suao cold spring
Su'ao Cold Spring. Su'ao Cold Spring (Chinese: èæ¾³å·æ³) is a cold spring located in Su'ao, Yilan County, Taiwan. Su'ao Cold Spring has a spring water temperature of 22 Â°C. It is both bathable and drinkable, and it has a pH of 5.5. According to Japanese researchers, the cold spring contains carbonic ion concentrations of 68ppm, the highest of all springs in Taiwan. Its sodium ion concentrations were 14.3ppm and calcium ion 10.7ppm.