Göldağı is a village in Ayancık District, in Sinop Province, Türkiye. Göldağı lies at 753 m above sea level, in the Küre mountains. It has 148 inhabitants. The nearest city is Sinop, 39 km to the northeast. Beaches nearby: Harzana (11 km), Ali Köyü (13 km). Among the landmarks around are Erfelek Dam (3.5 km). Among the natural features are Tatlıca Waterfalls (3.1 km).