Every hot spring in the state — from resort complexes with historic bathhouses to wild backcountry pools you have to hike into. Grouped by kind, so you can find the one that fits the trip.
Large, well-equipped complexes with many pools, full facilities and easy access.
Home to the historic Grand Pool — billed as the world's largest hot springs pool — plus a hotter Therapy Pool, five Yampah Mineral Baths and cold plunge tubs. The most convenient family-friendly first stop when driving west from Denver on I-70.
Fed by the Mother Spring — Guinness-certified as the world's deepest measured geothermal spring — with 50+ terraced pools along the San Juan River. Overnight guests get 24/7 soaking access, including the adults-only Relaxation Terrace.
Terraced along the Colorado River with a dedicated 21+ WorldSprings area recreating global mineral waters, plus the new Sauna Summit. Reservations are recommended on weekends, with a small online discount.
Renowned for natural hot pools built directly into the bed of Chalk Creek, where you can mix hot spring water with the cool stream. A scenic, family-friendly resort at the base of the Chalk Cliffs.
A completely rebuilt resort (reopened 2020 after Trimble) using nano-bubble technology for odorless, crystal-clear mineral water. Features 32 mineral pools, cold plunges, a swimming pool and private cedar ofuro tubs. Day-use only — no lodging on site. Reservations recommended on weekends.
Century-old bathhouses, geothermal steam caves and small-town spa hotels.
Set in an ultra-luxury restored 19th-century ghost town near Dolores. Features a restored historic bathhouse, outdoor pools, and private cabin tubs. Closed to day visitors; exclusively available to overnight all-inclusive guests.
One of Colorado’s oldest geothermal retreats, featuring 21 natural mineral pools infused with heavy minerals and sulfur. A straightforward, unpretentious stop for therapeutic soaking along Highway 40 near Winter Park.
Located just 30 miles west of Denver, known for its unique gender-segregated geothermal vapor caves carved into mountain rock. Features a large indoor tropical pool under a glass dome alongside private soaking tubs.
Billed as the only natural geothermal vapor caves in North America used commercially for bathing — hot mineral waters flow through the rock floor to create natural steam rooms. A historic wellness facility in downtown Glenwood Springs.
A Victorian-style boutique spa in downtown Pagosa Springs featuring scenic rooftop tubs overlooking the San Juan River. Offers a quieter, less crowded alternative to larger resorts, complete with beer and wine service.
A family-owned, budget-friendly historic resort operating in Pagosa Springs since 1950. Features a large outdoor mineral swimming pool, hot soaking tubs, and steam showers powered entirely by natural geothermal water.
A full-service mountain lodge in Ouray offering a large outdoor mineral pool, a hot tub, and an indoor underground vapor cave. Conveniently located within walking distance of downtown trails and shops.
A holistic wellness spa near Pikes Peak with outdoor cedar tubs filled with mineral water from Seven Minute Spring. The water is not naturally hot — it's solar-heated to 100–104°F. Offers 90-minute timed soaking sessions with panoramic mountain views; reservations required.
Historic European-style spa lodge in Ouray with a natural underground vapor cave directly beneath the building. Quiet, low-key atmosphere with a main outdoor pool and the private Lorelei pool with waterfall, available for hourly rental.
Quiet, nature-first places focused on soaking and recovery. Most of Colorado's clothing-optional springs are here.
Nestled in a pine forest outside Steamboat Springs, offering natural stone pools along Hot Springs Creek. Turns clothing-optional and adults-only after dark; cash payment and advance reservations are strictly required.
A clothing-optional, smoke-free resort near Ridgway featuring natural gravel-bottom pools fed by lithium-rich geothermal water. Enforces a strict quiet environment with no electronic sound devices allowed.
A tranquil, alcohol-free eco-retreat at the base of the Collegiate Peaks offering gravity-fed rock pools. Focused on holistic healing and quiet contemplation with no loud groups or music permitted.
Located in the high-desert San Luis Valley, offering mineral-rich soaking pools with unobstructed views of the Sangre de Cristo Mountains. Known for unique lodging in yurts and tipis alongside holistic spa treatments.
