Conwy Town Walls
Over 3/4m (1.2km) of town walls, one of the finest and most complete sets in Europe, with twenty-one towers and three gateways. N and W of castle, enclosing much of the town. Along with Harlech Castle, Caernarfon Castle and Beaumaris Castle, this monument has been part of the Castles and Town Walls of Edward 1 World Heritage Site since 1986.