15 listings
Most Mineral-Rich Hot Springs in Colorado
Springs whose source water tested at 1,500 mg/L or more of dissolved minerals, based on USGS and state lab samples. For comparison, tap water is usually under 500 mg/L.
We list 15 in Colorado, 3 of them near Glenwood Springs: the hottest is Orvis Hot Springs (up to 114°F) and the lowest listed adult price is Dakota Hot Springs ($21.40).
Box Canyon Lodge & Hot Springs
A small historic lodge near Box Cañon Falls in Ouray where spring water from the hillside fills seven red-cedar soaking tubs before draining to the Uncompahgre River. The tubs are presented as an amenity for lodge guests. The property dates back to a 1920s sanitarium.
Conundrum Hot Springs
High-elevation backcountry pools in the Maroon Bells-Snowmass Wilderness, about 8.5 miles one way from the Conundrum Creek trailhead near Aspen. Camping anywhere in the zone requires an advance Recreation.gov permit and use of your reserved site, and dogs are not allowed. Bear canisters are mandatory overnight, and the Forest Service asks visitors to pack out human waste.
Dakota Hot Springs
A naturally flowing, unchlorinated geothermal pool west of Penrose that is swimsuit-optional most days and describes itself as family-friendly. Visits are booked online in two 5-hour sessions, and it is closed Mondays for cleaning. Tent sites and camper rentals are available to soakers.
Desert Reef Hot Springs
An adults-only, suits-optional geothermal soaking spot in the high desert near Florence, with overnight stays in vintage Airstreams, tiny homes or van campsites. Swimsuits are required on Friday daytimes, and some hours are reserved for members. It was temporarily closed for day soaks at time of check (Oct 19-Nov 10, 2026).
Durango Hot Springs Resort + Spa
The former Trimble Hot Springs north of Durango, rebuilt under new owners since 2019, now has 32 mineral pools (13 adults-only), two cold plunges, a lap-size swimming pool and private ofuro tubs. Soaks are booked in 2- or 3-hour sessions. On-site lodging was listed as unavailable at time of check.
Glenwood Hot Springs Resort
A large downtown resort built around the Grand Pool, which stretches more than two city blocks, plus a 104°F therapy pool. The newer Yampah Mineral Baths add three hot pools between roughly 95 and 104°F and two cold-contrast baths, and that area turns adults-only after 5 pm. Day passes are sold without reservations, and the resort runs two hotels on site.
Healing Waters Resort & Spa
A family-owned motel resort in Pagosa Springs, run by the same family since 1950, with a large outdoor mineral swimming pool, a hot tub and separate men's and women's indoor baths. Day soaking is walk-in. The pools use untreated mineral water.
Indian Hot Springs
A historic spa in Idaho Springs with separate men's and women's geothermal cave baths, a mineral-water swimming pool and private tubs. Lodging, a restaurant and spa services are on site. Prices and cave rules should be confirmed directly, as public listings conflict.
Iron Mountain Hot Springs
A modern soaking complex beside the Colorado River with dozens of small mineral pools ranging from about 89 to 112°F. An adults-only (21+) tier adds a sauna area, plunge pools and WorldSprings-style pools, while a family zone serves younger children. Passes are tiered and cheaper when booked online.
Orvis Hot Springs
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.
Ouray Hot Springs Pool
A city-run hot springs pool complex at the north end of Ouray with soaking pools from about 95 to 106°F, a lap pool and an activity pool that becomes a cold plunge in winter. Summer adds water slides and a climbing wall, and there is an adults-only soaking section. Entry is walk-in.
Overlook Hot Springs Spa
A downtown Pagosa Springs bathhouse in a historic building with indoor tubs and rooftop soaking tubs overlooking the San Juan River. It also has a cold plunge, sauna, a bookable private tub room and massage. It tends to be quieter in the morning and busier in the evening.
Penny Hot Springs
Rock-ringed pools on the west bank of the Crystal River just off Highway 133 north of Redstone, partly owned and managed by Pitkin County Open Space. Access is free and year-round from a small roadside pullout. River levels decide conditions, and the pools are often under cold water during spring runoff.
The Springs Resort
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.
Yampah Spa & Vapor Caves
A spa built over natural underground steam caves heated by a 125°F geothermal spring, with three rock chambers that run around 110-113°F. Cave time is bundled with spa treatments and must be reserved ahead. Swimsuits are required and visitors must be at least 13.