Llyn y Fan Fawr outflow is to the River Tawe. Much of the land around the lake is peaty and thus wet underfoot. 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.
Pen-y-Lan Hall Pen-y-Lan Hall Pen-y-Lan Hall is a Grade II-listed Tudor-Gothic Revival country house located near the village of Ruabon in Wrexham County Borough, Wales. The building may have been built in the late seventeenth century, but was remodelled in the mid-nineteenth. The house is said to date from around 1690, but it was remodelled in 1830. It was purchased in 1854 by Thomas Hardcastle of the cotton manufacturing firm of Ormrod and Hardcastle. It was enlarged and altered later in the century, although most of these additions were demolished during the 1950s. The Ormrod family have owned Pen-y-Lan Hall since the