An off-grid, clothing-optional eco-sanctuary managed by Orient Land Trust along the Sangre de Cristo foothills. Features natural unpaved rock ponds; strict capacity limits mean advance reservations are mandatory.
A high-desert, clothing-optional oasis near Royal Gorge with several geothermal mineral pools and mountain views. Adults-only (21+), operates on timed soaking passes with mandatory online booking.
A relaxed, unpretentious artesian pool located between Canon City and Pueblo. Offers clothing-optional soaking in a quiet, low-key setting with basic camping facilities and affordable day passes.
Located in the Crystal River Valley, featuring three tiered natural rock pools with panoramic mountain views. Day passes are available by advance reservation, though lodging guests receive prioritized pool access.
Overnight-only properties: private houses with their own pools, and guest ranches. No day passes.
A quiet Ouray motel featuring seven terraced redwood tubs built into the hillside with 360-degree mountain views. Soaking facilities are strictly reserved for overnight guests, ensuring an uncrowded atmosphere.
Offers three historic hand-hewn log cabins along Chalk Creek, each equipped with its own private hand-built stone hot spring tub. Closed to day visitors; ideal for private, secluded mountain stays.
A family-operated dude ranch near Gunnison National Forest with a large geothermal swimming pool and hot tub. Primarily built for multi-day family vacations with horseback riding, fishing and home-cooked meals. Occasional public day access is possible on dates when the ranch is not booked by a private group — call ahead to check.
A custom 5-bedroom private vacation home perched tree-level near the Chalk Cliffs. Features a private outdoor pool and hot tub fed continuously by natural geothermal water, available exclusively to overnight rental groups.
Two historic hand-crafted cabins along Cottonwood Creek, each offering a private outdoor stone hot spring soaking tub. Completely private for overnight guests with no public day pass access.
A historic dude ranch nestled in the Chalk Creek Valley near Mount Princeton. Features two natural geothermal swimming pools reserved for overnight ranch guests, alongside horseback riding, whitewater rafting, and mountain lodge dining.
Municipal and community pools fed by hot springs. Affordable, family-friendly, easy walk-ins.
A historic non-profit recreation complex in downtown Steamboat Springs featuring multiple hot mineral soaking pools, lap lanes, and water slides. Highly family-oriented with full fitness amenities and no reservations required.
A massive municipal pool surrounded by 13,000-foot San Juan peaks, filled with odorless, sulfur-free geothermal water. Offers distinct temperature sections, lap lanes, and climbing walls, ideal for families and casual bathers.
Billed as the largest indoor hot springs pool in the country, fed directly from underground mountain springs. Features a warm lap pool and a hotter soaking pool — an affordable, weather-proof option year-round.
A classic historic resort pool operating at the entrance of Eldorado Canyon near Boulder. Filled with cool, unheated artesian mineral spring water; open seasonally from summer through early fall for refreshing outdoor swimming.
Located near Great Sand Dunes National Park, combining a large family mineral pool with "The Greenhouse"—a tropical, adults-only (21+) indoor soaking garden with specialty tubs and a craft beer bar.
A vintage, family-friendly geothermal outdoor pool in the San Luis Valley operating since 1955. Features warm mineral water, diving boards, and snack bars; open seasonally during warm summer months.
Undeveloped springs on public land. Free, no facilities, access ranges from roadside to an 8-mile hike.
A free, roadside natural hot spring pool along the Crystal River near Carbondale. Easily accessible with pull-off parking on Highway 133, though water temperature fluctuates significantly depending on seasonal river levels.
A warm geothermal pool built into the banks of the Colorado River near Kremmling. Reached via a 1-mile hike or by raft/kayak; features cliff-jumping spots nearby and a popular, clothing-optional atmosphere.
One of the highest-elevation geothermal pools in North America at 11,200 feet near Aspen. Effectively a 2-3 day overnight trip: 8.5 miles each way with ~2,500 feet of gain. Camping permits are mandatory through Recreation.gov and sell out fast in summer.
A small, primitive natural mud pool on public land just west of Glenwood Springs. Reached via a short 0.2-mile trail from the dirt parking area, offering a quick, free, clothing-optional local soak.
