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.
Boiling River Hot Springs, Montana
Boiling River Hot Springs keeps things raw in Montana, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather…
Boiling River Hot Springs, Montana →
Boiling River Hot Springs Yellowstone, Wyoming
For a wilder soak in Wyoming, USA, Boiling River Hot Springs Yellowstone delivers: natural pools, open surroundings and far fewer people. Respect…
Boiling River Hot Springs Yellowstone, Wyoming →
Bonneville Hot Springs Idaho, United States
For a wilder soak in Idaho, USA, Bonneville Hot Springs Idaho delivers: natural pools, open surroundings and far fewer people. Respect the…
Bonneville Hot Springs Idaho →
Bonneville Hot Springs Resort Spa, Washington
Bonneville Hot Springs Resort Spa brings hot spring bathing in Washington, USA up to full resort standard. Book ahead in peak season,…
Bonneville Hot Springs Resort Spa, Washington →
Borax Hot Springs, Oregon
Borax Hot Springs is a natural hot spring in Oregon, USA. Getting there can be half the adventure — bring water, pack…
Borax Hot Springs, Oregon →
Boulder Hot Springs, Montana
Boulder Hot Springs keeps things raw in Montana, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather and…
Boulder Hot Springs, Montana →
Bowers Mansion Hot Springs, Nevada
Bowers Mansion Hot Springs keeps things raw in Nevada, USA — geothermal water, minimal development, maximum atmosphere. Conditions can change with weather…
Bowers Mansion Hot Springs, Nevada →
Box Canyon Lodge, Colorado
Box Canyon Lodge is a developed hot spring resort in Colorado, USA, with maintained pools and full visitor facilities. Expect comfortable changing…
Box Canyon Lodge, Colorado →
Boy Scout Hot Springs, Arizona
Boy Scout Hot Springs is a natural hot spring in Arizona, USA. Getting there can be half the adventure — bring water,…
Boy Scout Hot Springs, Arizona →
Bozeman Hot Springs, Montana
For a wilder soak in Montana, USA, Bozeman Hot Springs delivers: natural pools, open surroundings and far fewer people. Respect the spot,…
Bozeman 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.
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.


