Iwatoyama Kofun

Yame, Japan

Freely accessible

Public space — no opening hours to check.

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Further readingTripadvisor↗

Iwatoyama Kofun is a keyhole-shaped tumulus (zenpō-kōen-fun) erected around 600 CE in Yame, Fukuoka Prefecture, Japan. Dating to the late kofun period, this monumental burial mound exemplifies the distinctive zenpō-kōen-fun architectural form, which combines a rectangular front section with a circular rear chamber. The site is designated as a Historic Site of Japan, preserving evidence of the region's elite burial practices during the early historical era.