Gwaun y Llwyni is a subsidiary summit of Aran Fawddwy in southern Snowdonia, Wales. It forms a part of the Aran mountain range. The peak's southern face is very steep and forms one of the backwalls of Cwm Cywarch. The summit is grassy and is marked by a small cairn. Pen yr Allt Uchaf rises on the other side of Cwm Cywarch, Aran Fawddwy is to the north-east, Waun Camddwr to the north and Glasgwm to the west. It is a UK listed Nuttall.

Clive G

August 7, 2025

Hiking

Outlier summit with great views into the valley.

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Elevation 690 m

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Wednesday 25 March

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Location: Mawddwy, Gwynedd, North Wales, Wales, United Kingdom

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Gwaun y Llwyni Summit

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