Hot Springs in United States

15 springs 5 free 4 natural 10 resorts hottest 114°F

United States has 15 hot springs in this guide. The list includes 5 free springs, plus 4 natural entry, 10 resorts, and 1 public pool.

Springs cluster near Glenwood Springs and Buena Vista. Notable entries include Iron Mountain Hot Springs, Mineral Hot Springs, Pagosa Hot Spring, Penny Hot Springs, and Glenwood Hot Springs Pool.

Compare hot springs in United States

Compare hot springs in United States: type, water temperature, cost, access and dress rules
Hot spring	Type	Water	Cost	Access	Dress
Stanley Hot Springs	Natural	100°F to 110°F	Free	Long hike, 5 miles	Clothing optional
Sunflower Hot Springs	Natural	102°F	Free	Boat or 4WD	–

Only verified details are shown; "–" means we have not verified it yet.

2 places on the map

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All hot springs in United States

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Stanley Hot Springs

Idaho

Natural
Free
Clothing optional

Hike 5 miles

Sunflower Hot Springs

Idaho

Natural
Free
Seasonal

102°F

Where hot springs cluster

Glenwood Springs is near Iron Mountain Hot Springs, Penny Hot Springs, and Glenwood Hot Springs Pool. Buena Vista is near Mount Princeton Hot Springs Resort and Charlotte Hot Springs & Botanical Gardens.

Spring types and free options

This guide includes 4 natural entry, 10 resorts, and 1 public pool. It also lists 5 free hot springs.

Notable hot springs

These highlighted springs include resorts, a public pool, and distinctive pool, water-source, and historical details.

Iron Mountain Hot Springs has 35 pools and a Sauna Summit expansion with five globally inspired saunas.
Mineral Hot Springs has hot water that rises from travertine springs at 120°F to 145°F before being tempered for the pools.
Penny Hot Springs has spring water that emerges at 133 °F/56 °C below granite cliffs known as Hell's Gates.
Glenwood Hot Springs Pool was originally constructed in 1888.