The Glyderau (a Welsh plural form, also known in English as the Glyders) are a mountain group in Snowdonia, North Wales. The name derives from the highest peaks in the range, Glyder Fawr and Glyder Fach. According to Sir Ifor Williams, the word "Glyder" derives from the Welsh word "Cludair", meaning a heap of stones.
East Ridge of Y Garn (2+), before traversing along the tops of the Northern Glyderau, and descending to climb Atlantic Ridge (3) on Carnedd y Filiast. With one mock client.
