evidence: Pahiyangala caves lies in Yatagampitiya, which is a remote village about 5 km away from Bulathsinhala (40Km along Piliyandala-Horana road), in the Kalutara District. Excavation has proved that these caves were inhabited by prehistoric cave men 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 lies in Yatagampitiya, which is a remote village about 5 km away from Bulathsinhala (40Km along Piliyandala-Horana road), in the Kalutara District. There is a motrable road upto the cave. You can use this road or a flight of stone steps to reach the caves.