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Carneddau and
Glyderau

Carneddau
Carnedd Dafydd
Carnedd Llywelyn
Cwm Idwal
Glyderau
Glyder Fawr
Llyn Bochlwyd
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Llyn Eigiau
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Carnedd Llywelyn



OS Grid ref:- SH683644


Carnedd LlywelynCarnedd Llywelyn soaring to a height of 1,064 metres (3,491 feet) is the highest mountain in the Carneddau massif and the third highest in Wales, surpassed only by Snowdon and its side-peak Carnedd Ugain..

The name translates as "Llywelyn's cairn" and it is widely thought that Carnedd Llewelyn and its neighbouring peak, Carnedd Dafydd were named after Llywelyn ap Gruffudd and his brother Dafydd ap Gruffudd, the last independent prince of Wales. An alternative theory states that the twin peaks are named after Llywelyn the Great, or Llywelyn ap Iorwerth and his son and successor, Dafydd ap Llywelyn.

Carnedd Llewelyn lies at the centre of the main north-east to south-west ridge of the Carneddau, between Carnedd Dafydd (1,040 metres/ 3,412 feet) which lies to the south-west and Foel Grach (976 metres/ 3,202 feet) which is situated to the north. A short subsidiary ridge links it to Yr Elen (962 metres / 3,158 feet) to the north-west. Carnedd Llywelyn's position means that any route to this summit involves a long walk.

The most popular ascent is from Llyn Ogwen, this route traverses the summit of Carnedd Dafydd. From the summit there are magnificent views to the Glyderau range and Snowdon to the south and on clear days it is possible to see Liverpool and the mountains of the Lake District.

Though the summit, like that of many of the mountains in the southern Carneddau, is a flat, boulder-strewn plateau, the cliffs below the ridges are well-known rock climbs, notably Ysgolion Duon (meaning "black ladders") and Craig yr Ysfa.

Image copyright David White

A walk to the summit of Carnedd Llywelyn

Stay safe, by following a few simple rules when walking in the mountains:-