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-Mount Junction railway station the Welsh Highland Railway and took possession of the line from Traeth Mawr to Pen-y-Mount and, since 2009, WHHR trains have terminated at Pen-y-Mount. It is hoped that in future the WHHR will have running rights over the FR-owned WHR mainline and that the station will become an interchange between the two railways. The two companies, however, are still in discussion over these issues and have yet to reach an agreement. It is intended that Pen-y-Mount Junction will have three platforms, with lines to Beddgelert and both Porthmadog Termini. Pen-y-Mount Junction railway station Pen-y-Mount Junction station is the northern terminus