Dairizuka Kofun, Ancient burial mound in Futtsu, Japan
The Dairizuka Kofun spans 144 meters in length and features a distinctive keyhole shape with one square end and one circular end.
Built during the 5th century, this burial site belonged to the ancient Kingdom of Sue and maintained connections with the Yamato court.
The mound contained two stone burial chambers filled with artifacts including swords, bronze mirrors, and gold-bronze metal fittings indicating social status.
Visitors can reach the tumulus by taking a ten-minute walk from Aohori Station on the JR East Uchibō Line in Chiba Prefecture.
Excavations in 1906 revealed a rare Kabura-ya arrowhead crafted from deer bone, now exhibited at the National Museum of Japanese History.
Location: Futamazuka
Inception: 5 century
Architectural style: keyhole-shaped kofun
Part of: Dairizuka Kofun Cluster
GPS coordinates: 35.32594,139.85717
Latest update: March 3, 2025 08:46
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