Waun Mawn Standing Stone
Standing stone · Pembrokeshire
Megalith
Bedd Arthur ("Arthur's Grave") is a possibly Neolithic hengiform monument megalithic site in the Preseli Hills in the Welsh county of Pembrokeshire. Thirteen upright stones and at least 2 fallen ones, each around 0.6 metres (2.0 ft) high form an oval horseshoe with similarities to the earliest form of Stonehenge.