Çukurcaalan is a village in Dikmen District, in Sinop Province, Türkiye. Çukurcaalan lies at 765 m above sea level, in the Küre mountains. It has 67 inhabitants. The nearest city is Boyabat, 33 km to the west. Among the landmarks around are Dodurga Dam (15.5 km) and Carussa (27 km).