Ōfune Site
One of Japan’s most extensive Jōmon archaeological complexes, the Ōfune Site preserves millennia of coastal settlement through vast shell middens and residential remains on Hokkaido’s southern coast.
At a glance
The Ōfune Site encompasses vast shell middens and settlement remains spanning the Jōmon period, Japan’s longest prehistoric era. Located in Hakodate on Hokkaido, it documents sustained maritime adaptation and resource exploitation across centuries.
History
The site’s shell middens accumulated over generations of Jōmon inhabitants who harvested marine resources from the surrounding waters. These deposits preserve evidence of diet, seasonal occupation patterns, and technological practices. The adjacent settlement area reveals how these communities organized their living spaces in response to coastal abundance.
What you see
Visitors encounter substantial stratigraphic layers of accumulated shells—the physical remains of countless meals. Settlement features visible in excavation areas include post holes, hearths, and artifact scatters that map ancient domestic life. The sheer scale of the middens testifies to the site’s long occupation and the marine economy that sustained it.
Cultural significance
The Ōfune Site ranks among Japan’s premier sources for understanding Jōmon society. Its massive shell middens provide unparalleled insight into subsistence strategies, seasonality, and environmental adaptation during this hunter-gatherer era. The preservation of both refuse deposits and living areas allows archaeologists to reconstruct daily routines and social organization in prehistoric Hokkaido.
Key facts
- Country: Japan
- City: Hakodate, Oshima Subprefecture, Hokkaido
- Coordinates: 41.958°N, 140.925°E
- Period: Jōmon
- Protected status: Japanese Historic Site (designated 13 August 2001)
- Site area: 71.832 square kilometers
Practical information & getting there
The site is protected as a Historic Site by Japan’s central government. Access and visiting arrangements should be confirmed with local authorities in Hakodate before planning a visit.
Sources & resources
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