Cymer Abbey is a ruined Cistercian abbey near the village of Llanelltyd, just north of Dolgellau, Gwynedd, in north-west Wales, United Kingdom.
Wikipedia https://en.wikipedia.org/wiki/Cymer_Abbey
Address (Unnamed Road), LL40 2, United Kingdom
Coordinates 52°45'28.91" N -3°53'47.065" E