Thermopolis, WY
Hellie's Teepee Pools and Spa
Family hot springs retreat inside Hot Springs State Park with three mineral pools (100-105°F indoors, 94-98°F outdoors), four mineral hot tubs, seasonal water slides, a…
Bighorn Basin · Thermopolis, WY
State Bath House (Hot Springs State Park)
Check current ratesday-use admission
1soak styles
Thermopolislocation
Bighorn Basinregion
About these waters
Free public bath house inside Hot Springs State Park, fed by the world's largest mineral hot spring; indoor and outdoor pools cooled to a therapeutic 104°F, set among rainbow travertine terraces above the Big Horn River.
Amenities
✓Free admission
✓Indoor pool
✓Outdoor pool
✓Locker rooms
✓Showers
✓Wheelchair accessible
Good to know
- Listing researched October 2026 — prices and hours change, always confirm with the spring before visiting.
- Hydrate between soaks and limit hot soaks to 15–20 minutes — mineral water dehydrates fast.
- Wild springs run on the honor system: pack out everything, leave the pool cleaner than you found it.
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State Bath House (Hot Springs State Park): FAQs
Do I need to book State Bath House (Hot Springs State Park) in advance?
For day-use admission, popular resorts sell out on weekends — if the official site offers reservations, book ahead. Weekday visits are usually easier as walk-ins.
Are kids welcome at State Bath House (Hot Springs State Park)?
Many developed springs welcome families, but age rules, family hours, and adults-only pools vary by property. Check the official site for the current policy before visiting with children.
How long should I soak at State Bath House (Hot Springs State Park)?
Start with 15–20 minutes, then cool off and hydrate before going back in. Hot mineral water dehydrates you faster than you expect — drink water between soaks and don't push through dizziness.
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