Octagonal Kofun

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Octagonal Kofun (八角墳, hakkaku-fun) are a very rare kind of kofun.

Many Japanese Emperors were buried in them including Empress Kōgyoku in Kengoshizuka Kofun [en], Emperor Tenji in his Mausoleum [ja], and Emperor Jomei in Dannozuka Kofun [ja]

From the end of the 6th century to the beginning of the 7th, the tumuli of the monarchs changed from square hōfun tumuli to octagonal hakkaku-fun tumuli.

List of Octagonal Kofun

• Ise Kofun (Fujioka City) [ja]
• Inari Kofun [ja]
• Oichi No.1 Kofun [ja]
• Kajiyama Kofun [en]
• Kengoshizuka Kofun [en]
• Gobyo Kofun [ja]
• Takei temple ruins [en]
• Dannozuka Kofun [ja]
• Tsukamyojin Kofun [ja]
• Nakaoyama Kofun [en]
• Nakayamasōen Kofun [en]
• King Noguchi Kofun [ja]
• Mitsuya Kofun [ja]
• Yoshida Kofun [en]

References

1. 1 2 "Kengoshizuka Kofun Tumulus, Koshitsuka-gomon Kofun Tumulus". Exploring the Footsteps of the Heroines of Asuka. Retrieved 2023-10-20.
2. 1 2 "Octagonal burial mound said to belong to ancient Japan empress reconstructed in Nara Pref". Mainichi Daily News. 2022-03-04. Retrieved 2023-10-20.
3. ↑ "Gobyōyama Kofun (in Kyōto) [Gobyoyama Kofun 御廟山古墳, Tenji Tennō-ryō Tenji Tennoryo 天智天皇] Passage Grave". The Megalithic Portal and Megalith Map. Retrieved 2023-10-21.
4. ↑ "Dan-no-tsuka Kofun [Dannotsuka Kofun 段ノ塚古墳, Jomei Tennō-ryō Jomei Tennnoryo 舒明天皇] Passage Grave : The Megalithic Portal and Megalith Map". 2023-10-16. Archived from the original on 2023-10-16. Retrieved 2023-10-20.
5. ↑ Niiro 1992, p. 160. sfn error: no target: CITEREFNiiro1992 (help)