Kotaki River Jade Gorge in Itoigawa City is a breathtaking spot where the jade raw stones generated 520 million years ago intersect with the clear streams. The entire mountain is formed of limestone, and the valley carved by Myojin Mountain is dotted with durable jade boulders, so beautiful that they are designated as natural monuments. You can enjoy the profound history and mystical power stones of the first jade discovery site in Japan while enjoying nature at the powerful large rock walls and fishing park viewed from the observation deck.
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