Secluded natural rock pools in the Weminuche Wilderness near Pagosa Springs. Demands a challenging 4.5-mile hike along the West Fork San Juan River; highly rewarding for backcountry campers and quiet soaking.
Primitive rock-walled pools tucked along the banks of the Piedra River west of Pagosa Springs. Accessed via a 1.5-mile trail; pools fill and change depending on river flow, offering peaceful backcountry soaking.
A series of unmaintained, primitive mud pools in the Dolores River Valley near the historic mining town of Rico. Requires a short dirt road walk; access can vary due to proximity to private property.
One row per destination — region, type, whether you can walk in for the day, price, water temperature and clothing policy.
| Name | Region | Type | Lodging | Day pass | Price | Water | Clothing |
|---|---|---|---|---|---|---|---|
| Antero Hot Springs Cabins | Central Rockies & San Luis Valley | Cabins, Ranches & Private Rentals | 3 private historic hand-hewn log cabins | No | Cabin rental ~$350–600/night | 100–106 °F | Private |
| Avalanche Ranch Cabins & Hot Springs | Northwest Rockies | Wellness Retreats & Eco Lodges | Cozy log cabins, studio wagons, and apartment | Yes | Day pass ~$28–35 (reservation required) | 88–104 °F | Required |
| Box Canyon Lodge & Hot Springs | San Juan Mountains | Cabins, Ranches & Private Rentals | 39 hotel rooms and suites | No | Included in stay ~$130–250/night | 100–108 °F | Required |
| Conundrum Hot Springs | Central Rockies & San Luis Valley | Wild & Free Natural Springs | No lodging; backcountry tent sites only | No | Free ($6–10 permit required for camping) | 98–102 °F | Optional |
| Cottonwood Hot Springs | Central Rockies & San Luis Valley | Wellness Retreats & Eco Lodges | Cabins, lodge rooms, and campsites | Yes | Day pass ~$30–55 | 94–110 °F | Required |
| Dakota Hot Springs | Front Range | Wellness Retreats & Eco Lodges | RV hookups and tent camping on site | Yes | Day pass ~$15–20 | 95–104 °F | Optional |
| Deer Valley Ranch | Central Rockies & San Luis Valley | Cabins, Ranches & Private Rentals | Cabins and lodge rooms on dude ranch | No | Ranch stay packages with lodging | 90–100 °F | Required |
| Desert Reef Hot Springs | Front Range | Wellness Retreats & Eco Lodges | Tiny homes, A-frames, and rental units on site | Yes | Soaking session ~$25–40 | 98–102 °F | Optional |
| Dunton Hot Springs | San Juan Mountains | Historic Spas & Vapor Caves | Luxury restored 19th-century ghost town cabins | No | Included in stay ~$1,500–2,500/night (All-Inclusive) | 85–106 °F | Required |
| Durango Hot Springs Resort & Spa | San Juan Mountains | Big Resorts & Iconic Pools | No lodging; hotels in Durango, 15 minutes away | Yes | Day pass ~$40–50 | 50–106 °F | Required |
| Eldorado Springs Swimming Pool | Front Range | Town & Family Pools | No lodging; hotels in Boulder | Yes | Day pass ~$15–25 | 76–80 °F | Required |
| Glenwood Hot Springs Resort | Northwest Rockies | Big Resorts & Iconic Pools | Hotel 1888 and Lodge on site | Yes | Day pass ~$42–60 (seasonal pricing) | 52–104 °F | Required |
| Healing Waters Resort & Spa | San Juan Mountains | Historic Spas & Vapor Caves | Hotel, cabins, and RV park on site | Yes | Day pass ~$15–22 | 91–106 °F | Required |
| Hot Sulphur Springs Resort & Spa | Northwest Rockies | Historic Spas & Vapor Caves | Motel rooms and historic cabin on site | Yes | Day pass ~$26–30 | 95–112 °F | Required |
