Wild & naturalTuscany, Italy
Cascate del MulinoDetailed visitor guide · Sources reviewed
Travertine terraces beneath a Tuscan waterfall.
37.5°CFree entry
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1303 geothermal places. Wild, wonderful, and worth knowing about.
Wild & natural
Wild & naturalIdaho, United States
Goldbug Hot SpringsDetailed visitor guide · Sources reviewed
A mountain soak with a view worth the climb.
VariesNatural pools
Resort & spaReykjanes, Iceland
Blue LagoonDetailed visitor guide · Sources reviewed
Milky-blue geothermal water in a lava landscape.
37–40°CCheck admission
Wild & naturalOregon, United States
Umpqua Hot SpringsDetailed visitor guide · Sources reviewed
Forest pools overlooking the North Umpqua River.
VariesNatural pools
Wild & naturalIdaho, United States
Kirkham Hot SpringsDetailed visitor guide · Sources reviewed
Hot waterfalls meet the cool Payette River.
VariesNatural pools
Thermal parkDenizli, Türkiye
PamukkaleDetailed visitor guide · Sources reviewed
White mineral terraces above an ancient city.
VariesCheck admission
Thermal parkNagano, Japan
Jigokudani OnsenDetailed visitor guide · Sources reviewed
Geothermal mountain scenery and snow monkeys.
VariesCheck admission
Resort & spaBudapest, Hungary
Széchenyi Thermal BathDetailed visitor guide · Sources reviewed
A grand Budapest bathhouse with open-air pools.
36–38°CCheck admission
Thermal parkAlberta, Canada
Banff Upper Hot SpringsDetailed visitor guide · Sources reviewed
A classic alpine soak beneath the Canadian Rockies.
37–40°CCheck admission
Thermal parkWyoming, United States
Mammoth Hot SpringsDetailed visitor guide · Sources reviewed
Ever-changing limestone terraces in Yellowstone.
VariesCheck admission
Resort & spaColorado, United States
Glenwood Hot SpringsDetailed visitor guide · Sources reviewed
A historic mineral pool in a Colorado mountain town.
32–40°CCheck admission
Resort & spaAlaska, United States
Chena Hot SpringsDetailed visitor guide · Sources reviewed
A steamy wilderness escape outside Fairbanks.
VariesCheck admission
Thermal parkArkansas, United States
Hot Springs National ParkDetailed visitor guide · Sources reviewed
Historic Bathhouse Row and ancient thermal water.
62°CCheck admission
Resort & spaCanterbury, New Zealand
Hanmer SpringsDetailed visitor guide · Sources reviewed
Thermal pools in a leafy South Island village.
34–40°CCheck admission
Resort & spaRotorua, New Zealand
Polynesian SpaDetailed visitor guide · Sources reviewed
Lakeside mineral bathing in geothermal Rotorua.
33–41°CCheck admission
Resort & spaŌita, Japan
Beppu OnsenDetailed visitor guide · Sources reviewed
An entire city shaped by rising geothermal steam.
VariesCheck admission
Resort & spaGunma, Japan
Kusatsu OnsenDetailed visitor guide · Sources reviewed
A mountain onsen town with a steaming central spring.
VariesCheck admission
Resort & spaLos Ríos, Chile
Termas GeométricasDetailed visitor guide · Sources reviewed
Red walkways weaving through a lush thermal ravine.
VariesCheck admission
Resort & spaNapo, Ecuador
Termas de PapallactaDetailed visitor guide · Sources reviewed
High-Andean thermal bathing among misty peaks.
VariesCheck admission
Resort & spaBath, United Kingdom
Thermae Bath SpaDetailed visitor guide · Sources reviewed
A rooftop thermal pool above a historic English city.
33.5°CCheck admission
Resort & spaTyrol, Austria
Aqua DomeDetailed visitor guide · Sources reviewed
Sculptural thermal pools suspended in an alpine valley.
34–36°CCheck admission
Resort & spaCalifornia, United States
CalistogaDetailed visitor guide · Sources reviewed
Napa Valley's historic mineral bathing town.
VariesCheck admission
Resort & spaAlajuela, Costa Rica
La Fortuna Hot SpringsDetailed visitor guide · Sources reviewed
Volcanic hot-water escapes beneath Arenal.
VariesCheck admission
Resort & spaVictoria, Australia
Peninsula Hot SpringsDetailed visitor guide · Sources reviewed
Hilltop bathing on the Mornington Peninsula.
VariesCheck admission