★ World Heritage Fujiidera, Osaka Square mound

Joganjiyama Kofun

LocationFujiidera, Osaka
ShapeSquare mound
Mound side length67 m
PeriodMid-5th c.
DesignationNational Historic Site
World HeritageMozu-Furuichi Kofun Group (UNESCO)

Overview

A square mound 67m on a side and 9.7m high, built against the outer embankment west of the front section of Hakayama Kofun. It has two tiers, and its north-south axis runs almost parallel to Hakayama's outer embankment. From its placement and orientation, it is thought to be related to Hakayama. The surrounding moat is preserved underground. Fujiidera City dates it to the middle of the 5th century and the Agency for Cultural Affairs to the middle phase of the Middle Kofun period, while the official World Heritage site gives the first half of the 5th century. It is part of the National Historic Site Furuichi Kofun Group and a constituent monument of the Mozu-Furuichi Kofun Group World Heritage Site, inscribed in 2019.

Finds & research

The surrounding moat is preserved underground. Excavations outside the designated area have exposed the mound, moat and outer bank and yielded cylindrical and figural haniwa; a 1986 investigation showed that the mound slope and the inner slope of the outer bank were faced with two layers of fukiishi stones. The burial facility and grave goods are not known from published sources.

Official status & archaeological view

Official status
Administered as a national historic site by Fujiidera City and private landowners. Added to the National Historic Site Furuichi Kofun Group in 2016.
Archaeological view
Occupant unknown; dated to the middle phase of the Middle Kofun period.

Field notes

The official World Heritage site gives about a 14-minute walk northwest from Kintetsu Furuichi Station (Minami-Osaka Line).

World Heritage guide featuring this kofunMozu-Furuichi World Heritage Kofun A Visitor's Guide to the 49 Tombs →
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Sources

百舌鳥・古市古墳群 世界遺産公式サイト文化庁 文化遺産オンライン(世界遺産構成資産解説)藤井寺市「浄元寺山古墳」(5世紀中葉)文化庁 世界遺産推薦書 第4章(246頁・保全状況)藤井寺市・羽曳野市教育委員会 史跡古市古墳群保存活用計画(2023年)

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