- Bathing
- Outdoor
- Accommodation
- Hotel on site
Rehai — the Hot Sea — is a geothermal field in the volcanic country of Tengchong, close to the Myanmar border. A stream valley is lined with fumaroles, boiling pools and the celebrated Big Boiling Pot, whose water is far too hot to touch; downstream, the flows are tapped for open-air bathing pools and steam rooms set among subtropical greenery.
Balnevia view
Why visit
Few places let you walk through an active geothermal landscape and then bathe in its run-off, in one of China's youngest volcanic regions.
The water
Thermal water
- Source
- Big Boiling Pot and valley springs
- Mineralisation
- Volcanic sulphate–chloride water
- Character
- Springs in the Rehai valley reach near-boiling temperatures at the surface; cooled run-off supplies the bathing pools.
History
Tengchong sits on a field of dormant volcanoes noted in Chinese records for centuries, and its springs have long been used locally for bathing and steaming food. The valley was developed as a scenic and bathing area in the late twentieth century, with hotels and pool terraces added around the protected geothermal features.
Practical information
Ticketed, with separate charges for the scenic walk and the bathing areas. Barriers around the boiling springs exist for good reason — surface water there approaches boiling point.
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Getting there
About 20 km southwest of Tengchong town in western Yunnan; Tengchong is served by its own airport.
Location
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