Worthwhile if you're in the area or a major history buff. Seems like a frequented site for school trips. Saw many groups of students while there

The present-day Ofune site is about 30m above the coastline. Aomori's Sannai Maruyama site is now above the town too. The coast ９０００ years ago during the Jomon period was as much as 30m higher than today. It was global warming. Good grief.

My first visit was on 2025·R7.7.6. This building explains the Ofune site through panels, dioramas, videos on monitors, and more, and also serves as a stopover and rest area for visitors to the site (free admission). Guides based here also offer “free scheduled explanations” 2 times daily, at 10:00~ and 13:00~. If you come to the meeting point near the administration building, they'll take you along without any registration (even if you miss these times, individual assistance seems possible when available). Beside the administration building, huge numbers of “stone plates” excavated from the site are piled up. The centers of the large stones are worn down, showing they were used in daily life. The guide's explanation was informative, easy to understand, and good 🧐🤔🤗.

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Perhaps because it was so empty, they explained everything carefully to me. I also went to the Jomon Culture Center afterward, but there was no explanation of the indoor exhibits there, so I looked around while reading the panels myself. Hearing an explanation really does leave more of an impression and makes it more enjoyable. The scenery is lovely too and gives you a strange, indescribable feeling.

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Visited on 2024.11.22. Admission to the Ofune site administration building is free. Panel displays present materials about the Ofune site and the Jomon Prehistoric Sites in Hokkaido and Northern Tohoku.

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