Fan y Big Fan y Big Fan y Bîg ( is a subsidiary summit of Waun Rydd in the Brecon Beacons National Park, in southern Powys, Wales. It is high and is often hiked as part of the Horseshoe Walk, a traverse of the four main peaks in the Brecon Beacons. At , Fan y Bîg lies at the western tip of the Gwaun Cerrig Llwydion plateau. Its name translates as 'Point of the Peak' - perhaps in allusion to its striking pointed shape, as seen from some directions. The summit is smooth and grassy, but marked by a cairn, which stands on
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