Kofun are megalithic tombs or tumuli in Northeast Asia. Kofun were mainly constructed in the Japanese archipelago between the middle of the 3rd century to the early 7th century CE.
Daisen Kofun, the largest of all kofun, one of many tumuli in the Mozu kofungun, Sakai, Osaka Prefecture (5th century)
The stone chamber of Ishibutai Kofun, said to be the tomb of Soga no Umako, Asuka, Nara Prefecture (7th century)
Circular groove tomb at Seta Ruins (Kashihara City, Nara Prefecture)
Panoramic view of Hashinaka Kofun in Sakurai, Nara
Ishibutai kofun (石舞台古墳) is a stone kofun or tumulus of the Asuka period in the east of Shimanoshō, Asuka, Nara Prefecture, Japan. The kofun is believed to be the tomb of Soga no Umako. It occupies an area of 27 m2 (291 sq ft), and is the largest known megalithic structure in Japan. The kofun is also known as the Ishibutoya (石太屋) Kofun. It is located 5 km from Tanzan Shrine.
Ishibutai Kofun
Stone entrance of the Ishibutai Kofun
Stairs to Ishibutai Kofun