This limestone is said to have been discovered by a hunter as he chased the tanuki back during the end of the Edo period.
With an average temperature of 15°C throughout the year, this maze has a total length of 450 m and a maximum width of 25 m. Countless stalactites, stone pillars and straws (limestone tubes) can be found here.
Venture into the “Fountain of the Lovers” located deep inside and you might live an exciting experience…
A quiet place filled with always-changing features. Come, and gaze upon the underground lake as well as the fantasy world it is part of.