| Indian Hot Springs | Front Range | Historic Spas & Vapor Caves | Historic hotel, lodge rooms, and cabins | Yes | Main pool ~$23–28, caves ~$27–32 | 91–106 °F | Optional |
| Iron Mountain Hot Springs | Northwest Rockies | Big Resorts & Iconic Pools | No lodging; partner hotels nearby | Yes | Select $43–75, Premier $75–125 | 98–108 °F | Required |
| Joyful Journey Hot Springs Spa | Central Rockies & San Luis Valley | Wellness Retreats & Eco Lodges | Hotel rooms, yurts, tipis, RV, and tent sites | Yes | Day pass ~$15–18 | 98–108 °F | Required |
| Merrifield Homestead Cabins & Hot Springs | Central Rockies & San Luis Valley | Cabins, Ranches & Private Rentals | 2 private historic cabins (Merrifield & Cottonwood) | No | Cabin rental ~$250–450/night | 100–106 °F | Private |
| Mount Princeton Hot Springs Resort | Central Rockies & San Luis Valley | Big Resorts & Iconic Pools | Lodges and alpine cabins on site | Yes | Day pass ~$35–45 | 90–108 °F | Required |
| Old Town Hot Springs | Northwest Rockies | Town & Family Pools | No lodging; hotels in Steamboat Springs | Yes | Day pass ~$25–30 | 80–104 °F | Required |
| Orvis Hot Springs | San Juan Mountains | Wellness Retreats & Eco Lodges | Lodge rooms, RV sites, and tent camping on site | Yes | Day pass ~$26–30 | 98–112 °F | Optional |
| Ouray Hot Springs Pool | San Juan Mountains | Town & Family Pools | No lodging; hotels in Ouray | Yes | Day pass ~$18–24 | 78–106 °F | Required |
| Overlook Hot Springs Spa | San Juan Mountains | Historic Spas & Vapor Caves | No lodging; downtown Pagosa hotels nearby | Yes | Day pass ~$24–30 | 96–106 °F | Required |
| Penny Hot Springs | Northwest Rockies | Wild & Free Natural Springs | No lodging; wild roadside pool | No | Free | 100–113 °F | Required |
| Piedra River Hot Springs | San Juan Mountains | Wild & Free Natural Springs | No lodging; wilderness camping nearby | No | Free | 100–106 °F | Optional |
| Radium Hot Springs | Northwest Rockies | Wild & Free Natural Springs | No lodging; BLM campsites nearby | No | Free | 80–95 °F | Optional |
| Rainbow Hot Springs | San Juan Mountains | Wild & Free Natural Springs | No lodging; backcountry wilderness camping | No | Free | 95–105 °F | Optional |
| Rico Hot Springs | San Juan Mountains | Wild & Free Natural Springs | No lodging; unmaintained wild pool | No | Free | 95–102 °F | Optional |
| Salida Hot Springs Aquatic Center | Central Rockies & San Luis Valley | Town & Family Pools | No lodging; hotels in Salida | Yes | Day pass ~$12–16 | 84–100 °F | Required |
| Sand Dunes Swimming Pool & Hot Springs | Central Rockies & San Luis Valley | Town & Family Pools | Rental cabins, RV hookups, and tent camping on site | Yes | Main pool ~$15, Greenhouse (21+) ~$25 | 98–106 °F | Required |
| South Canyon Hot Springs | Northwest Rockies | Wild & Free Natural Springs | No lodging; primitive wild site | No | Free | 100–104 °F | Optional |
| Splashland Hot Springs | Central Rockies & San Luis Valley | Town & Family Pools | No lodging; hotels in Alamosa | Yes | Day pass ~$10–15 | 88–102 °F | Required |
| Strawberry Park Hot Springs | Northwest Rockies | Wellness Retreats & Eco Lodges | Rustic, cabins, covered wagons, train cabooses, campsites | Yes | Day pass ~$20 (Cash only) | 102–104 °F | Optional |
| SunWater Spa | Front Range | Historic Spas & Vapor Caves | No lodging; bed & breakfasts nearby | Yes | Soaking session ~$40–55 (90 minutes) | 100–104 °F | Required |
