Senbutsu-shōnyūdō

Senbutsu-shōnyūdō is a limestone cave in Fukuoka Prefecture featuring an underground river and around 30 distinct rock formations that can be viewed along illuminated pathways. The main section stretches approximately 900 meters through the cave system.

The cave began forming tens of millions of years ago during the dinosaur era when water erosion carved through limestone deposits. This slow geological process shaped the Hiraodai karst landscape over vast stretches of time.

The entrance features a small shrine and statues that reflect how Japanese visitors connect spiritual practices with natural spaces. You can observe how sacred elements are woven into the exploration of the cave.

You will walk through ankle-deep water at around 16 degrees Celsius, and rental sandals are available for the journey. A full tour of the illuminated section typically takes about one hour.

Beyond the lit main section, explorers with flashlights can discover three waterfalls in a larger cavern where the cave continues for several more kilometers. This extends far beyond what most casual visitors see.

Location: Fukuoka Prefecture

GPS coordinates: 33.75436,130.90433

Latest update: December 12, 2025 16:42