Pen y Fan same noun "ban", in its plural form "bannau", is found in the Welsh name for the Brecon Beacons: "Bannau Brycheiniog". There is no one standard translation of "Pen y Fan", but 'the mountain's peak' or 'the beacon's summit' are both possible translations. Pen y Fan is formed from various units of the Old Red Sandstone which were laid down during the Devonian period. The lower slopes of the mountain are formed from the sandstones and mudstones of the Senni Formation whilst the upper slopes are formed from those of the Brownstones Formation. The very summit, like that of neighbouring Corn
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