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The United States holds the largest share of this directory, over 500 springs, from free wilderness pools on Forest Service land to grand desert resorts. No…

📍 509 destinations ♨ Thermal spas & springs 🗺 Map & travel tips

Explore United States's hot springs

The United States holds the largest share of this directory, over 500 springs, from free wilderness pools on Forest Service land to grand desert resorts. No other country mixes raw backcountry soaking and polished spa culture at this scale. The West is the story: the Rockies, Cascades and Basin and Range are one long geothermal seam.

All places (509) Resorts & spas Public pools Natural springs

407 springs found · clear filters

Camas Hot Springs, Montana Camas Hot Springs, Montana For a wilder soak in Montana, USA, Camas Hot Springs delivers: natural pools, open surroundings and far fewer people. Respect the spot,… Camas Hot Springs, Montana → Camp Aqua Hot Springs, Montana Camp Aqua Hot Springs, Montana Camp Aqua Hot Springs keeps things raw in Montana, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather… Camp Aqua Hot Springs, Montana → Camp Hot Wells Texas, United States Camp Hot Wells Texas, United States Camp Hot Wells Texas keeps things raw in Texas, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather… Camp Hot Wells Texas → Carson Hot Springs, Nevada Carson Hot Springs, Nevada Carson Hot Springs is a natural hot spring in Nevada, USA. Getting there can be half the adventure — bring water, pack… Carson Hot Springs, Nevada → Cascade Falls, South Dakota Cascade Falls, South Dakota Cascade Falls is a natural hot spring in South Dakota, USA. Getting there can be half the adventure — bring water, pack… Cascade Falls, South Dakota → Castle Hot Springs, Arizona Castle Hot Springs, Arizona Castle Hot Springs keeps things raw in Arizona, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather and… Castle Hot Springs, Arizona → Challis Hot Springs Idaho, United States Challis Hot Springs Idaho, United States Challis Hot Springs Idaho is a natural hot spring in Idaho, USA. Getting there can be half the adventure — bring water,… Challis Hot Springs Idaho → Charlotte Hot Springs, Colorado Charlotte Hot Springs, Colorado Charlotte Hot Springs keeps things raw in Colorado, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather and… Charlotte Hot Springs, Colorado → Chattanooga Hot Springs Idaho, United States Chattanooga Hot Springs Idaho, United States Chattanooga Hot Springs Idaho is a natural hot spring in Idaho, USA. Getting there can be half the adventure — bring water,… Chattanooga Hot Springs Idaho → Chico Hot Springs, Montana Chico Hot Springs, Montana For a wilder soak in Montana, USA, Chico Hot Springs delivers: natural pools, open surroundings and far fewer people. Respect the spot,… Chico Hot Springs, Montana →

Choose your kind of soak

Whether you're traveling with family, seeking a quiet retreat, or looking for mineral-rich waters, United States has a spring for you.

Resorts & spas Resorts & spas Easy soaks with restaurants, robes and wellness extras. → Public pools Public pools Fun, affordable thermal bathing for all ages. → Natural springs Natural springs Wild pools earned with a hike or a dirt road. →

The United States holds the largest share of this directory, over 500 springs, from free wilderness pools on Forest Service land to grand desert resorts. No other country mixes raw backcountry soaking and polished spa culture at this scale. The West is the story: the Rockies, Cascades and Basin and Range are one long geothermal seam.

How to reach United States's hot springs

Fly into Denver for the Colorado Rockies, Salt Lake City for Utah and Idaho, Reno or Las Vegas for Nevada, and Seattle or Portland for the Cascades. A car is essential, most wild springs are miles from the nearest town, and many need high-clearance or 4WD. Pair spring regions with national parks for the classic American road trip.

Where United States's springs cluster

  • Colorado — Resort towns like Glenwood Springs and Pagosa Springs mixed with free creekside pools along forest roads.
  • Idaho — Dozens of free river-side soaks in national forests, the connoisseur's state for backcountry bathing.
  • Nevada & California — Desert playa-edge pools around the Black Rock Desert and the developed resorts of the Owens Valley.
  • Pacific Northwest — Forest hot springs in Oregon and Washington, from lodge-run pools to clothing-optional creek soaks.

Best time to visit

September–October is prime: stable weather, fall color, warm water against crisp air. Winter brings legendary snow soaks but closes many forest roads. Desert springs are most comfortable October–April.

Good to know

Leave No Trace is the rule at wild pools: pack out everything, no soap in the water, keep noise down. Many backcountry pools are clothing-optional by custom. Always test temperature before entering, undeveloped sources can scald, and download offline maps, because cell service rarely reaches the trailhead.

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