Kasungai, Batu Sopang, Paser Regency, East Kalimantan 76252, Indonesia
Skull Hill is an archaeological site hill located at Tampi Tampi Road, about 10 kilometres south of Semporna town. The hill is a volcanic rock-shelter site and a part of volcano mouth of 2 kilometres in diameter. It is surrounded by numerous isolated hills and mountains with most representing the sites of extinct volcanoes ranging from Pliocene to Quaternary in age. It is now one of the tourist attractions in Indonesia.
Location of Gua Tengkorak