Puning Hot Spring
- Location
- Pampanga, Philippines
- Water type
- calcium-rich
- Temperature
- 35 °C
- pH
- 5.5
Water profile
Soothing — neither hot nor cold, perfect balance.
Loaded with major ions — the essential minerals (Ca, Mg).
Soft water — natural, classic buoyancy.
Nestled in the volcanic heartland of Pampanga province in central Luzon, Puning Hot Spring emerges from the slopes of Mount Pinatubo, one of the world's most storied volcanoes. The setting is raw and elemental — ash-grey lahar fields give way to jungle ravines, and the spring itself feels less like a bathing site than a geological revelation.
The water surfaces at a gentle 35 °C, a warmth that soothes without overwhelm, carrying a notable calcium-rich mineral profile. With a mildly acidic pH of 5.5, the water has a soft, slightly astringent quality on the skin. Visitors traditionally soak in pools carved into the lahar landscape while guides narrate the 1991 eruption's dramatic legacy, turning each visit into both a natural bath and a living lesson in volcanic geology.