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.
Y Gribin with a group of keen Yr9 pupils. They hadn't felt strong enough to get up early to do Tryfan, and we had to be back at the coach for 2pm, so it made a perfect little outing.