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Soakers in a terraced pool beside thatched umbrellas at The Springs Resort, Pagosa Springs, Colorado
Resort & lodging

The Springs Resort

Pagosa Springs, CO

A large riverside resort in downtown Pagosa Springs whose 47 terraced pools draw from the Mother Spring. General admission covers 25 original pools including an adults-only terrace, and a pricier wellness pass adds newer pools, a halotherapy sauna and a mud studio. Overnight guests get round-the-clock soaking.

Minerals3,205 mg/LSodium–sulfate · lithium · high silica
From $74View
Aerial view of floaters in a clover-shaped mineral pool at Glen Ivy Hot Springs, Temescal Valley (Corona), California
Day pools

Glen Ivy Hot Springs

Temescal Valley (Corona), CA

A long-running adults-only day spa in Temescal Valley with 19 pools and water features, led by 104°F Mineral Baths fed by a geothermal source. Admission covers Club Mud, saunas, steam rooms, a hot and cold plunge circuit and daily classes. Reservations are required and there is no re-entry.

From $65View
Reflecting pool and lounge chairs below sandstone cliffs at Ojo Caliente Mineral Springs Resort & Spa, Ojo Caliente, New Mexico
Resort & lodgingClothing opt.

Ojo Caliente Mineral Springs Resort & Spa

Ojo Caliente, NM

A historic spring resort below mesa cliffs on the Rio Ojo Caliente, with nine communal mineral pools named for their iron, soda, lithia and arsenic content, running about 80-105°F. Day passes are sold at the door with no reservations, and the springs are for ages 13 and up. The property also has a spa, a restaurant and wine bar, a 1916 hotel, cottages and an RV and tent campground.

Minerals2,490 mg/LSodium–bicarbonate · lithium · high silica
From $45View
Steam rising off a rock-lined pool behind spring flowers at Orvis Hot Springs, Ridgway, Colorado
Resort & lodgingClothing opt.

Orvis Hot Springs

Ridgway, CO

A clothing-optional hot springs between Ridgway and Ouray with ten indoor and outdoor pools and ponds from about 65 to 112°F, using water that is neither heated nor treated. Outdoor areas and the sauna are clothing-optional for adults, while children must wear suits. Rooms and a small campground offer round-the-clock soaking.

Minerals2,270 mg/LSodium–sulfate · lithium · high silica
From $35View
Pool beside a blue building with stained-glass windows in the hills at Harbin Hot Springs, Middletown, California
Resort & lodgingClothing opt.

Harbin Hot Springs

Middletown, CA

A rustic, clothing-optional retreat center north of Middletown run by the non-profit Heart Consciousness Church, with eight Mainside pools ranging from a very hot enclosed pool to cold plunges, plus a sauna and steam room. Visitors buy a membership and a 3-, 6- or 24-hour pass, and the property bans alcohol, drugs, phones and cameras. Rebuilding after the 2015 Valley Fire continues, with two new Mainside hotels under construction.

From $25View
Rendering of the pools with tepees and cabanas at Kah-Nee-Ta Hot Springs Resort, Warm Springs, Oregon
Resort & lodging

Kah-Nee-Ta Hot Springs Resort

Warm Springs, OR

A tribally owned resort on the Warm Springs Reservation that reopened in 2024 after a $13 million renovation. Mineral pools run about 92-104F, with kids' pools, a lazy river and a 37F cold plunge, plus hotel rooms, a teepee village and RV sites. Pools are closed Tuesdays and Wednesdays through March 2027.

Minerals1,020 mg/LSodium–chloride · high silica
From $34View