Ayaragigō Site, Archaeological site in Kawanaka, Shimonoseki, Japan.
The Ayaragigō Site is an archaeological excavation on a silica sand plateau east of Hibiki Bay. The location sits about 20 to 30 meters above sea level and spans several hundred square meters.
Archaeological work began in 1898 with the discovery of Yayoi pottery and stone tools. Systematic excavations followed starting in 1956 and led to national historic site designation in 1969.
The settlement shows evidence of early farming through numerous underground storage pits that held grain, rice, and nuts. These storage rooms reveal how people managed and preserved their harvests.
The site is about a 5-minute walk from Kajikuri-Gōdaichi Station and easy to reach by public transport. The location is accessible with good paths, though visitors should be prepared for an open archaeological site.
The settlement was ringed by a large ditch that was quite deep and came to a sharp point at the top. This V-shaped ditch shows how seriously the ancient inhabitants took defending their community.
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