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Baw Noi Hot Springs

Baw Noi, Houaphanh Province, Laos
Baw Noi Hot Springs

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

Location
Baw Noi, 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

Baw Noi Hot Springs is a natural thermal site in Muang Kham district of Xieng Khouang Province, northern Laos, where chloride-rich springs emerge near the small market town of Muang Kham in an area known as one of the most concentrated thermal spring zones in the country. The springs have been developed into bathing facilities serving both local Lao families seeking therapeutic immersion and travellers passing through the Phonsavan and Muang Kham corridor, which connects the Plain of Jars to the Vietnamese border. The chloride mineral composition of the water, warming and saline, provides effective balneological treatment for joint and skin conditions consistent with the humid highland climate of Xieng Khouang's highland valleys.

Insider tip — Baw Noi — meaning small spring in Lao — is a geothermal site in Houaphanh Province where warm chloride-mineral water seeps through the jungle floor of the upper Mekong tributary highlands. The remote setting near the Vietnamese border keeps the springs little-visited, making them a rewarding destination for travelers exploring this lesser-known corner of Laos beyond the Nam Ou river corridor. Local villagers use the waters for bathing, lending the site an authentic, unpackaged character.
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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.