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-groes, Carmarthenshire Pen-y-groes, Carmarthenshire Pen-y-groes is a village in Carmarthenshire, South Wales which developed as a settlement as a result of the anthracite coal trade. The main colliery was the Emlyn colliery, which opened in 1893 and closed in 1939. The village has a primary school. It also has a Rugby Union club, affiliated to the Welsh Rugby Union, and a cricket team which plays in the Carmarthenshire League. The village was well known as the headquarters of the Apostolic Church. The denomination hosted their International Convention in the village every year from 1916-2002. The church moved its main office to Swansea