It's morphologically characterized by having a square platform (square 35 meters on a side and 2.6 meters high) at the top of the back circular part, and there is also the same shape (22 meters on a side and 2.2 meters high) but a little smaller platform was made at the front square part.
形態的特徴として後円部の墳頂に方形壇（一辺35メートル、高さ2.6メートルの正方形）が造られ、前方部にも同じ形（一辺22メートル、高さ2.2メートル）でやや小さい壇が営まれているという点がある。