★ World Heritage Fujiidera, Osaka Square mound

Higashiyama Kofun

LocationFujiidera, Osaka
ShapeSquare mound
Mound side57 m
PeriodEarly 5th c.
DesignationNational Historic Site
World HeritageMozu-Furuichi Kofun Group (UNESCO)

Overview

A square mound adjoining the outer embankment west of Konda Gobyoyama Kofun, the Emperor Ojin mausoleum, with its axis parallel to the embankment. It measures 54m north-south by 57m east-west, stands 7m high and has two tiers. Ariyama Kofun once stood immediately to the north on the same axis, and the two shared the northern part of the moat. The moat is preserved underground. It is dated to the middle phase of the Middle Kofun period. Part of the National Historic Site Furuichi Kofun Group, it is a constituent monument of the Mozu-Furuichi Kofun Group World Heritage Site, inscribed in 2019.

Finds & research

Excavation recovered cylindrical haniwa set edge to edge along the first terrace. A moat rings the mound; its northern arm was once shared with the neighbouring Ariyama Kofun (a 45m square mound, no longer extant). The moat is preserved underground. The burial facility has not been confirmed, but since a cache at Ariyama held more than 2,700 iron objects, Higashiyama may contain something comparable.

Official status & archaeological view

Official status
One of the mounds of the National Historic Site Furuichi Kofun Group. The designated land is owned by Fujiidera City and a corporation, and most of the mound is privately owned. World Heritage constituent monument.
Archaeological view
Occupant unknown; dated to the middle of the Middle Kofun period (first half of the 5th century). The official World Heritage website and the Agency for Cultural Affairs' component description give 54m north-south by 57m east-west, while the 2014 explanation for its addition to the National Historic Site (Agency for Cultural Affairs database) estimates 50m on a side and 7m high, and Fujiidera City's second development plan (2025) also lists 50m.

Field notes

The official World Heritage site gives about a 16-minute walk north 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「東山古墳」藤井寺市・羽曳野市教育委員会 史跡古市古墳群整備基本計画(第2次)文化庁 国指定文化財等データベース 古市古墳群

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