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Sakafune-ishi is one of the most enigmatic megalithic stones in Japan and the Asuka district. The stone’s purpose of it is completely unknown, the name means “Wine-Ship-Stone” and it also contains a mystery.
‘Sakafune-ishi’ remains are found around the hill located in the west of ‘Asuka-itabuki-no-miya’, where the ancient Imperial Palace of the Emperor Kogyoku once stood in the 7th century. The granite stone size is 5.5m long, 2.3m wide and 1.0m thick, that is situated at the hilltop.