Torazuka Kofun

The Torazuka Kofun has a keyhole-shaped structure measuring 56.5 meters in length with a circular rear section of 32.5 meters in diameter.

Built in the early 7th century, this burial mound contains a stone chamber where archaeologists discovered remains of an adult male with lacquered swords and iron artifacts.

The chamber walls feature geometric patterns and drawings of weapons made with red pigments applied over a white clay foundation using precise mathematical techniques.

The site opens to visitors twice per year during spring and autumn, with access through a 20-minute walk from Nakane Station on the Hitachinaka Seaside Railway.

The burial chamber maintains specific environmental conditions with an average temperature of 15 degrees Celsius and 90 percent humidity for preservation purposes.

Location: Nakane

Architectural style: keyhole-shaped kofun

GPS coordinates: 36.37338,140.56987

Latest update: May 11, 2025 12:08