Llyn y Fan Fach Llyn y Fan Fach Llyn y Fan Fach (Welsh meaning "Lake of the small hill") is a lake of approximately 10 hectares on the northern margin of the Black Mountain in Carmarthenshire, South Wales and lying within the Brecon Beacons National Park. The lake lies at an altitude of approximately , immediately to the north of the ridge of the Carmarthen Fans. It is the smaller of two lakes within this mountain massif: the slightly larger Llyn y Fan Fawr is about to the east. The lake is overlooked by several prominent mountain peaks, especially Picws Du and Waun Lefrith.
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