lˈɪn tɹˈɔːsfɪnˌɪd ɪz ɐ lˈɑːɹdʒ ˌɑːɹɾɪfˈɪʃəl ɹˈɛzɚvwˌɑːɹ sˈɪtʃuːˌeɪɾᵻd nˌɪɹ ðə vˈɪlɪdʒ ʌv tɹˈɔːsfɪnˌɪd ɪn ɡwˈɪnɛd, nˈɔːɹθ wˈeɪlz.
Llyn Trawsfynydd is a large artificial reservoir situated near the village of Trawsfynydd in Gwynedd, North Wales.