Podcast: a spring walk to explore the dark history of Llangorse Lake in the Brecon Beacons
Take a walk around a stunning lake in the Brecon Beacons and discover the truth about the strange creature said to lurk in its depths in the BBC Countryfile Magazine podcast
Surrounded by mountains, woods and meadows, Llangorse is Wales' most beautiful natural lake – but do its depths hide a secret? Fergus Collins goes in search of a mystery monster and discovers a watery wildlife paradise thronging with birdsong. But just what is 'Gorsey'?