Coetan Arthur[1]dolmen, also known asArthur's Quoit[2] (not to be confused withCarreg Coetan Arthur, near Newport) is the remains of aNeolithicburial chamber (also known as aquoit).[3] It dates from around 3000 BCE. The site, situated on the hillside close toSt Davids Head inPembrokeshire,Wales, is the collapsed chamber of what is presumed to be apassage grave which also has a round barrow. The massive capstone measures approximately 6 m (20 ft) by 2.5 m (8 ft 2 in) and is supported on one side by anorthostat approximately 1.5 m (4 ft 11 in) in height.
The headland is in the care of theNational Trust and the site is ascheduled ancient monument.
51°54′17″N5°18′30″W / 51.9048°N 5.3083°W /51.9048; -5.3083