Çaltucak is a village in Durağan District, in Sinop Province, Türkiye. Çaltucak lies at 315 m above sea level, in the Küre mountains. It has 84 inhabitants. The nearest city is Vezirköprü, 19.1 km to the southeast. Among the landmarks around are Nerik (12.5 km) and Vezirköprü Dam (15.8 km).