Llanfaethlu standing stone is a prominently sited erect monolith. It is a tapering slab, 3.1m high, 1.7m wide and 0.4m thick.
The stone may be a prehistoric ritual monument, possibly Bronze Age, although more recent origins and more prosaic purposes are also possible.

Source: RCAHM Anglesey Inventory (1937), 69

John Wiles 29.08.07