Tanabata-ike Kofun

What it is

• A circular kofun, an ancient burial mound.
• Dates to the early Kofun period, 4th century.
• Discovered during housing development in 1973.
• Designated a historic site in 1975, developed as a park in 1977.

What to see

• A circular mound 29 meters in diameter.
• The mound stands 3.7 meters high.
• A 3.5-meter-wide ditch surrounds the mound.
• Vertical stone cist burial chamber, 1.8 meters long.
• Excavated artifacts include a sword and mirror.
• Also found were 3,300 beads and a koto-pillar stone product.

Notes written by Japan Gems from facts in Japanese Wikipedia.