01 / Kokadani Kofun (弘化谷古墳)
During work to make a vineyard,a wall painting in a stone chamber was found.

A large round mound about 39 m in diameter. On the back wall of the stone chamber, triangles, circles and double-legged ring motifs are painted in dark red and other colors over a thin red ground, and a quiver is incised in outline. The double-legged ring motif is also seen at Ozuka Kofun (王塚古墳) in Keisen. A replica of the painting is on the ground floor of the kofun museum.
- Round mound, about 39 m in diameter
- National Historic Site (designated 1977)
- A replica of the painting is shown at the kofun museum