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-Gwryd was developing in North Wales. In May 1898 "The Climbers Club" originated at Pen-y-Gwryd, as it is recorded in its first journal "...its natural birth at Pen-y-Gwryd" and "...its congenial atmosphere... ("The Climbers Club") first struck its roots". The "Climbers Club" is now based at "Helyg" on the A5 between Capel Curig and Ogwen Cottage. In 1870 the "Society of Welsh Rabbits" (c.1865) was founded with the objective of exploring Snowdonia in winter (and as close to Christmas as possible). Ann Owen said in 1895 that the society had written an article "praising Pen-y-Gwryd as an excellent resort at Christmas".