Limestone cave with illuminated stalactites, a fast-flowing underground river and several clear blue underground lakes, the deepest about 98 metres. Visitors walk through alone on lit paths, with an optional loop of about 270 steep steps or a return the same way.
Highlights
- Dragon blue underground lakes
- Underground river and waterfalls
- Bats living in the cave
Good to know
- About 10°C inside, bring a jacket
- Water drips from ceiling, floors slippery
- Admission 1,100 yen, includes science museum
