AquaFonte lists 174 verified thermal springs in USA, each with its own page: temperature, minerals, treatments, and directions.
Water types found
Springs
AIRE Ancient Baths New York
New York City, New York · 38°C
A luxury thermal bath experience in a converted 19th-century Manhattan warehouse, offering ancient bathing ritual circuits in pools ranging from 38°C to near-freezing.
Alexander Springs
Altoona, Florida · 21°C
A large, crystal-clear spring in the Ocala National Forest producing 76 million litres of 21°C water daily, popular for swimming, snorkeling, and manatee encounters.
Amagiri
Northern California · 40°C
A Japanese-inspired wellness retreat in Northern California drawing on the contemplative bathing aesthetics of Japanese onsen culture — mineral soaking baths, stillness rituals, and seasonal forest immersion.
Aqua Hot Spring
Pagosa Springs, Colorado · 42°C
A small natural hot spring in the Pagosa Springs area of southwestern Colorado, producing geothermal water around 42°C in a quiet pastoral setting.
Astoria Hot Springs
Jackson Hole, Wyoming · 49°C
A beloved Wyoming hot spring pool along the Snake River near Jackson Hole, reopened as a community aquatic center after years of restoration.
Aura Soma Lava Hot Springs
Lava Hot Springs, Idaho · 43°C
A spa and wellness center in Lava Hot Springs, Idaho, drawing on the town's naturally odorless mineral geothermal water for therapeutic treatments.
Avila Hot Springs
San Luis Obispo, California · 40°C
A geothermal resort in Avila Beach on California's Central Coast, featuring natural mineral pools, a large outdoor swimming pool, and a long history of therapeutic bathing since 1907.
Balmorhea State Park
Toyahvale, Texas · 26°C
A spring-fed swimming complex in the Chihuahuan Desert fed by San Solomon Springs — a massive artesian spring producing 26 million litres of clear 26°C water per day.
Baranof Warm Springs
Baranof Island, Alaska · 38°C
A geothermal spring on the east coast of Baranof Island accessible by boat, with a Forest Service bathhouse and a lovely waterfall setting in the heart of the Tongass National Forest.
Bashford's Hot Mineral Spa
Desert Hot Springs, California · 46°C
A classic Desert Hot Springs mineral spa with outdoor pools fed by the town's famous odorless geothermal aquifer, catering to long-term guests and RV visitors.
Belmont Springs
Fielding, Utah · 30°C
A large natural artesian spring in Box Elder County, Utah, flowing 30°C slightly warm water into a spring-fed swimming complex near the shores of the Great Salt Lake.
Beverly Hot Springs Spa
Los Angeles, California · 37°C
A Korean-style mineral spa in Los Angeles tapping into one of Southern California's only true natural hot springs within a city, producing mildly alkaline water at 37°C.
Big Bend Hot Springs
Big Bend National Park, Texas · 43°C
Remote geothermal springs along the Rio Grande in Big Bend National Park accessible from the river road, with thermal pools perfect for soaking while watching the river flow.
Big Medicine Hot Springs
White Sulphur Springs, Montana · 50°C
A natural hot spring in the Meagher County area of Montana, part of the geothermal network that made White Sulphur Springs a notable health resort destination.
Bishop Creek Hot Springs
Mineral County, Nevada · 44°C
A remote natural hot spring in Mineral County, Nevada, accessible by high-clearance vehicle and a short hike through the Great Basin sagebrush country.
Black Rock Hot Springs
Gerlach, Nevada · 55°C
A natural geothermal spring on the edge of the Black Rock Desert playa in Nevada, producing water that flows directly from volcanic ground into a soakable canyon pool.
Blackstone Hotsprings
New Mexico · 43°C
A boutique lodging and private-bath hot springs house in downtown Truth or Consequences, New Mexico, drawing on the town's historic geothermal aquifer.
Blue Hole Regional Park
Wimberley, Texas · 21°C
A crystal-clear spring-fed swimming hole in the Cypress Creek park in Wimberley, Texas, beloved by locals and visitors for its blue-green spring water and rope swings.
Blue Spring State Park
Orange City, Florida · 22°C
Florida's premier winter manatee refuge — hundreds of manatees shelter here from November to March.
Boiling River Hot Springs
Gardiner, Montana · 71°C
A stunning stretch of the Gardner River near Yellowstone's north entrance where 71°C thermal water mixes with cold river currents to create perfect soaking pools.
Boulder Hot Springs Inn & Spa
Boulder, Montana · 58°C
A grand historic inn in Boulder, Montana, built over natural 58°C geothermal springs with indoor and outdoor pools and therapeutic spa services.
