Rich in active gases or metals — a strong mineral character.
Buoyancy
Standard buoyancy
LowHigh
Soft water — natural, classic buoyancy.
SoufreSulfuresSulfates
In Churin, Lima Region, the Mamawarmi baths draw sulfurous, bicarbonate-rich water at 44°C. Indoor pools, massage and a sauna make this a soothing stop in Peru's well-known thermal valley.
Insider tip — Mamawarmi means 'Mother Woman' in Quechua, reflecting the Andean reverence for these springs near Churin, the self-styled thermal capital of Peru. Churin sits at 2,408 meters in the Huaura River canyon, Lima Region, where the Andes' hydrothermal systems concentrate along the valley. The waters are distinctively sulfurous and bicarbonate-rich, with a slightly acidic pH from volcanic influence, and are claimed to alleviate skin conditions, arthritis, and digestive ailments. The canyon scenery is dramatic, with terraced pre-Inca hillsides and colonial-era churches visible from the pool terrace.