This tomb mound is estimated as follows: It was approximately 175 m long; the round part was approximately 110 m in diameter, 20 m in height; the rectangular part was approximately 80 m long, and approximately 10 m in height.
墳丘は全長約175メートル、後円部は直径約110m高さ20m、前方部は長さ約80m高さ約10mと推定されている。