Masuda-no-Iwafune

Masuda-no-Iwafune

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Masuda-no-Iwafune is a large stone monument located in Asuka, Nara Prefecture, Japan. This megalith measures approximately 11 meters in length, 8 meters in width, and 4.7 meters in height. Its purpose remains uncertain, with theories suggesting it was a tomb or an astronomical observatory.

More about Masuda-no-Iwafune

The Masuda-no-Iwafune is carved from a single granite rock and is notable for its flat top and deep grooves, whose origins date back to the Asuka period (592-710 AD). It is situated near the Asuka Historical Museum and accessible via local roads. The monument is part of a region rich in archaeological significance, offering insights into early Japanese civilization.