Robuta

https://www.setouchi.travel/en/trip-ideas/12877/
Travel down epic hiking trails through Japan's largest limestone park and caves at Akiyoshidai Quasi-National Park.
akiyoshidailimestoneparkcavehiking
https://www.japan.travel/en/spot/1265/
Delve into the rocks to discover ancient stalactites and underground waterfalls.
limestone caveotakitraveljapannational