During early Japanese rule, "Hokutō" () was a village at the entrance of the well-known North Formosa sulfur district. Three Japanese extracting plants in this district produced about of sulfur monthly. The Japanese had already recognized the value of the village as a sanitary resort and constructed a Japanese inn with hot mineral baths provided by the sulfur springs. The hot springs have been developed to include aroma therapy, massage, acupuncture, hydrotherapy, and excellent cuisine which complement the entire spa experience. The mineral waters stream from the numerous geothermal vents that occur naturally in the region and are famous for their health benefits.