Box Canyon Lodge & Hot Springs
Ouray, Colorado · 43°C
A popular lodge in Ouray, the 'Switzerland of America,' featuring rooftop geothermal pools with panoramic views of the San Juan Mountain box canyon.
Boy Scout Hot Springs
Lovelock, Nevada · 45°C
A primitive natural hot spring near Lovelock in the Humboldt sink of central Nevada, producing 45°C geothermal water in the high desert basin.
Boy Scout Hot Springs
Quartzsite, Arizona · 47°C
A primitive natural hot spring near Quartzsite in the Sonoran Desert of western Arizona, accessible by a short hike from a BLM desert road.
Bozeman Hot Springs
Bozeman, Montana · 42°C
A geothermal aquatic complex west of Bozeman featuring a dozen indoor and outdoor pools ranging from 16°C to 42°C, fed by natural mineral springs.
Bumpass Hell Trail
Lassen Volcanic National Park, California · 92°C
The largest hydrothermal area in Lassen Volcanic National Park, California, a 5-km round-trip trail through boiling mud pots, steam vents, and colorful acidic hot springs.
Burgdorf Hot Springs
Idaho · 46°C
A remote backcountry hot spring in the Salmon River Mountains of central Idaho, accessible only by forest road or winter snowmobile.
Caliente Springs Resort
Desert Hot Springs, California · 45°C
A mineral spring resort community in Desert Hot Springs featuring private thermal pools and a peaceful desert setting at the foot of the San Jacinto Mountains.
Camp Aqua Hot Springs
Malta, Montana · 45°C
A small community hot spring facility near Malta in northern Montana, offering outdoor mineral pools in an area known for its deep artesian aquifers.
Carson Hot Springs Resort & Spa
Washington · 48°C
A historic Columbia River Gorge bathhouse resort built around a natural mineral spring discovered in 1876, still offering old-fashioned unchlorinated mineral soaks.
Cascade Springs
Hot Springs, South Dakota · 18°C
A beautiful cold-water spring in the Black Hills of South Dakota near the town of Hot Springs, where clear artesian water cascades through limestone formations in a natural preserve.
Castle Hot Springs
Morristown, Arizona · 44°C
Arizona's oldest resort, established in 1896, built around natural 44°C geothermal springs in the Bradshaw Mountains north of Phoenix, recently restored to its historic grandeur.
Cedar + Nordic Sauna
Pacific Northwest · 85°C
A Pacific Northwest interpretation of Nordic sauna culture using locally sourced red cedar — a mobile and permanent sauna experience that has helped define the American sauna revival.
Charlotte Hot Springs
Ouray, Colorado · 43°C
A remote backcountry hot spring in the San Juan Mountains accessible by a significant backcountry approach, rewarding hikers with 43°C pools in spectacular alpine terrain.
Chena Hot Springs
Fairbanks, Alaska · 40°C
Natural geothermal springs 60 miles east of Fairbanks in the boreal interior of Alaska, famous for aurora borealis viewing from outdoor pools — one of the best aurora observation sites in North America.
Chief Shakes Hot Springs
Wrangell, Alaska · 46°C
A remarkable hot spring accessible only by boat on the Stikine River from Wrangell, Alaska, where 46°C thermal water flows through old-growth temperate rainforest.
Chinati Hot Springs
Ruidosa, Texas · 42°C
A remote hot spring retreat in the Chinati Mountains of the Big Bend region, Texas, with outdoor soaking pools fed by natural 42°C water from one of the state's most isolated geothermal springs.
Coamo Thermal Springs
Puerto Rico · 42°C
Puerto Rico's historic thermal springs — used by the Taíno people for centuries before Columbus, and home to the oldest thermal resort hotel in the Caribbean, in operation since 1847 on the island's southern coastal plain.
Corwin Hot Springs
Emigrant, Montana · 57°C
A storied hot spring resort in Paradise Valley, Montana, south of Livingston, with 57°C geothermal water that has attracted travelers since the 1880s.
CRE Natural Building
Northern New Mexico / Southwest · 38°C
A natural building school and retreat in northern New Mexico teaching earthen construction and offering wellness programming in hand-built cob, adobe, and clay-plaster environments.
Crowley Hot Spring (Wild Willy's)
Mammoth Lakes, California · 40°C
A beloved free geothermal pool near Crowley Lake in the Owens Valley, California, fed by a natural 40°C spring with views of the Eastern Sierra.
Crystal Hot Springs
Utah · 52°C
One of the most mineral-rich hot springs on Earth, in northern Utah, with a natural 120-134°F spring paired with a cold spring just fifty feet away.
Cypress Springs
Vernon, Florida · 20°C
A pristine first-magnitude spring in the Florida Panhandle near Vernon, producing over 57 million litres of crystal-clear 20°C water daily from the Floridan Aquifer.
