evidence: Pahiyangala caves lie in Yatagampitiya, which is a remote village about 5 km away from Bulathsinhala (40 km along Piliyandala-Horana road), in the Kalutara District. Excavation has proved that these caves were inhabited by prehistoric cavemen some 37,000 years ago. This cave is supposed to be the largest natural rock in Asia and this is also known to be the most ancient pre-historic human settlement in Asia. [...] Biologically, this cave dweller known as Pahiyangala Manawakaya (Pahiyangala Man) had a short vertebral structure, wide jaw bones, a large palette, and big grinding teeth. [...] Pahiyangala caves lie in Yatagampitiya, which is a remote village about 5 km away from Bulathsinhala (40 along Piliyandala-Horana road), in the Kalutara District. There is a motorable road up to the cave. You can use this road or a flight of stone steps to reach the caves.