Tengchong Rehai Hot Sea
腾冲热海
- Outdoor pools
- Wellness
- Hotel
- Restaurant
- Source temperature
- 96 °C
Where these facts come from
- Water facts read from chinaspa.cn
- Operator's site checked Oct 5, 2026 and answering
Volcanic geothermal 5A scenic area near Tengchong with the boiling Big Boiling Pot geyser and open-air hot-spring bathing pools.
About
Tengchong Rehai ("Sea of Heat") is a volcanic geothermal scenic area about 20 km southwest of Tengchong city in Yunnan, China. Rated a national 5A attraction, it sits in one of China's three major geothermal zones and spans roughly 9 square kilometres with more than 80 hot-spring and gas-spring groups, over ten of which exceed 90°C.
Volcanic geothermal water
The area is fed by high-temperature volcanic geothermal water. Its centrepiece, the octagonal Big Boiling Pot (大滞锅), is about 6.12 m across and 1.5 m deep, with a surface temperature of 96.6°C; one vent jets water some 30 cm above the surface at up to 102°C.
Hot-spring bathing pools
- Meinu Pool (美女池) – also called the "Immortal's Bathhouse," fed by naturally cooled mineral water at about 45°C.
- Bath Valley (浴谷) – a hillside spa complex of about 10,530 m² with 22 soaking pools, 8 private bathhouses and two natural geothermal steam areas.
Scenic geysers & resort
Beyond the Big Boiling Pot, visitors walk among fumaroles, boiling springs, fountains and hydrothermal features. The scenic area includes a hot-spring resort hotel, dining and thermal wellness programmes.
Water
Facilities
Only facilities that are recorded are listed. An absent entry means nobody has recorded it, not that it is missing.
Location
Tengchong, Yunnan
Location data © OpenStreetMap contributors, ODbL.