Maen Arthur, Mynydd Mechell

On private land in a field belonging to a farm called Maen Arthur to the north-east of Mynydd Mechell and 1km S of Llanfechell. The farm is approached by a private track which is also a public footpath, then ask for permission at farm.

A large natural glacial erratic boulder lying on top of an outcrop but isolated and visible from a long way around. The name may refer to KingArthur, with whom many hills and monuments in Britain are traditionally associated.