Picws Du
Picws Du is the second highest peak of the Carmarthen Fans ( or , in Welsh "Bannau Sir Gaer" ) in the Carmarthenshire section of the Black Mountain in the west of the Brecon Beacons National Park in south Wales . 
<triplet> Carmarthenshire <subj> Wales <obj> located in the administrative territorial entity <triplet> Brecon Beacons National Park <subj> Carmarthenshire <obj> located in the administrative territorial entity <triplet> Wales <subj> Carmarthenshire <obj> contains administrative territorial entity