Saruishi are four unusual shaped rocks located in the tomb of Kibitsu-hime no Okimi adjacent to the west of Umeyama-kofun Tumulus (Currently designated as the Mausoleum of Emperor Kinmei).
猿石（さるいし）は、梅山古墳（現欽明天皇陵指定）の西に隣接する吉備姫皇女王墓内にある奇石で、全部で4体ある。