A secluded natural hot spring inspired by Balinese-style resort spaces. The alkaline simple hot spring is 100% source-flow with no added water or chlorine, and is cherished as a beauty-enhancing hot spring that is gentle on the skin. After sweating it out in a properly hot dry sauna, you can step into a clear cold plunge bath chilled to 17–18°C by a chiller. An outdoor relaxation area with fully reclining chairs lets you totonou, reaching a state of perfect relaxation while enjoying a resort atmosphere.