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is a city in Fall River County, South Dakota, United States. As of the 2000 census, the city population was 4,129. It is the county seat of Fall River County. Hot Springs also serves as the administrative center of neighboring Shannon County, which does not have its own county seat.
Hot Springs is the warmest place in South Dakota with an annual mean temperature of . Some of the attractions in the Hot Springs area are the Mammoth Site of Hot Springs and Evans Plunge with its naturally warm spring water. The town is a gateway to the attractions of the southern Black Hills, particularly Wind Cave National Park. Hot Springs holds the annual Miss South Dakota pageant.
Hot Springs is also the home of the Department of Veterans Affairs Medical Center (Black Hills Healthcare System - Hot Springs Campus). The center boasts extensive outpatient treatment, acute hospital care and a 100 bed domiciliary that houses a PTSD treatment ward and an alcohol and drug treatment facility.
According to the United States Census Bureau, the city has a total area of , all of it land.
Hot Springs has been assigned the ZIP code 57747 and the FIPS place code 30220.