Dakota Hot Springs
Poncha Springs, Colorado · 40°C
A natural geothermal spring near Poncha Springs, Colorado, in the Sawatch Range foothills, offering outdoor soaking in clear 40°C mineral water.
De Leon Springs State Park
De Leon Springs, Florida · 22°C
Swim at a spring historically associated with the Fountain of Youth legend, and make your own pancakes at the Old Spanish Sugar Mill.
Delight's Hot Springs Resort
Desert Hot Springs, California · 44°C
A boutique thermal resort in Desert Hot Springs, California, with private geothermal pools and mineral baths fed by the town's famed odorless hot spring aquifer.
Desert Hot Springs Spa Hotel
Desert Hot Springs, California · 45°C
One of Desert Hot Springs' oldest continuously operating spa hotels, with natural mineral pools and a mid-century aesthetic reflecting the town's golden age of thermal tourism.
Devil's Den
Williston, Florida · 22°C
Snorkel and dive in a prehistoric underground spring cave — one of Florida's most dramatic natural features.
Devil's River State Natural Area
Del Rio, Texas · 22°C
One of the most pristine spring-fed river systems in Texas, with crystal-clear 22°C spring-fed water flowing through the Chihuahuan Desert in a remote protected natural area.
Dr. Wilkinson's Backyard Resort & Mineral Springs
Calistoga, California · 42°C
A legendary Calistoga spa institution since 1952, known for its volcanic mud baths, geothermal mineral pools, and the 'works' — a complete therapeutic hot spring treatment package.
Driftwood Sauna Club
Oregon · 85°C
A community-oriented urban sauna in Portland, Oregon, offering wood-fired Finnish-style sauna experiences on the Willamette River — a gathering place at the centre of the Pacific Northwest sauna revival.
Dripping Spring Hot Spring
Hot Springs, Arkansas · 62°C
One of the natural thermal springs that gave Hot Springs, Arkansas its name, now preserved within Hot Springs National Park where 62°C geothermal water seeps from the forested hillside.
Dunton Hot Springs
Dolores County, Colorado · 44°C
A restored 1880s silver mining ghost town deep in the San Juan Mountains of Colorado, converted into a luxury wilderness retreat built around a natural hot spring that once served the miners.
East Lake Hot Springs
Newberry National Volcanic Monument, Oregon · 55°C
Natural geothermal springs along the shore of East Lake in Newberry National Volcanic Monument, Oregon, where hot water seeps through ancient volcanic caldera rock.
El Dorado Hot Springs
Tonopah, Arizona · 46°C
A clothing-optional desert hot spring resort in Tonopah, Arizona, with private and communal soaking tubs fed by natural 46°C geothermal water from the Sonoran Desert floor.
Eldorado Springs Pool
Eldorado Springs, Colorado · 18°C
A historic outdoor pool in Eldorado Canyon fed by a cold natural spring at the foot of dramatic sandstone cliffs, southwest of Boulder, Colorado.
Elkhorn Hot Springs
Polaris, Montana · 40°C
A remote mountain resort near Polaris, Montana, with outdoor geothermal pools set among the Beaverhead Mountains at 2,200 metres elevation.
Elkhorn Hot Springs Lodge
Polaris, Montana · 40°C
A historic lodge in Montana's Beaverhead Mountains with outdoor geothermal pools, offering year-round soaking at high elevation in the Beaverhead-Deerlodge National Forest.
Esalen Institute
Big Sur, California · 40°C
Cliff-edge hot spring pools carved into the coastal bluffs of Big Sur, fed by a natural sulphurous spring that has flowed above the Pacific for thousands of years.
Fanning Springs State Park
Fanning Springs, Florida · 22°C
A first-magnitude spring on the Suwannee River in the Nature Coast of Florida, offering swimming, snorkeling, and kayaking in the crystal-clear 22°C spring water.
Fire Water Lodge
Truth or Consequences, New Mexico · 42°C
A boutique hot spring lodge in the geothermal town of Truth or Consequences, New Mexico, with private outdoor soaking tubs fed by natural spring water.
Firehole River Swimming Area
Yellowstone National Park, Wyoming · 27°C
A unique natural swimming hole in Yellowstone where geothermal runoff warms the Firehole River to a swimable temperature, open only in summer.
Fish Lake Valley Hot Well
Nevada · 49°C
A remote, undeveloped natural hot spring on the Nevada-California border, left as a simple soaking pool in the high desert of Fish Lake Valley.
Fountain of Youth RV Park
Thermopolis, Wyoming · 40°C
An RV park in Thermopolis, Wyoming, built around its own natural hot spring pool fed by waters from Big Spring's famous mineral aquifer.
