A natural stone bridge crosses over the sea. Daisankyo is a bridge. However, it was not made by the human but is was created spontaneously. A Strong wave of Japan sea erodes a massive stone for many years that became a shape of the bridge over the sea. Excursion boat will take you into the hole made by erosion. You will not know the authentic attractiveness without actually go into there. There is stone with funny, strange shape on a steep slope. Once you experience, Oga will become a more lovely and dreamy place to visit again.
- Oga city, Toga, Kamo Aosa
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