Y Garn is a mountain in the southern Snowdonia, Wales, north of Dolgellau. It is an outlier of the Rhinogydd range, rising above the Coed-y-Brenin forest and the Rhaeadr Du waterfalls. An abandoned gold mine lies on its eastern slopes and Diffwys (750m) can be seen to the north from the summit.Nuttall, John & Anne (1999). The Mountains of England & Wales - Volume 1: Wales (2nd edition ed.). Milnthorpe, Cumbria: Cicerone. .

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