Fountain of Youth Spa RV Resort
Niland, California · 40°C
A geothermal RV resort near the Salton Sea in the Imperial Valley of California, popular with winter snowbirds who come for the natural hot spring pools and warm desert climate.
Franklin Hot Springs
Sanger, California · 38°C
A small natural geothermal spring in the Sierra Nevada foothills of Fresno County, California, producing warm water in the Millerton Lake area.
Gaviota State Park Hot Springs
Goleta, California · 35°C
A natural warm spring in Gaviota State Park on California's Central Coast, accessible by a 1.5-mile hike through coastal chaparral above the Pacific Ocean.
Gigantic Warm Spring
White Sulphur Springs, Montana · 28°C
A large natural spring near White Sulphur Springs, Montana, producing prodigious volumes of warm water that feeds the Smith River drainage.
Gilchrist Blue Springs State Park
High Springs, Florida · 22°C
A quieter spring park on the Suwannee River with swimming, snorkeling, and tubing.
Ginnie Springs
High Springs, Florida · 22°C
A privately operated spring complex with world-class cave diving, tubing, and snorkeling.
Givens Hot Springs
Marsing, Idaho · 41°C
A historic hot spring resort on the Snake River in Owyhee County, Idaho, continuously operated since 1881, with indoor and outdoor thermal pools.
Glenwood Hot Springs
Colorado · 40.5°C
The world's largest outdoor hot springs pool, fed by the Yampah spring at 40°C, steps from the Amtrak California Zephyr platform.
Goddard Hot Springs
Sitka, Alaska · 53°C
A pair of Forest Service hot spring cabins south of Sitka on Baranof Island's Outer Coast, with 53°C pools and dramatic Pacific Ocean views in an old-growth rainforest setting.
Golden Haven Hot Springs Spa and Resort
Calistoga, California · 42°C
A full-service hot spring spa resort in Calistoga at the top of Napa Valley, famous for volcanic ash mud baths and natural geothermal mineral pools.
Goldmyer Hot Springs
King County, Washington · 48°C
A remote backcountry hot spring in the North Cascades, reached by an 8-mile trail through old-growth forest — including a cave pool where water emerges at 48°C from the base of a basalt cliff.
Granite Hot Springs Pool
Hoback Canyon, Wyoming · 51°C
A remote geothermal pool in the Bridger-Teton National Forest, accessible by an 8-km road through Hoback Canyon, with water emerging at 51°C.
Green Canyon Hot Springs
Newdale, Idaho · 42°C
A family hot spring resort in the Caribou-Targhee National Forest foothills near Newdale, Idaho, with outdoor pools fed by 42°C geothermal water.
Grover Hot Springs State Park
California · 39°C
Alpine hot springs in the Sierra Nevada at 1,800 m with reported pool lifts and accessible restrooms. Verify at parks.ca.gov before visiting.
Hamilton Pool Preserve
Dripping Springs, Texas · 20°C
A stunning natural swimming pool west of Austin, Texas, formed by a collapsed grotto with a 15-metre waterfall cascading into a jade-green pool fed by Hamilton Creek.
Haven Hot Springs
Challis, Idaho · 44°C
A natural geothermal spring near Challis in the Salmon River basin of central Idaho, producing warm 44°C water accessible from BLM public land.
Hellie's Tepee Pools
Thermopolis, Wyoming · 40°C
A family-run outdoor mineral pool facility in Hot Springs State Park featuring tiered tepee-shaped soaking pools filled with natural 40°C mineral water.
Hill Wheatley Plaza Jug Fountain
Hot Springs, Arkansas · 62°C
A public drinking and jug-filling fountain in Hot Springs, Arkansas, providing free access to the city's famous 62°C geothermal spring water in the heart of Bathhouse Row.
Holtville Hot Springs
Holtville, California · 48°C
A primitive hot spring in the Imperial Valley of southern California near the Salton Sea, producing artesian thermal water at 48°C in one of North America's lowest elevation desert zones.
Homestead Crater
Utah · 34°C
A unique 10,000+ year-old geothermal crater inside a 55-foot limestone dome in Midway, Utah, where visitors soak, snorkel and scuba dive in naturally warm mineral water.
Homosassa Springs Wildlife State Park
Homosassa Springs, Florida · 23°C
A first-magnitude spring that is also the centerpiece of a Florida wildlife park, famous for resident manatees that gather year-round in the constant 23°C spring water.
Hot Creek Geologic Site
Mammoth Lakes, California · 80°C
A dramatic geothermal site in the Long Valley Caldera near Mammoth Lakes where boiling hot springs and fumaroles erupt from the floor of Hot Creek, now closed to swimming due to safety concerns.
Hot Springs State Park Bath House
Thermopolis, Wyoming · 54°C
Wyoming's Hot Springs State Park in Thermopolis offers the world's largest mineral hot spring and a free public bath house fed by 54°C waters.
