Glasgwm is a mountain in

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...

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 ...

forming part of the Aran range in southern

Snowdonia Snowdonia or Eryri (), is a mountainous region in northwestern Wales and a national park of in area. It was the first to be designated of the three national parks in Wales, in 1951. Name and extent It was a commonly held belief that the nam ...

. It is one of the three Marilyns that make up the range, the others being

Aran Fawddwy Aran Fawddwy is a mountain in southern Snowdonia, Wales, United Kingdom. It is the highest point (county top) of the historic county of Merionethshire (for local government purposes, it lies within the current council area of Gwynedd). ...

and Esgeiriau Gwynion. To the west is

Maesglase Maesglase is a mountain in Snowdonia, North Wales, situated approximately four miles to the south-west of Aran Fawddwy. It is the highest of the Dyfi Hills. It can be reached by an easy but steep walk through the forestry from Dinas Mawd ...

and the Dyfi hills, while to the south-west lies

Cadair Idris Cadair Idris or Cader Idris is a mountain in the Meirionnydd area of Gwynedd, Wales. It lies at the southern end of the Snowdonia National Park near the town of Dolgellau. The peak, which is one of the most popular in Wales for walkers and hiker ...

. To the south lies the

Plynlimon Pumlumon (historically anglicised in various ways including ''Plynlimon,'' Plinlimon and Plinlimmon) is the highest point of the Cambrian Mountains in Wales (taking a restricted definition of the Cambrian Mountains, excluding Snowdonia, ...

range. It is high. Craig Cywarch makes up the south face of Glasgwm. Its crags are very popular with rock climbers. A mountaineering club hut is found at the foot of the cliffs. Glasgwm's summit sits on a large rocky knoll marked by a cairn. The high altitude lake of Llyn y Fign lies adjacent to the summit, and is one of the largest bodies of water adjacent to a 700m+ summit in England and Wales.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .

References

Brithdir and Llanfachreth Mawddwy Mountains and hills of Gwynedd Mountains and hills of Snowdonia Climbing areas of Wales Hewitts of Wales Marilyns of Wales Nuttalls {{Gwynedd-geo-stub