Ōnodai Dolmen Cluster

What it is

• A ruin from the Jomon to Yayoi periods.
• Designated as a National Historic Site.
• One of the largest dolmen clusters in Japan.
• Stone coffins were discovered in 1963.

What to see

• 71 dolmens with box-shaped stone coffins.
• Eight stone coffins and one jar coffin tomb.
• Pottery from the late Jomon to early Yayoi periods.
• The cluster spans 250 meters east-west and 200 meters north-south.
• It is divided into four main areas.

Notes written by Japan Gems from facts in Japanese Wikipedia.