Haniwa in the shape of a broad-rimmed vase, cylindrical Haniwa, elliptical cylindrical Haniwa, earthenware, and so on, were excavated at the edge of the trapezoid on the west side of the front square part.
前方部西側の台形張り出し部から朝顔型埴輪・円筒埴輪・楕円形円筒埴輪や土器などが出土している。