Sgwd y Pannwr
Ystradfellte
Bannau Brycheiniog National Park, Libanus, Brecon BeaconsLakeWild swimming possible
Llyn Cwm Llwch is a natural mountain lake below Pen y Fan where wild swimming is possible.
Follow the footpath from the car park along the stream, then through fields towards Pen y Fan.
51.8876, -3.4517
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