pile of stones.
[Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .]
References
External links
www.geograph.co.uk : photos of Waun Fach and surrounding area
{{coord, 51.96292, N, 3.14392, W, region:GB_source:enwiki-osgb36(SO215300), display=title
Black Mountains, Wales
Mountains and hills of Powys
Hewitts of Wales
Nuttalls