Located in the Mammoth Hot Springs area of Yellowstone National Park, the Boiling River Hot Springs is a lesser known locale for swimming situated near the park’s North Entrance. Visitors can follow the large steam clouds to where the hot springs meet the cold Gardner River to find a spot boasting the perfect temperature for a relaxing soak. In addition to soaking in the waters of this natural hydrothermal phenomenon, visitors can also stroll along the boardwalks to explore the Mammoth area’s geothermal terrace system that discharges around five hundred gallons of steamy, hot water every minute.

Yellowstone National Park, WY 82190, Phone: 307-344-7381

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