This pool is located in the hattori ryokuchi park, surrounded by pine forests, and is only open in the summer. there are four pools in the facility: a lazily flowing "current water pool," a shell-shaped shallow "beach pool," a "slide pool" that can be enjoyed for free, and a "kids pool" with a depth of 0 to 0.3m that is safe for small children. there are also food and drink shops and food truck. it's a spot that everyone from children to adults can enjoy, with a resort atmosphere.