Hot Water Cascade
Hot Springs, Arkansas · 62°C
A natural display spring in Hot Springs National Park where geothermal water at 62°C cascades visibly down a rock face — one of the park's most photographed natural thermal features.
Hutlinana Hot Springs
Manley Hot Springs area, Alaska · 52°C
A remote backcountry hot spring in interior Alaska accessible by a 40-km winter trail from Manley Hot Springs, with primitive soaking pools in an isolated subarctic wilderness.
Ichetucknee Springs State Park
Fort White, Florida · 22°C
Florida's iconic tubing river — a 6-mile float through pristine spring-fed waters.
Indian Hot Springs
Idaho Springs, Colorado · 42°C
A historic hot spring resort in Idaho Springs, Colorado, featuring underground cave baths and outdoor geothermal pools just an hour west of Denver.
Inipi — Lakota Sweat Lodge
Great Plains / Black Hills · 60°C
The inipi — sacred sweat lodge of the Lakota people — is one of the Seven Sacred Rites of the Lakota Nation, practised across the Great Plains for thousands of years in a willow-frame dome covered with hides or blankets.
Inlet Park Hot Springs
Monroe, Utah · 40°C
A small free public hot spring seep in Inlet Park near Monroe, Utah, flowing into a shallow rock pool along the creek bed within the town's recreational area.
Jacumba Hot Springs Resort
Jacumba Hot Springs, California · 40°C
A storied desert resort in the Jacumba Valley near the US-Mexico border, built around natural 40°C hot springs that have attracted health seekers since the 1920s.
Jemez Hot Springs
Jemez Springs, New Mexico · 44°C
A spa facility in the Jemez Mountains of New Mexico drawing geothermal water from the volcanic hot springs that have served the region for centuries.
Jemez Springs Bath House
Jemez Springs, New Mexico · 40°C
A historic public bath house in the village of Jemez Springs, New Mexico, channeling natural geothermal spring water into private soaking tubs since the 1870s.
Juniper Springs Recreation Area
Ocala National Forest, Florida · 22°C
A historic CCC-built swimming area in Ocala National Forest with a canoe trail through subtropical forest.
K Bar L Ranch & Medicine Springs
Augusta, Montana · 38°C
A remote wilderness ranch north of Augusta, Montana, featuring natural geothermal springs on its property deep in the Rocky Mountain Front backcountry.
Kah-Nee-Ta Resort & Spa
Warm Springs, Oregon · 40°C
A resort owned and operated by the Confederated Tribes of Warm Springs in the high desert of central Oregon, built over geothermal springs sacred to Indigenous peoples.
Kanuti River Hot Springs
Bettles, Alaska · 55°C
A remote geothermal spring within the Kanuti National Wildlife Refuge in the Brooks Range foothills of Alaska, accessible by floatplane or challenging overland travel.
Langford Hot Springs
Big Bend National Park, Texas · 43°C
Natural hot springs along the Rio Grande in Big Bend National Park, where 43°C water flows from travertine formations into riverside pools at the US-Mexico border.
Little River Springs
Branford, Florida · 22°C
A beautiful first-magnitude karst spring near Branford, Florida, producing crystal-clear 22°C water from a deep limestone cave system popular with cave divers.
Lost Trail Hot Springs Resort
Sula, Montana · 40°C
A mountain resort at Lost Trail Pass on the Montana-Idaho border, pairing geothermal pools with a ski area in the Bitterroot Mountains.
Madison Blue Spring State Park
Lee, Florida · 22°C
A stunning first-magnitude spring in Madison County, Florida, discharging intensely blue water at 22°C from one of the most extensive cave diving systems in the state.
Mammoth Hot Springs Hotel & Cabins
Yellowstone National Park, Wyoming · 54°C
A landmark hotel perched above the famous Mammoth Hot Springs terraces in Yellowstone, offering lodging amid one of the world's most active travertine hot spring complexes.
Manley Hot Springs Resort
Manley Hot Springs, Alaska · 50°C
A pioneering hot spring resort in the remote interior Alaska town of Manley Hot Springs, at the end of the Elliot Highway, with geothermal greenhouses and spring-fed bathing pools.
Maple Grove Hot Springs
Custer County, Idaho · 40°C
Primitive hot springs in the high desert of central Idaho — a cluster of 40°C soaking pools in a cottonwood canyon managed by the Bureau of Land Management, surrounded by the Salmon River Mountains.
Medicine Hot Springs
White Sulphur Springs, Montana · 48°C
A natural geothermal spring near White Sulphur Springs, Montana, long used by Indigenous peoples for its warm mineral waters believed to have healing properties.
