Osaka Pref. Keyhole-shaped mound

Shinobugaoka Kofun

Also known as: Shinobugaoka
LocationOsaka Pref.
ShapeKeyhole-shaped mound
Mound length87 m
PeriodMid-4th century
DesignationPrefectural Historic Site

Overview

A representative Early Kofun-period keyhole mound of northern Kawachi. It stands within Shinobugaoka Shrine, where the pit chamber can be viewed through its protective shelter.

Finds & research

The 1935 investigation identified jasper arm ornaments, iron weapons, helmet fragments, and other objects.

Two views on the occupant

Archaeological view
An approximately 87m-long keyhole mound with a rear diameter of about 45m at Okayama 2, Shijonawate. It dates to the mid-4th century. Kyoto University investigated its previously looted pit chamber in 1935, identifying jasper arm ornaments, iron weapons, and helmet fragments. The occupant is unknown.
Imperial Household Agency view
This is not an Imperial Household Agency mausoleum. It is an Osaka Prefecture-designated Historic Site, with its pit-style chamber preserved under a shelter beside Shinobugaoka Shrine.

Field notes

About a five-minute walk from JR Shinobugaoka Station. View the chamber from its shelter and follow shrine and site guidance.

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Sources

四條畷市 忍岡古墳四條畷市 忍岡古墳の築造時期

Related kofun

Daisen Kofun (525m) Kamiishizu Misanzai Kofun (365m) Haze Nisanzai Kofun (300m) Gobyoyama Kofun (203m) Tadeiyama Kofun (148m) Itasuke Kofun (146m)
← Futagozuka Kofun Katano Higashi Kurumazuka Kofun →