Yamacık is a village in Gerze District, in Sinop Province, Türkiye. Yamacık lies at 347 m above sea level, in the Küre mountains. It has 378 inhabitants. The nearest city is Sinop, 33 km to the north. Beaches nearby: Cayva (6 km), Cayva (6.3 km). Among the landmarks around are Carussa (8.1 km) and Gerze Lighthouse (8.0 km).