Llyn y Fan Fach of the Lady of the lake in Welsh and English. 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
Pen-y-cae, Wrexham Pen-y-cae, Wrexham Pen-y-cae is a village and a local government community, the lowest tier of local government, part of Wrexham County Borough in Wales The population of the community taken at the 2011 census was 3,389. It adjoins the larger village of Rhosllanerchrugog. Pen-y-cae means 'head of the field' or 'end of the field'. It is not an uncommon name, with three other settlements in Wales having the same name - in Powys, Bridgend and Neath Port Talbot. Though often written as one word without hyphens, in its correct form the name is hyphenised due to the definite article 'y'