Llyn y Fan Fawr Llyn y Fan Fawr Llyn y Fan Fawr (Welsh: 'lake of the big peak') is a natural lake in the county of Powys, Wales. It lies at the foot of Fan Brycheiniog, the highest peak of the Black Mountain (Welsh"Y Mynydd Du") range within the Brecon Beacons National Park. Created as a result of glacial action, it is one of the largest glacial lakes in southern Wales. The lake is roughly rectangular in shape with its long axis oriented roughly north-south. The surface of Llyn y Fan Fawr lies at about 1815 feet or 605m above sea level. Its primary
Pen y Bryn Pen y Bryn Pen y Bryn is a two-storey manor house, in Abergwyngregyn, Gwynedd, in north-west Wales, adjacent to the A55, five miles east of Bangor, eight miles west of Conwy. It is constructed mainly of broken stone, with roughly dressed quoins and a slate roof. The house is situated within Garth Celyn, a double bank and ditch, overlooking the Menai Strait to Anglesey. A smaller house was immediately adjacent in 1811 when Sir Richard Colt-Hoare recorded it; this was demolished by 1815. The present structure incorporates a four-storey stone tower. The present roof timbers were dated by dendrochronology to