ðə lˈɑːɹdʒɪst nˈætʃɚɹəl lˈeɪk ɪn sˈaʊθ wˈeɪlz ɪz ɬæŋɡˈɔːɹs lˈeɪk lˈɪn sˈɪfædən, wˌɪtʃ ɪz ˈɔːlsoʊ ðə sˈɛkənd lˈɑːɹdʒɪst nˈætʃɚɹəl lˈeɪk.
The largest natural lake in South Wales is Llangorse Lake (Llyn Syfaddan), which is also the second largest natural lake.