9 Best Natural Hot Springs in Colorado

From famous hot spring resorts to lesser-known wonders, here are the best natural hot springs and resorts in Colorado.
person in hot spring looking out at The Springs Resort in Colorado
(Photo: Brianna Amato, for The Springs Resort)
  • Colorado has some of the country’s best natural hot springs. Some are good for a day trip and others are part of resorts where you can stay overnight.
  • Hot springs in Colorado get creative with offerings including aquatic rock climbing walls, warm water slides, heated walkways between pools, and hot springs pools under a translucent dome.

Thanks to an amazing combination of millions of years of plate tectonics, Colorado’s Rocky Mountains created the perfect conditions for geothermal springs. And since humans figured out how good it feels to sit in the mineral-rich hot mineral springs, we’ve been coming to soak in the healing waters.

Colorado’s Best Natural Hot Springs

The Rocky Mountain state and an abundance of geothermal activity has resulted in now-famous hot springs perfect for rejuvenating both mind and body. Whether you’re a hot springs fanatic or a first-timer, here are my favorite natural hot springs in Colorado—and where to stay nearby.

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1. Glenwood Hot Springs Resort

Glenwood Springs, Colorado

Young Boy Jumps into Pool at Glenwood Hot Springs Resort in Colorado
Colorado’s Glenwood Hot Springs Resort is one of Colorado’s most famous hot springs (Photo: Glenwood Hot Springs Resort)

Quite possibly the most famous hot springs in the U.S., Glenwood Hot Springs Resort first opened its pool in 1888 and has been continuously welcoming guests ever since. Located between Aspen and Vail, the town of Glenwood Springs is at a lower elevation than most mountain resort towns in the Western U.S. The town’s Glenwood Hot Springs Resort makes a great day trip or multi-day trip with both day passes and lodge rooms available.

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The main pool is the size of a football field, giving it bragging rights as one of the largest hot springs pool in the world. And at the end of the main pool is a diving board, lap lanes, and plenty of room for water aerobics and fitness classes. There are also mini water slides for younger kids and a grand fountain splash pad.

During the summer vacation months, guests can rent a cabana and kids can splash around in the Sopris Splash Zone, a water play area with waterfalls and water slides, including a whitewater river open-air tube ride with twists and turns that mimic a ride down a mountain creek in Colorado.

2. The Springs Resort and Spa

Pagosa Springs, Colorado

people walking along hot springs walkway in winter
The Springs Resort has 23 soaking pools, including an adults-only pool (Photo: Brianna Amato, for The Springs Resort)

The Colorado town of Pagosa Springs gets its name from the area’s Great Pagosa Hot Springs, which is the world’s deepest measured geothermal hot spring. From this Colorado hot spring, The Springs Resort and Spa filters into 23 soaking pools of varying temperatures. This is a fantasy land of multiple pools of stone, situated in the river and other nooks and crannies. Families can enjoy pools of all sizes and temperatures ranging from 83 to 114 degrees Fahrenheit. There are also five VIP section, adults-only pools. 

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Onsite there’s a cafe and restaurant, plus a canteen for adult beverages. The Springs Resort offers nearly 80 rooms and suites at its hotel and adjoining inn, as well as a restaurant, retail shops, and spa amenities and services. The hot springs pools are open 24 hours a day to all guests of the hotel, and all pools have views of the San Juan Mountains.

3. Sand Dunes Swimming Pool and RV Park

Hooper, Colorado

Image of the indoor hot spring and greenhouse at Sand Dunes hot springs in Coloradp
A greenhouse is home to an adults-only relaxation and soaking area (Photo: Sand Dunes Recreation)

After a trek up some of the world’s tallest sand dunes at Great Sand Dunes National Park, a soak in among some of Colorado’s natural hot springs should be on your agenda. The San Luis Valley region is home to the family-friendly Sand Dunes Swimming Pool and RV Park in Hooper, close to the sand dunes.

Open year-round, the natural, spring-fed pool is at a constant 98 degrees that makes it a good fit for all-age enjoyment. Chaise lounges and stunning scenery surround the pool. There’s an onsite restaurant and gift shops for basic pool needs, as well as RV sites, tent camping, and cabin rentals. 

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For the day, rent a pool cabana with outdoor lounge chairs, an indoor bar, two seating areas with chairs, and sliding glass doors that allow you to look out on to impressive views of the Great Sand Dunes National Park and the Sangre De Cristo Mountain Range.

There’s also the blissful adults-only soaking experience within the onsite 10,000-square-foot greenhouse, which houses three soaking tubes, a zero-entry pool with fountain, a sauna, gardens, indoor/outdoor spaces, and a bar. 

4. Iron Mountain Hot Springs

Glenwood Springs, Colorado

Iron Mountain Hot Springs in Glenwood Springs, Colorado
There’s something for everyone at Iron Mountain Hot Springs in Glenwood Springs, Colorado

Like the famed Glenwood Hot Springs Resort, Iron Mountain Hot Springs is also located in the town of Glenwood Springs, but is much more intimate. It’a one of the newer hot springs to open in the Centennial State, and has 16 soaking pools with varying temperatures of mineral water from 98 to 108 degrees. On the lower level is a family-friendly freshwater pool. Above you’ll find an elevated jetted spa for parents to enjoy while watching their children. 

