Wisconsin has no naturally occurring hot springs. The state's Precambrian and Paleozoic bedrock, thickly covered by Pleistocene glacial drift and lacking recent volcanism or active fault-hosted thermal circulation, produces no natural hot water at the surface. A handful of 19th-century mineral spa resorts operated at Waukesha ("Spring City"), Sheboygan, and other locations, tapping cool artesian mineral water rather than geothermal water; none operate as soaking facilities today. Travelers searching for hot springs in Wisconsin, hot springs near Milwaukee, or hot springs near Madison will find no in-state options. The closest true hot springs are Hot Springs National Park, Arkansas (approximately 10 hours by car) and Hot Springs, South Dakota (Evans Plunge, warm mineral pool at ~87°F, approximately 10 hours by car). A number of Wisconsin resorts (notably in the Wisconsin Dells) offer heated mineral and Nordic-style pools though these are not naturally geothermal. Reviewed and updated June 2026. See our Midwest regional map for the nearest genuine hot springs.