Crag may refer to: A steep rugged mass of rock projecting upward or outward, especially a cliff or vertical rock exposure in the north of England or in Scotland A rock-climbers' term for a cliff or group of cliffs, in any location, which's or may be suitable for climbing Crag and tail, a geological formation caused by the passage of a glacier over an area of hard rock Craggy Island, a fictional Island on Father Ted Marine deposits of Pleistocene age found in East Anglia, the Reg Crag and Nor… (More on Crag)