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Hot Springs State Park

Thermopolis - Wyoming, United States
Hot Springs State Park
Location
Thermopolis - Wyoming, United States
Water type
bicarbonate
Temperature
54 °C
pH
6.8

Water profile

Thermicity
Sedative
54 °C
LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation
Restorative
LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy
Standard buoyancy
LowHigh

Soft water — natural, classic buoyancy.

carbonateCalciumMagnésiumSodiumSulfate

Hot Springs State Park is a public recreation area in Thermopolis, Wyoming, known for its hot springs, which flow at a constant temperature of 135 °F (57.2 °C). The state park offers free bathing at the State Bath House, where temperatures are moderated to a therapeutic 104 °F (40.0 °C). The petroglyph site at Legend Rock, some 25 miles (40 km) away, is also part of the park. The park is managed by the Wyoming Division of State Parks and Historic Sites.

Insider tip — The public baths are free under a historic clause: one of the rare natural thermal baths genuinely accessible to all.
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Frequently asked questions

How hot is the water?
The water runs quite hot here, around 54 °C — a sedative water that brings immediate muscle release.
What type of water is found here?
This spot features bicarbonate water.
What is the best season to visit?
The most favourable period for this spot is: Toute l'année.