Shinmeiyama Kofun, Ancient burial mound in Kyotango, Japan
Shinmeiyama Kofun is an ancient burial mound in Kyotango featuring a distinctive keyhole shape when viewed from above, with square and circular sections forming its design. The structure extends 190 meters in length and sits at the mouth of the Takeno River on the Tango Peninsula.
This burial mound dates from the late 4th to early 5th century and was later topped with a sutra mound during the Heian period. Bronze mirrors discovered within this later addition were designated as Tangible Cultural Properties.
The mound once held white fukiishi stones and haniwa clay figures depicting people rowing boats, reflecting the maritime heritage of the local community. These sculptures reveal what daily life and the relationship with the sea meant to people in this region.
The site is accessible year-round, though the dry season offers the most comfortable visiting conditions with better ground stability. There are no modern pathways across the grounds, so sturdy footwear and weather-appropriate clothing are recommended.
The mound has remained unexcavated since research conducted in 1967, preserving its original form and any hidden structures within. This choice to leave the monument undisturbed sets it apart from many other tombs of this era that have been studied and opened.
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