01 / Ogido Shell Midden
A shell midden contemporary with the mainland's late Jomon.Its finds were a standard reference for Southern Islands prehistory.
It lies at the foot of a cliff on a hill about 140 m high, north of Ogido hamlet, and its shell layer reaches 1.2 m at the thickest. In 1919 Tokyo Imperial University excavated it, and the pottery found was classed as the Ogido type.
- 1972: national Historic Site
- Shell layer up to 1.2 m thick
- 1919: excavated by Tokyo Imperial University

