It is the largest Kofun here and 3rd largest Kofun in the side of Sea of Japan. It is 145m long and 16m tall. The researchers estimate this Kofun was for the head of this ancient. It has the 3 layers and the grave part was built by stones.
Kofun 4 to 7
It was constructed in Yayoi period before 3rd century.
Haniwa is the earthenware that placed around and in Kofun. This museum displays many relics that found here. You can also study the ancient period of Japan.