

A 900-metre cave, a national Natural Monument since 24 December 1935.
Carved into the limestone of the Hiraodai plateau, the largest cave in the area extends for about 900 metres to the north-east, with inner sections up to 10 metres wide and 15 high. It was designated a national Natural Monument on 24 December 1935 (Showa 10); source: the official website of the municipality of Kitakyushu. The entrance, at about 300 metres above sea level on a steep slope, is marked by some thirty stalactites of various sizes; groundwater continues to erode the rock.
ℹ️ Weekdays 9:00–17:00, Saturdays/Sundays/public holidays 9:00–18:00 (in autumn and winter until sunset); last entry 30 minutes before closing. Tickets: adults ¥1,000–1,100 (secondary sources differ by ¥100, and the municipality's official website does not give the price – flagged, not resolved), junior high ¥600, elementary school ¥500, children aged 4 and over ¥200. Free car park for 100 cars. 20 minutes by car from the Kokura-Minami interchange; by train, Ishihara-machi Station, then 20 minutes by taxi.
Holidays in Japan? Plan them with us.Over 2,000 real places, a day-by-day itinerary.FreeOpen the map →Sources: city.kitakyushu.lg.jp
Nearby
Kawachi Fuji Wisteria Garden13.3 kmphoto by そらみみ (Soramimi) · CC BY-SA 4.0
Kokura Castle14.6 kmphoto by そらみみ (Soramimi) · CC BY-SA 4.0
Tagawa Coal and History Museum15.2 kmphoto by そらみみ (Soramimi) · CC BY-SA 4.0
