Hot poolHidden gem
Thermopolis Hot Springs State Park
Thermopolis, Wyoming
Free state bathhouse next to the world's largest mineral hot spring, with a walkable travertine terrace.
- Cost
- Free
- Booking
- No need to book
- Time to allow
- 2 hours

The state bathhouse offers a free 20-minute soak in a 104°F pool. Paths and a swinging bridge cross the Bighorn River and a terrace of mineral deposits. Private pools nearby charge a fee for a longer visit.
Good to know
- State bathhouse is free, limit 20 minutes
- Walk the terraces and swinging bridge
- Dinosaur museum is in town
- Open
- All year
- Getting there
- Paved, in town
- Vehicles
- Campervans fine
- Dogs
- No dogs
Facilities
- Toilets
The location is approximate. Check the official website before you go.
Data: Roadtrip. Things change: check opening times, prices and rules before you go.
Know what the drive costs
Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and plans the stops.
Rated 4.7 by drivers · 700,000 downloads
