★ World Heritage Sakai-ku, Sakai, Osaka Scallop-shaped mound

Osamezuka Kofun

LocationSakai-ku, Sakai, Osaka
ShapeScallop-shaped mound
Mound length59 m
PeriodEarly–mid 5th c.
DesignationNational Historic Site
World HeritageMozu-Furuichi Kofun Group (UNESCO)

Overview

A scallop-shaped mound near the south-east corner of Daisen Kofun's front section. Its length is given as 59m by the World Heritage site, 58m when reconstructed by the Agency for Cultural Affairs, and 59m by Sakai City; the rear circle is 4.2m high. The World Heritage site dates it to the first half of the 5th century and Sakai City to the middle of that century. Built with its axis parallel to Daisen's outer moat and its front section facing west, its position and orientation suggest a connection with the great mound. The rear circular section was built in two tiers. It forms part of the National Historic Site Mozu Kofun Group and became a constituent monument of the Mozu-Furuichi Kofun Group World Heritage Site in 2019.

Finds & research

Small cylindrical haniwa were set along the terrace of the rear circle, and fukiishi were confirmed on the front section; the moat has yielded cylindrical haniwa and Sue ware. Grave goods are unknown, but fragments of an iron cuirass are recorded as having been scattered on the summit. The moat is now buried, with its trace marked along the road on the east side.

Official status & archaeological view

Official status
One mound within the nationally designated Historic Site "Mozu Kofun Group"; its rear circle is managed by Sakai City as a Historic Site. It became a UNESCO World Heritage constituent monument in 2019.
Archaeological view
The World Heritage site dates it to the first half of the 5th century, Sakai City to the middle of that century, and the Agency for Cultural Affairs to the middle of the Middle Kofun period. Its geographic proximity to Daisen suggests a satellite relationship.

Field notes

The official World Heritage site gives a 1-minute walk from JR Mozu Station (Hanwa Line).

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

堺市 古墳データベース「収塚古墳」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)堺市 史跡百舌鳥古墳群「収塚古墳」

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