Ōmori Katsuyama Site, Stone circle site at Mount Iwaki base, Hirosaki, Japan
The stone circle comprises 77 distinct stone assemblages containing 1,200 stones, arranged in an oval shape measuring 48.5 meters by 39.1 meters.
Discovered in 1959 during construction work, this archaeological site from the Final Jomon period dates back to approximately 1,000 BCE.
The stone arrangements and artifacts, including ritual stone plates, swords, and 250 disc-shaped objects, demonstrate ceremonial practices of Jomon communities.
The site features walking paths from parking areas, while the Susono District Physical Culture Exchange Center displays excavated artifacts with informational exhibits.
During winter solstice, the sun sets directly behind Mount Iwaki summit when viewed from the stone circle, suggesting ancient astronomical significance.
Location: Hirosaki
Part of: Jōmon Prehistoric Sites in Northern Japan
Website: http://city.hirosaki.aomori.jp/gaiyou/bunkazai/kuni/omori_katsuyama
GPS coordinates: 40.60306,140.46389
Latest update: March 14, 2025 19:01
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