It is arranged parallel to Nishitonotsuka-kofun Tumulus (length: 234 meters), a huge keyhole-shaped mound, which is a bit older than Higashidonozuka-kofun Tumulus, right on the east side.
少し古い巨大前方後円墳西殿塚古墳（234メートル）のすぐ東側に並列している。