Gökdoğan is a village in Durağan District, in Sinop Province, Türkiye. Gökdoğan lies at 182 m above sea level, in the Küre mountains. It has 157 inhabitants. The nearest city is Boyabat, 30 km to the west. Among the landmarks around are Boyabat Dam (11.9 km), Nerik (32 km) and Dodurga Dam (20 km).