This Barrow was built near the top and center of Inooka Hill in the middle of the Kofun era. This is the typical large round barrow(Today some believe it is a keyhole-shaped) in South-Yamashiro area. It is said that nothing is left because of robbery. It has a diameter of 60 meters and tall of 9 meters. The top of the barrow is a flat area which has a diameter of 20 meters.