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-ghent summit. The more direct route that traverses the southern 'nose' of the hill is the route usually taken by those attempting the Yorkshire Three Peaks Challenge, as the walk is usually (but not exclusively) done in an anti-clockwise direction starting and finishing in Horton in Ribblesdale. The other main hillwalking route on the hill heads north from the summit to reach Plover Hill before descending to join Foxup Road, a bridleway at the head of Littondale. Pen-y-ghent is one of the mountains on the Yorkshire Three Peaks route. Pen-y-Ghent is made up of a millstone grit top sat upon a