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The pools have heated walkways between one another for warmth in the winter. The springs produce 14 different healing minerals, with the most abundant being iron, sulfate, chloride, sodium and calcium. Families can also soak in the views of Iron Mountain, Red Mountain, the Flat Tops, and the peaks of majestic Mt. Sopris to the south. Note that these mineral springs are not open to children under the age of five. 

5. Mount Princeton Hot Springs Resort

Nathrop, Colorado

The incredible Mount Princeton Hot Springs Resort is one of the most expansive operations in all of Colorado. Its geothermal springs are filtered into manmade pools, but many guests are drawn the ever-changing temperatures of the natural mineral hot springs pools (70 to 120 degrees) in the Chalk Creek river that flows alongside the property.

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The resort’s Historic Bath House dates back to 1868, and there’s a fun staircase from the building directly into the 105-degree soaking pool. Across the street on the resort property are the Upper Pools where there’s a lazy river, large pool for fitness classes and play, a 400-foot “hot” water slide, and smaller hot pools. All are surrounded by chaise lounges and plenty of deck space.

For adults only, there is the Relaxation Pool (99 degrees) attached to the spa. Mount Princeton Hot Springs Resort has plenty of lodging options from single rooms to multiple bedroom cabins with kitchens. There’s an onsite restaurant and sundry, along with many other amenities.

6. Dunton Hot Springs Resort

Dolores, Colorado

The most exclusive (and one of the most remote Colorado hot springs) is the all-inclusive Dunton Hot Springs Resort, which requires an overnight stay. Located between Telluride and Cortez, the resort is a five-star experience. The healing waters come from a nearby fault producing numerous seeps in the area. Here, Colorado’s only geyser, which is also a semi-cool sulfuric spring, bubbles to the surface every 45 minutes on average. 

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The resort and hot springs are located in a restored mining town turned ghost town. Families can relax in lush private log cabins and meals are served family-style in an 1800s saloon. The main soaking pool is in a refurbished 19thcentury bathhouse, which now features modern amenities. 

7. Indian Hot Springs

Idaho Springs, Colorado

Indian Hot Springs in Idaho Springs, Colorado (Photo: Indian Hot Springs)
Indian Hot Springs in Idaho Springs, Colorado, are like a tropical oasis in the desert (Photo: Indian Hot Springs)

Easily accessible from Denver and right off of I-70, Indian Hot Springs has been pumping hot mineral water for more than a century. Tucked into a translucent dome is a tropical enclave of plants, banana and palm trees, and a lush humid climate amid the dry and arid mountains. The pool is open year-round, fed by a 115-degree spring that cools to a pool with temps that range from 90 to 100 degrees. Onsite there’s a large resort, restaurant, bar, and retail shops.

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The outdoor Jacuzzi tubs on the deck, surrounded by a privacy fence, are bubbling with 108-degree hot mineral water. Inside, there are 11 hot mineral baths at about 106 degrees. Teenagers 16 and over can experience the geothermal caves, which are gender specific (note that bathing suits are optional). The caves range in temperature from 104 to 112 degrees, and guests can walk into the sunken hot tubs or breathe in the healthy mineral air. 

8. Strawberry Park Hot Springs

Steamboat Springs, Colorado

The rustic Strawberry Park Hot Springs are located about 20 minutes from downtown Steamboat Springs. A short hike down from the parking area will lead you to the entrance and then it’s a few more stairs to the multiple pools carved into the river. Most pools are between 99 and 106 degrees.

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They vary in size and temperature and offer swimming opportunities from miniature beaches to deep waters for stretching. There are cooler waters closer to the bottom of the cascading mineral pools.

There are restrooms and a heated area for changing onsite. While there are no dining options, food can be brought in and eaten at the picnic areas; just note that glass is not permitted. Overnight cabin rentals are available, as are campsites. 

9. Old Town Hot Springs

Steamboat Springs, Colorado

The most accessible and family-friendly hot springs in the Steamboat Springs region is Old Town Hot Springs in the downtown corridor. Guests can choose from eight different mineral pools originating from Heart Spring. The pools range in temperature from 80 to 104 degrees. There are also two long waterslides, an enormous hot activity pool, and an aquatic rock climbing wall.

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Also included among the are many family attractions at this hot springs water park is a splash pad with slides and fountains for the wee ones, a shallow wading pool with animal features, and an obstacle course during the summer in the large pool. The actual Heart Spring pool is for children ages 15 years and older.

There are cabanas for rent and onsite food, beverage, and retail shops. Spa services and fitness and aquatics classes are all available to visitors and locals. 

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Julie Bielenberg
Julie Bielenberg is an award-winning journalist and photographer based in Colorado. She is a national leader in agritourism and publishes more than 50 editorial assignments annually for over a dozen outlets.