Shonai-cho Gallery Onsen, called Machiyu, is located in Shonai, Yamagata prefecture. Thermal water flows here at 40°C, shared between an indoor bath and a rotenburo, complemented by a sauna.
Insider tip — Shonai-cho Gallery Onsen Machiyu is a community bathhouse in the rice-farming Shonai plains of Yamagata Prefecture on the Sea of Japan coast. The straightforward thermal waters are mild and soothing, favored by farmers and artisans who use this gallery-bathhouse hybrid as a cultural gathering point. Local art exhibitions line the entrance corridor, blending bathing culture with regional craftsmanship. A uniquely Japanese fusion of wellness and community life.