To the east side of the rectangular frontage part, which is also the orientation toward Miwa-yama Mountain, there is Konpira-yama Mountain Tumulus, which is the largest circular-shaped Tumulus in Kinki region with the diameter of the circle in 95m.
少し外れるが、三輪山方向でもあり、前方部東方向には直径95ｍの近畿最大の円墳であるコンピラ山古墳がある。