Melozi Hot Springs
McGrath, Alaska · 54°C
An extremely remote geothermal spring in the Kuskokwim Mountains of interior Alaska, accessible only by floatplane and used as a wilderness retreat.
Merrifield Homestead Cabins
Pagosa Springs, Colorado · 38°C
A rustic homestead cabin retreat near Pagosa Springs with private access to natural geothermal soaking in Colorado's San Juan Basin.
Miracle Springs Resort & Spa
Desert Hot Springs, California · 45°C
A full-service Desert Hot Springs resort with nine mineral pools of varying temperatures and a comprehensive spa menu, drawing from the town's renowned geothermal aquifer.
Monroe Hot Springs Resort
Monroe, Utah · 44°C
A warm-water resort in Monroe, Utah, channeling naturally mineralized 44°C spring water into private indoor baths and a public outdoor pool.
Murrieta Hot Springs Resort
Murrieta, California · 44°C
A historic mineral spring resort in Murrieta, California, now a Christian retreat center, built atop natural geothermal springs that were a popular health destination in the early 20th century.
Nathan's Hippy Dip Hot Spring
Durango, Colorado · 40°C
A free primitive hot spring near Durango, Colorado, known among locals and outdoor enthusiasts as a secluded riverside soak accessible by a short trail.
Nimrod Hot Springs
Philipsburg, Montana · 43°C
A remote roadside hot spring in the Flint Creek Valley of Montana, accessible by a short walk from a forest road, with water around 43°C.
Ojo Caliente Mineral Springs
New Mexico · 42°C
Rare four-mineral spring complex in the New Mexico desert — one of North America's only sites where iron, arsenic, soda, and lithia springs all emerge together.
Ojo Santa Fe Spa Resort
Santa Fe, New Mexico · 38°C
A luxury geothermal spa resort north of Santa Fe channeling natural mineral spring water into artful outdoor soaking pools set against the Jemez Mountains.
Omni Bedford Springs Resort
Bedford, Pennsylvania · 16°C
A grand historic resort in the Allegheny Mountains of Pennsylvania built over natural mineral springs that have attracted guests since 1796, now a luxury Omni property.
Onsen SF
San Francisco, California · 40°C
A Japanese-inspired urban bathhouse in the Mission District of San Francisco featuring private mineral-enhanced soaking tubs, steam rooms, and cold plunge pools.
Palm Springs Natural Hot Springs
Desert Hot Springs, California · 52°C
The geothermal springs underlying the Desert Hot Springs area north of Palm Springs, feeding dozens of resort and private pools with some of North America's most prolific hot spring water.
Pilgrim Hot Springs
Seward Peninsula, Alaska · 50°C
A remote geothermal oasis in the tundra of Alaska's Seward Peninsula, where hot springs sustain a microclimate of unusual vegetation amid the Arctic landscape.
Pinkerton Hot Springs
Durango, Colorado · 44°C
A group of primitive natural hot springs south of Durango, Colorado, producing 44°C geothermal water along the banks of the Animas River.
Pipestone Hot Springs
Whitehall, Montana · 48°C
A natural hot spring near Whitehall, Montana, flowing into outdoor soaking pools at around 48°C amid the ranching landscapes of Jefferson County.
Puna Geothermal Coast
Puna District, Big Island, Hawaii · 33°C
The geothermally heated coastline of Puna District on Hawaii's Big Island, where Kīlauea's East Rift Zone warms coastal waters and lava meets the Pacific — one of the most actively volcanic thermal landscapes on Earth.
Radium Hot Springs
Radium, Colorado · 45°C
A primitive geothermal seep along the Colorado River near the small town of Radium, producing 45°C water that mixes with the river in a remote canyon setting.
Rainbow Springs State Park
Dunnellon, Florida · 22°C
Swim and tube in a first-magnitude spring with historic gardens and a lazy river.
Raspberry Hot Springs
Ouray, Colorado · 45°C
A backcountry hot spring accessible by a moderate hike in the mountains near Ouray, Colorado, with multiple 45°C soaking pools in a remote canyon setting.
Red Hill Hot Springs
Elsinore, Utah · 43°C
A natural geothermal spring along the Sevier River Valley in central Utah, producing 43°C water accessible from BLM public land.
Riverbend Hot Springs
New Mexico · 43°C
A riverside hot springs resort on the banks of the Rio Grande in Truth or Consequences, New Mexico, born from a well accidentally drilled into the town's mineral aquifer in 1990.
Rock Springs (Kelly Park)
Apopka, Florida · 21°C
A natural spring-fed tubing run in Kelly Park near Apopka, Florida, where crystal-clear 21°C spring water rushes through a wooded creek in one of Central Florida's most beloved natural attractions.
