About Phu Sang Hot Spring
Phu Sang Hot Spring is a natural warm spring located inside Phu Sang National Park in Phu Sang District, Phayao Province, northern Thailand near the Laos border. It is notable for its clear, odorless water with a moderate temperature of around 33-35°C, allowing comfortable bathing. Surrounded by forested hills, the spring forms shallow pools and a warm stream and maintains a consistent flow year-round.
Visitors guide
Visitors can expect a natural warm spring set in a forested area of Phu Sang National Park. The spring emerges as clear, odorless water at about 33-35°C, flowing into shallow bathing pools and a warm stream surrounded by trees and natural rock. Facilities include open-air pools for soaking, changing areas and seating. The setting is tranquil and shaded, suitable for relaxing, wading and photography within the national park environment.
Key highlights
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Natural warm spring with clear, odorless water at approximately 33-35°C
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Located inside Phu Sang National Park near the Thailand-Laos border
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Shallow pools and warm stream suitable for bathing and wading
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Forested mountain setting with year-round water flow
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One of the few lukewarm springs in Thailand comfortable for extended soaking
Culture & Context
The hot spring is a well-known local natural attraction within Phu Sang National Park and is valued by nearby communities as a recreational and wellness site. It is promoted as part of Phayao's nature tourism and is often visited together with the park's forest and border landscapes.
Route
| By air | Fly to Chiang Rai International Airport, then continue by road to Phu Sang District |
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| By road |