Llyn Cwm Llwch both Pen y Fan and Corn Du and indeed from the spur of Pen Milan to its west. Llyn Cwm Llwch Llyn Cwm Llwch () is a small lake or pool in the Brecon Beacons National Park in Powys, Wales. It is between 1 and 2 acres: much smaller than the two glacial lakes in the west of the Black Mountain (range): Llyn y Fan Fawr and Llyn y Fan Fach. It is of glacial origin, occupying a rock hollow beneath the peaks of Pen y Fan and Corn Du in the central Brecon Beacons. It is drained by the
Pen-y-Mount Junction railway station Pen-y-Mount Junction railway station Pen-y-Mount Junction station is the northern terminus of the Welsh Highland Heritage Railway (WHHR) in Porthmadog, Wales. It opened on 2 August 1980 at which time it consisted of a single platform with a run round loop and was intended to be a temporary terminus. In 1990, a siding was laid into the yard for works trains. After the Festiniog Railway Company gained the authority to rebuild the original Welsh Highland Railway (WHR), it was decided to turn Pen-y-Mount station into a representation of a typical WHR station. In 1996, a replica WHR corrugated iron station