Roman Spa Hot Springs Resort
Calistoga, California · 42°C
A full-service spa hotel in the heart of Calistoga, Napa Valley, offering volcanic ash mud baths, mineral pools, and geothermal steam rooms in a classic Wine Country setting.
Roosevelt Baths & Spa
Saratoga Springs, New York · 15°C
A historic mineral spring spa in Saratoga Spa State Park, New York, where naturally carbonated cold spring water is used for therapeutic bathing in private tubs since 1935.
Roosevelt Hot Springs
Milford, Utah · 50°C
A geothermally active area in Beaver County, Utah, with a history of hot spring development and now the site of one of Utah's largest geothermal power plants.
Royal Springs
O'Brien, Florida · 22°C
A scenic second-magnitude spring in the Suwannee River region of north Florida, set in a natural basin of ancient limestone with exceptionally clear 22°C water.
Roystone Hot Springs
Challis, Idaho · 46°C
A primitive backcountry hot spring north of Challis, Idaho, accessible by a 4WD road and short hike through the high desert of Custer County.
Russian & Turkish Baths
East Village, New York City · 77°C
The last remaining 19th-century immigrant bathhouse in Manhattan, operating since 1892 in the East Village — a steam, banya, and Turkish bath complex where Wall Street traders and neighbourhood regulars have shared the parilka for 130 years.
Saratoga Hobo Hot Pool
Saratoga, Wyoming · 45°C
A legendary free outdoor hot pool fed by natural 45°C springs along the North Platte River in Saratoga, Wyoming — open 24 hours, no reservations needed.
Saratoga Hot Springs Resort
Saratoga, Wyoming · 59°C
A rustic Wyoming resort on the North Platte River featuring natural 59°C hot springs that feed both indoor mineral pools and outdoor riverside soaking tubs.
Scenic Hot Springs
Skykomish, Washington · 57°C
A remote hot spring in the Cascade Mountains of Washington accessible by a moderately steep trail, with multiple pools at 57°C set among old-growth forest with Cascade Mountain views.
Serpentine Hot Springs
Serpentine, Alaska · 65°C
A remote geothermal spring in the Bering Land Bridge National Preserve of far northwestern Alaska, with a BLM bunkhouse and dramatic tors landscape around 65°C pools.
Sheldon Chalet
Denali, Alaska · 80°C
A remote luxury chalet at 2,100 metres in the Don Sheldon Amphitheater beneath Denali, accessible only by bush plane — with a private outdoor sauna and hot tub suspended in the Alaskan wilderness.
Shelokum Hot Springs
Petersburg, Alaska · 55°C
A natural geothermal spring in the rainforest of Mitkof Island near Petersburg, Alaska, with a Forest Service cabin and hot pool accessible by trail from a saltwater anchorage.
Sierra Hot Springs
Sierraville, California · 48°C
A 700-acre geothermal retreat center in the Sierra Nevada foothills near Sierraville, California, featuring multiple outdoor pools and clothing-optional soaking in a mountain meadow setting.
Silver Springs State Park
Ocala, Florida · 22°C
Florida's most visited natural spring, famous for glass-bottom boat tours over crystal-clear waters.
Sleeping Buffalo Hot Springs
Saco, Montana · 60°C
A historic artesian hot spring resort on Montana's Hi-Line near Saco, featuring naturally pressurized 60°C mineral water discovered during oil drilling in the 1920s.
Sleeping Child Hot Springs
Hamilton, Montana · 42°C
A small rustic hot spring resort in the Bitterroot Valley of Montana, offering outdoor soaking in mineral-rich geothermal water at around 42°C.
Soap Lake Natural Spa and Resort
Soap Lake, Washington · 17°C
A naturally saline and alkaline lake in central Washington State with a long history of therapeutic bathing, where the water's unique mineral composition creates a soap-like feel.
Sol Duc Hot Springs Resort
Washington (Olympic National Park) · 40°C
Geothermal mineral pools deep in Olympic National Park's rainforest, warmed by rain and snowmelt heated through ancient volcanic rock, in resort use since 1912.
Sophia Springs
Bozeman area, Montana · 35°C
A natural freshwater spring in the Bozeman area of Montana, flowing clear, cold mineral water through meadows and ranch country.
Spa Hot Springs Motel and Clinic
White Sulphur Springs, Montana · 52°C
A historic mineral bath motel in White Sulphur Springs, Montana, channeling 52°C geothermal water into indoor and outdoor pools since the 19th century.
Spencer Hot Springs
Nevada · 42°C
A remote free-access hot spring in the Great Basin Desert of Nevada, set amid sagebrush and open sky with sweeping views of the Basin and Range landscape.
Spot Ranch
Texas Hill Country, USA · 38°C
A working ranch wellness retreat in the Texas Hill Country offering outdoor soaking, nature immersion, and rural slow-living experiences in the cedar and live oak landscape of the Edwards Plateau.
