Thermopolis, Wyoming/United States
State Bath House, Hot Springs State Park
A free public bathhouse at the foot of one of the world's largest mineral hot springs.
Photo: Charles Willgren, Wikimedia Commons
- Source temperature
- 54°C
- Bathing temperature
- 40°C
- Bathing
- Indoor / Outdoor
- Established
- 1897
Hot Springs State Park in Thermopolis, Wyoming exists because of an 1896 agreement with the Eastern Shoshone and Northern Arapaho, which set aside the Big Spring on the condition that some of its water remain free to all. The State Bath House has honoured that since 1897.
Balnevia view
Why visit
Mineral bathing at no charge, in indoor and outdoor pools fed by a spring that discharges millions of litres a day and has built vast terraces of travertine along the Bighorn River.
Recommendations
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The water
Thermal water
- Source
- Big Spring (Bah gue wana)
- Mineralisation
- Calcium sulphate mineral water
- Character
- One of the largest mineral hot springs on earth by discharge, depositing extensive travertine terraces.
Practical information
Soaking is limited to twenty minutes per session by state rules, with attendants on duty. The park's travertine terraces, swinging bridge and bison herd are all within walking distance.
Location
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