Kagoshima · Kyushu
A roughly 120-metre limestone cave on Yoron's southeastern coast, formed as groundwater slowly dissolved the uplifted coral reef that makes up the island. Inside are coral fossils, terraced 'rice-field' rock formations and named chambers such as the Gate of Happiness and the Snow Terraces; at the entrance you are lent a helmet and torch.
Usual hours — confirm with the official site for holidays + seasonal closures.
Today
10:00–16:00¥1,000Stored weekly hours
Daily 10:00 AM – 4:00 PM
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