Loaded with major ions — the essential minerals (Ca, Mg).
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
BicarbonatesSodiumCalcium
Don Tin 2 is the second geothermal spring in the Don Tin cluster of Thailand, distinguished from its neighbors by its bicarbonate-rich mineral composition, which gives the water a slightly alkaline character traditionally associated with skin comfort when bathed in. The bicarbonate content of Don Tin 2's spring water reflects the distinct mineralization pathways of different springs within the same geothermal field, where variations in the rock types through which the water passes produce different mineral profiles at the surface. Local communities in the Don Tin area have historically valued the different springs in the cluster for their varying mineral character, using each within a long tradition of natural spring water bathing.
Insider tip — Don Tin 2 is a bicarbonate spring near the Don Tin thermal cluster in Trang province, one of southern Thailand's lesser-known geothermal zones. The mild 38°C water has a soft, slightly alkaline feel that soothes tired muscles without the sharp sulfur odor of nearby springs. The site sits among rubber plantations and offers a tranquil countryside setting. Visit alongside Don Tin 3 for a relaxed half-day thermal circuit.