Sycamore Mineral Springs Resort
California · 38°C
Historic California mineral resort with private hillside hot tub suites. Private tub lifts reported; accessibility details require verification.
Symes Hot Springs Hotel & Mineral Baths
Hot Springs, Montana · 50°C
A 1928 historic hotel in Hot Springs, Montana, famous for its private mineral bath rooms fed by naturally carbonated geothermal water at around 50°C.
Ten Thousand Waves
Santa Fe, New Mexico · 40°C
A Japanese-inspired mountain spa in the Sangre de Cristo foothills above Santa Fe, with private and communal outdoor hot tubs fed by geothermal mineral water.
Tenakee Hot Springs
Tenakee Springs, Alaska · 47°C
A natural hot spring that anchors the tiny community of Tenakee Springs on Chichagof Island, Alaska, where a public bathhouse has served residents and travelers since the 1890s.
TenZen Springs & Cabins
Skamania County, Washington
Six private cabins in the Columbia River Gorge, each with a two-person geothermal soaking tub fed by spring water drawn from 3,000 feet below the Wind River valley.
The American Neo-Bathhouse
Urban centers — New York, Los Angeles, Dallas, Brooklyn · 40°C
The 21st-century revival of communal bathing in American cities — a new generation of bath houses offering Nordic ritual sequences, mineral soaks, and steam traditions drawn from global bathing cultures.
The Spa at Sec-he
Palm Springs, California · 40°C
A luxury spa in Palm Springs operated by the Agua Caliente Band of Cahuilla Indians on land where their ancestors gathered to use the area's natural thermal springs.
Three Forks Warm Springs
Fields, Oregon · 38°C
A series of warm springs in the remote Owyhee River canyon of southeastern Oregon, accessible by a challenging desert road and a rugged hike.
Three Sisters Springs
Crystal River, Florida · 22°C
A pristine spring cluster in Crystal River National Wildlife Refuge — Florida's most celebrated manatee snorkeling site.
Tolovana Hot Springs
Manley Hot Springs, Alaska · 60°C
A wilderness hot spring accessible by a 22-km trail near Manley Hot Springs in interior Alaska, with BLM-maintained soaking tubs in a remote boreal forest setting.
Treehouse Hot Springs & Resort
Ouray, Colorado · 42°C
A boutique hot spring resort in Ouray, Colorado, with private and semi-private geothermal tubs set into a wooded canyon landscape above the Uncompahgre River.
Trinity Hot Springs
Clayton, Idaho · 47°C
A remote backcountry hot spring in the Salmon River Mountains of Idaho, accessible by a rugged trail through the Frank Church–River of No Return Wilderness.
Troy Spring State Park
Branford, Florida · 22°C
A first-magnitude spring in the Suwannee River corridor near Branford, Florida, with a historic Civil War-era steamboat wreck visible through the crystal-clear 22°C water.
Veyo Pool Resort
Veyo, Utah · 30°C
A natural warm-water swimming resort in the volcanic canyon of Santa Clara Creek near Veyo, Utah, formed by a volcanic plug that creates a natural pool.
Warner Springs
Warner Springs, California · 38°C
A natural warm-water spring in the Palomar Mountain area of San Diego County, California, historically significant as a Pacific Crest Trail landmark.
Weeki Wachee Springs State Park
Weeki Wachee, Florida · 22°C
A first-magnitude spring famous for its live underwater mermaid shows since 1947.
Wekiwa Springs State Park
Apopka, Florida · 22°C
An accessible natural spring near Orlando for swimming, paddling, and hiking.
White Sulphur Hot Springs
Baranof Island, Alaska · 60°C
A remote Forest Service hot spring on the west coast of Baranof Island in the Alexander Archipelago of Southeast Alaska, accessible by boat or floatplane.
Whitmore Hot Springs
Mammoth Lakes, California · 40°C
A Mono County-operated warm spring pool near Mammoth Lakes, California, offering free outdoor soaking in the Long Valley Caldera with views of the Eastern Sierra.
Wild Horse Hot Springs
Hot Springs, Montana · 43°C
A quiet primitive hot spring near the town of Hot Springs in Sanders County, Montana, with 43°C water flowing into natural soaking pools beside a creek.
Yellowstone Hot Springs
Wyoming / Montana / Idaho · 93°C
The world's most prolific geothermal field — over 10,000 thermal features including the iconic Grand Prismatic Spring.
Zion Canyon Hot Springs
Utah · 42°C
A newly built resort on the site of the historic Pah Tempe/Dixie Hot Springs along the Virgin River, using genuine geothermal water long used by the Paiute people, near Zion National Park.