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Ban Nyai Hot Springs

Ban Nyai, Houaphanh Province, Laos
Ban Nyai Hot Springs

Illustration photo — not a verified picture of this exact spot.

Location
Ban Nyai, Houaphanh Province, Laos
Water type
sulfurous
Temperature
40 °C
pH
6.5

Water profile

Thermicity
Sedative
40 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Bio-active
LowHigh

Rich in active gases or metals — a strong mineral character.

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

SoufreSulfuresSulfates

Ban Nyai Hot Springs is a natural thermal site in the Xieng Khouang Province of northern Laos, where oligomineral springs emerge in a rural mountain landscape inhabited by diverse ethnic minority communities including Hmong, Khmu, and Tai Phuan peoples who have used the spring waters in traditional healing practices for generations. The springs provide simple, unpretentious bathing facilities in a village setting that allows visitors to experience thermal wellness embedded within the living culture of highland Lao ethnic communities. The surrounding landscape of terraced rice fields, karst limestone hills, and dense montane forest in one of Laos's most biodiverse and culturally heterogeneous provinces creates a context of extraordinary natural and human richness for the thermal spring experience.

Insider tip — Ban Nyai Hot Springs emerge in the forested hills of Houaphanh Province in northeastern Laos, a remote mountainous region known for its ethnic minority communities and the cave network that sheltered the Pathet Lao government during wartime. Sulfurous water at around 40°C surfaces in a jungle setting where the surrounding limestone karst landscape adds to the sense of discovery. The springs are most accessible during the dry season between November and April, when mountain roads are passable and the forest is at its most vibrant.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 40 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features sulfurous water.
What is the best season to visit?
The most favourable period for this spot is: Saison sèche.