It is a round tumulus with a diameter of approx. 17 meters, and it is pointed out that the sekkaku resembles the one in the Kinai region (the five capital provinces surrounding the ancient capitals of Nara and Kyoto) whose portion to be opened is provided on a side.
直径約17メートルの墳丘をもつ円墳で、畿内の横口式石槨との類似が指摘されている。