Pen-y-crug Pen-y-crug Pen-y-crug is a hill in the Brecon Beacons National Park in the county of Powys, south Wales. It is commonly referred to locally as simply 'The Crug' ("pronounced cree-g"). The Welsh name signifies 'top of the mound'. It slopes are moderately gently on three sides; only to the west do they steepen somewhat. Its flat trig point adorned summit at 331m overlooks the valley of the River Usk to the south. To the southeast are panoramic views over Brecon whilst eastwards are the Black Mountains and south the Brecon Beacons. The hill is formed from sandstones and mudstones of
Pen y Bryn now stands, some 185 metres from the church and the Mŵd in the centre of the village. A high-status structure, associated with 13th and 14th century material and thought to be the royal llys with its domestic and administrative buildings, has been found in the valley bottom, on the other side of the river and some 185 metres from Pen y Bryn. It is by the mound known as y Mŵd, near which in 1811 visible remains were locally supposed to be the palace of the Welsh Princes. Pen y Bryn Pen y Bryn is a two-storey manor house, in