Once the sacred capital of ancient Kauai and the birthplace of island royalty, the Wailua River is a beautiful sight to behold. And located off the river, at the base of Mauna Kapu – also known as Forbidden Mountain – is the magical Fern Grotto, known for its ferns that grow upside down from the roof of the grotto.

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Isn’t this place simply magical? Are you ready to take a step back from your hiking excursions and beach-going to check out this Hawaiian hidden gem full of serenity?

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