Puchuldiza Hot Springs
Located 240 km from Iquique, here you will find thermal pools with a temperature of up to 85°C. There are also many steam vents in the area, and you can see the geysers which they form. In winter, the cold freezes the vaporized water to form ice which is molded by the wind into forms which can be between ten and fifteen meters high.
There are individual, mud and steam baths, or you can enjoy the natural pools. Nearby are the ruins of old sulfur works.