Relaxing — deep, immediate muscle release.
Rich in trace elements — gentle on the skin.
Soft water — natural, classic buoyancy.
Mayu Onsen takes its evocative name from mayu, meaning cocoon, the silky protective casing spun by silkworm larvae that has been central to Japanese textile culture for more than two thousand years and whose smooth, enveloping quality perfectly describes the sensation of bathing in simple-type thermal water that wraps warmly around the body in a way that recalls the silkworm's self-created world of warmth and transformation. Located in Japan's geothermal landscape, this simple thermal spring offers the gentle, accessible mineral water that has made simple-type onsen the backbone of Japan's community bathing culture, appreciated for the meditative ease and universally body-friendly quality of naturally heated water with a light mineral profile. Mayu Onsen invites visitors to experience thermal bathing as a process of natural transformation — like the cocoon's metamorphic warmth — where immersion in the earth's gently heated water creates the conditions for physical and mental renewal in a setting where the poetic imagery of the spring's name deepens the contemplative dimension of the bathing experience.