| The Springs Resort & Spa | San Juan Mountains | Big Resorts & Iconic Pools | Resort hotel with 79+ rooms | Yes | Day pass from $74 | 83–114 °F | Required |
| Treehouse Hot Springs | Central Rockies & San Luis Valley | Cabins, Ranches & Private Rentals | Private 5-bedroom vacation rental home | No | Home rental ~$500–900/night | 100–104 °F | Private |
| Twin Peaks Lodge & Hot Springs | San Juan Mountains | Historic Spas & Vapor Caves | Full-service mountain lodge in downtown Ouray | Yes | Day pass ~$25–35 (free for hotel guests) | 98–106 °F | Required |
| Valley View Hot Springs | Central Rockies & San Luis Valley | Wellness Retreats & Eco Lodges | Eco-cabins, rustic rooms, and extensive campsites | Yes | Day pass ~$17–25 (+ OLT membership) | 93–107 °F | Optional |
| Waunita Hot Springs Ranch | Central Rockies & San Luis Valley | Cabins, Ranches & Private Rentals | Dude ranch lodge rooms and family cabins | No | All-inclusive dude ranch packages | 95–100 °F | Required |
| Wiesbaden Hot Springs Spa | San Juan Mountains | Historic Spas & Vapor Caves | Historic lodge, cottages, and apartments | Yes | Day pass ~$30–40 | 102–109 °F | Optional |
| Yampah Spa & Vapor Caves | Northwest Rockies | Historic Spas & Vapor Caves | No lodging; hotels nearby in Glenwood Springs | Yes | Cave pass ~$24–30 | 110–112 °F | Required |
The most common ways people slice this list — by clothing rules, by cost, by whether you can walk in for the day.
Indian Hot Springs, Wiesbaden Hot Springs Spa, Strawberry Park Hot Springs, Orvis Hot Springs, Valley View Hot Springs, Desert Reef Hot Springs, Dakota Hot Springs, Radium Hot Springs, Conundrum Hot Springs, South Canyon Hot Springs, Rainbow Hot Springs, Piedra River Hot Springs, Rico Hot Springs.
Penny Hot Springs, Radium Hot Springs, South Canyon Hot Springs, Rainbow Hot Springs, Piedra River Hot Springs, Rico Hot Springs.
Mount Princeton Hot Springs Resort, Dunton Hot Springs, Hot Sulphur Springs Resort & Spa, Indian Hot Springs, Healing Waters Resort & Spa, Strawberry Park Hot Springs, Cottonwood Hot Springs, Valley View Hot Springs, Avalanche Ranch Cabins & Hot Springs, Antero Hot Springs Cabins, Waunita Hot Springs Ranch, Merrifield Homestead Cabins & Hot Springs, Deer Valley Ranch, Sand Dunes Swimming Pool & Hot Springs.
Day passes: Glenwood Hot Springs Resort, The Springs Resort & Spa, Iron Mountain Hot Springs, Mount Princeton Hot Springs Resort, Durango Hot Springs Resort & Spa, Hot Sulphur Springs Resort & Spa, Indian Hot Springs, Yampah Spa & Vapor Caves, Overlook Hot Springs Spa, Healing Waters Resort & Spa, Twin Peaks Lodge & Hot Springs, SunWater Spa, Wiesbaden Hot Springs Spa, Strawberry Park Hot Springs, Orvis Hot Springs, Cottonwood Hot Springs, Joyful Journey Hot Springs Spa, Valley View Hot Springs, Desert Reef Hot Springs, Dakota Hot Springs, Avalanche Ranch Cabins & Hot Springs, Old Town Hot Springs, Ouray Hot Springs Pool, Salida Hot Springs Aquatic Center, Eldorado Springs Swimming Pool, Sand Dunes Swimming Pool & Hot Springs, Splashland Hot Springs. Without day passes: Dunton Hot Springs, Box Canyon Lodge & Hot Springs, Antero Hot Springs Cabins, Waunita Hot Springs Ranch, Treehouse Hot Springs, Merrifield Homestead Cabins & Hot Springs, Deer Valley Ranch, Penny Hot Springs, Radium Hot Springs, Conundrum Hot Springs, South Canyon Hot Springs, Rainbow Hot Springs, Piedra River Hot Springs, Rico Hot Springs.
39 of 41 listed destinations are geothermal. The non-geothermal entries are SunWater Spa and Eldorado Springs Swimming Pool.