Ikō Site

Ikō Site sits along natural river ridges in a flat wetland area of the Kenaga River, showing how ancient communities settled and farmed the land. The location preserves remains from different periods of human habitation across thousands of years.

Excavations uncovered remains and artifacts spanning about 4000 years, from the late Jomon period through the Kofun period. The findings document how different cultures used and built on this location across centuries.

The site holds ritual objects including clay figures and ceremonial pottery that reflect how people connected spiritual life with the water nearby. These items show religious beliefs that shaped how communities lived along the river.

A museum on the grounds displays excavated items and reconstructed pit dwellings that give a clear picture of ancient life. The site is accessible on foot from nearby public transportation.

Diggers found medieval sutra mounds and a star-shaped helmet from the Meiji period, revealing that people kept returning to this spot across very different historical eras. These discoveries show an unexpected link between religious and military traditions at one location.

Location: Adachi-ku

GPS coordinates: 35.80444,139.78694

Latest update: December 14, 2025 14:40