Dumanlı is a village in Dikmen District, in Sinop Province, Türkiye. Dumanlı lies at 452 m above sea level, in the Küre mountains. It has 166 inhabitants. The nearest city is Sinop, 41 km to the north. Beaches nearby: Cayva (14 km), Cayva (14 km). Among the landmarks around are Carussa (15.9 km).