Hot springs are natural geothermal features characterized by the emission of groundwater that has been heated underground by the Earth's internal heat. The temperature and chemistry of these springs are determined by the depth of the heat source, the permeability of the overlying rock strata, and the mineral content dissolved in the circulating water. Geothermally heated water can vary greatly in its mineral composition, often containing high concentrations of dissolved silica, sulfur, and various metals, which can precipitate out as the water cools and interacts with the ambient environment. The study of these springs aids in understanding regional hydrothermal systems and the subsurface fluid dynamics of the Earth's crust.