Location: Sinop, Ayancık District
The cave is located in the vicinity of İnaltı Village which is approximately 35 kilometers away from Ayancık District of Sinop. The transportation is via a soil but beautifully scenic road. The distance between İnaltı Village and the cave is nearly 400-450 meters and the steep is severe.
Properties: İnaltı Cave starts with a wide and high entrance end this property continues about 350 - 400 meters. The cave has 3 - 6 meters width ve5-25 meters height and expands as a big tunnel. There are travertine formations and various sized stalagmites at first 350-400 meters. The total length of the cave is 700 meters and the section after 400 meters is covered with water and mud.