
Szabolcs Arany (Flickr) / CC BY 2.0
Fukuoka · Kyushu
A 1,200-meter limestone cave beneath the Hiraodai karst plateau, designated a national natural monument, where visitors wade barefoot through an ankle-deep underground river past dramatic stalactites. It is the largest of the roughly 200 caves formed under Hiraodai's dinosaur-era limestone.
Usual hours — confirm with the official site for holidays + seasonal closures.
Today
9:00–18:00Stored weekly hours
Mon–Fri 9:00 AM – 5:00 PM Sat–Sun 9:00 AM – 6:00 PM
How to get there
From Hakata Station · ~1h 12m by car
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