An ancient tomb which is representative of the Asuka path with the largest stone huts in Japan. Constructed at the start of the 7th century, the embankment of the grave mound was detached at an early stage and giant side-hole type stone huts were exposed. The rewere about 30 exposed stones with an estimated total weight of around 2300t. It was designated as Special Historic Site of Japan in 1952.
- Entry Fee: 250 yen
- Closed: Open all year (excluding cases of special circumstances)
- Open hours: 8：30~17：00