Ishibutai Kofun (Shimasho, Asuka-mura, Takaichi-gun, Nara Prefecture: It seems to be the burial mound of SOGA no Umako, a square tumulus with about 50 meters in both length and width; the total length of the horizontal stone chamber is 19.1meters.)
石舞台古墳（奈良県高市郡明日香村島庄、蘇我馬子の墓と推定、一辺約50ｍの方墳、全長19.1mの横穴式石室）