Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
Renze Hot Spring Suao is a celebrated thermal destination in Suao, a port town at the southern tip of Yilan County in northeastern Taiwan, renowned globally for its rare cold carbonate springs. Unlike most hot springs, the bicarbonate-rich waters of Suao emerge at a naturally cool temperature of around 22°C, yet retain exceptionally high levels of dissolved carbon dioxide, creating a distinctive effervescent bathing experience with recognized cardiovascular benefits. Suao's cold spring tradition, dating back over a century, makes Renze an iconic and scientifically fascinating stop on Taiwan's thermal tourism circuit.
Insider tip — Suao in northeastern Yilan County is famous for its rare cold carbonated spring, though the Renze facility harnesses warmer thermal waters from the same geological system. The Suao area sits at the intersection of tectonic plates where the Central Mountain Range meets the Pacific Ocean, producing geologically diverse spring chemistries. The resort overlooks rice paddies and the forested slopes that tumble toward Suao Bay. Arrive by the Suao–Hualien coastal train for dramatic cliff-edge views before your soak.
