AONBs are designated to conserve and enhance the natural beauty of the countryside and coastline of Wales and England. As well as fulfilling the social and economic needs of local communities, AONBs help to protect the landscape, geology, flora and fauna.

The Isle of Anglesey AONB was designated in 1966 and is the largest in Wales, covering an area of 21,500 hectares; approximately a third of the island. The Isle of Anglesey AONB is administered by the County Council’s Countryside Service.