Soak It Up: The 14 Best Hot Springs in the Western US
Discover the top 14 hot springs across the western United States, from luxury resorts to hidden natural pools for every traveler.
Every adventurer dreams of immersing themselves in naturally heated waters, especially after a day spent outdoors in the rugged beauty of the western United States. From luxurious resorts centered around mineral-rich pools to remote wild springs accessible only by hiking, snowmobile, or even dogsled, the region boasts some of the finest hot springs in the country. Whether you’re seeking a peaceful wellness experience or a lively social atmosphere, the following guide offers the essential details of the best hot springs in the western US — 14 destinations you won’t want to miss.
Why Hot Springs?
- Natural wellness: Mineral-rich geothermal water offers therapeutic benefits for muscles and stress relief.
- Scenic settings: Hot springs are often surrounded by stunning landscapes, from mountain peaks to flowing rivers.
- Unique activities: Many springs feature extra activities, including hiking, wildlife viewing, and even scuba diving.
- Diverse experiences: Options range from family-friendly resorts to wild pools accessible only on foot.
1. Iron Mountain Hot Springs, Colorado
Location: Glenwood Springs, Colorado
Water temperature: 96 to 108°F
Getting there: Drive 180 miles west from Denver along Interstate 70 through the Rockies.
Iron Mountain Hot Springs, perched above the Colorado River in Glenwood Springs, provides a surprisingly intimate atmosphere compared to its nearby neighbor, the vast Glenwood Hot Springs Resort. With 16 distinct geothermal mineral pools (ages 5+), all connected by heated walkways, guests can choose their soak based on preferred temperature. The property’s pools are completely fed from onsite springs, free from chemical additives. The Mother Lode, the hottest pool, can reach up to 108°F, while reflexology pools feature smooth stones underfoot for added relaxation. Infinity-edge pools like Garnet and Diamond offer panoramic river views, enhancing the sense of immersion in nature.
Planning tip: Visit on a weekday at 9am to enjoy the most tranquil, crowd-free experience.
2. Homestead Crater, Utah
Location: Midway, Utah
Water temperature: 90 to 96°F
Getting there: Less than an hour (51 miles) southeast from Salt Lake City.
Homestead Crater offers one of the most unusual hot spring experiences in the West. Located inside a beehive-shaped limestone dome, you can float, scuba dive (for certified divers), snorkel, or try SUP yoga in womb-like geothermal waters. The crater is naturally rich in calcium and sodium bicarbonate, believed to promote muscle relaxation. A hole in the top of the dome lets in sunlight and fresh air, creating ethereal conditions for photography.
Planning tip: For prime photos, visit in spring or summer when reduced steam maximizes visibility inside the dome.
3. Castle Hot Springs, Arizona
Location: 50 miles northwest of Phoenix, Arizona
Water temperature: 106 to 120°F (varied pools)
Dating back to the late 1800s, Castle Hot Springs combines history, luxury, and natural healing. After restoration, the resort offers three terraced pools of mineral water set against dramatic canyon scenery. Guests can also enjoy spa services, yoga, farm-to-table dining, guided hikes, and a tranquil escape from the desert heat. Each pool features a distinct mineral composition, benefiting both skin and wellness.
Planning tip: Advance reservations are required; plan a multi-night stay to experience all amenities.
4. Travertine Hot Springs, California
Location: Near Bridgeport, California
Water temperature: 100 to 130°F
Situated on the edge of the Sierra Nevada, Travertine Hot Springs is renowned for its rustic pools surrounded by striking mineral formations. The pools range in temperature, allowing visitors to choose their ideal soak. With panoramic views of snow-capped mountains, this is a favorite spot for photographers and off-the-grid travelers.
Planning tip: Arrive early to avoid crowds and bring plenty of water, as the site provides minimal amenities.
5. Dunton Hot Springs, Colorado
Location: San Juan Mountains, Colorado
Water temperature: About 105°F
This luxurious resort is set in a meticulously restored former mining town. Guests can dip in a range of hot springs – indoors, outdoors, or even in a romantic riverside pool. The springs contain high levels of dissolved minerals, promising restorative benefits. Dunton specializes in an exclusive, all-inclusive experience complete with gourmet meals and cabin accommodations.
Planning tip: Book well in advance, especially during peak season.
6. Goldbug Hot Springs, Idaho
Location: Salmon-Challis National Forest, Idaho
Water temperature: 110°F (varies by pool)
Goldbug Hot Springs is a hiking-lover’s paradise, reached via a moderate 2-mile trail through dramatic canyons. Multiple tiered pools offer flexible soaking options and breathtaking wilderness views. This remote spot is ideal for those in search of tranquility and wild beauty.
Planning tip: Pack out everything you bring in, and beware of slippery rocks near the pools.
7. Hot Springs State Park, Wyoming
Location: Thermopolis, Wyoming
Water temperature: 104°F (State Bath House)
Getting there: 1.5 hours southeast of Cody, Wyoming
Hot Springs State Park offers free admission to indoor and outdoor mineral pools at the Wyoming State Bath House. Water rises at 128°F and is cooled for safe soaking. The park also features scenic Big Horn River views and a managed bison herd for wildlife enthusiasts.
Planning tip: Stop by Ava’s Silver and Rock Shop for local minerals and fossils at reasonable prices.
8. Chena Hot Springs, Alaska
Location: 60 miles northeast of Fairbanks, Alaska
Water temperature: 106°F
Surrounded by Alaska’s wilderness, Chena Hot Springs draws both locals and adventurous travelers. With amenities including an indoor swimming pool, outdoor rock lake, aurora viewing opportunities, and even an ice museum, it’s possible to experience geothermal comfort in subzero temperatures.
Planning tip: Visit during winter for a chance to see the Northern Lights reflecting off the hot springs’ surface.
9. Bagby Hot Springs, Oregon
Location: Mount Hood National Forest, Oregon
Water temperature: Varies per pool
Hidden among towering old-growth forest, Bagby Hot Springs is a rustic collection of private soaking tubs and communal pools tapped directly from natural spring sources. The springs are accessed via a 1.5-mile trail, making them popular among hikers and backpackers.
Planning tip: Bring cash for the nominal entry fee and arrive early to secure a tub during busy weekends.
10. Umpqua Hot Springs, Oregon
Location: Umpqua National Forest, Oregon
Water temperature: Around 110°F
Overlooking the North Umpqua River, these terraced, rustic pools are perched on a forested hillside. They are a favorite for those seeking a natural Wild West soaking experience. The pools offer excellent views and the chance for tranquil connection with nature.
Planning tip: Trails can be slippery during rain, so sturdy footwear is recommended.
11. Sycamore Mineral Springs Resort, California
Location: Avila Beach, Central California
Water temperature: 101°F (average)
Sycamore Mineral Springs Resort melds relaxation with natural beauty, offering hillside mineral water tubs, private hot tubs, and spa services amid lush, coastal landscapes. Guests can book time in outdoor tubs surrounded by trees or explore nearby hiking trails.
Planning tip: Book ahead for peak weekends or holidays.
12. Steamboat Springs & Strawberry Park, Colorado
Location: Near Steamboat Springs, Colorado
Water temperature: Around 104°F
Strawberry Park Hot Springs boasts rustic pools set among beautiful forests and rivers. It offers both natural stone pools and covered tubs, with options for overnight cabin stays. Nearby Steamboat Springs also operates public pools and waterparks popular among families.
Planning tip: Winter visits can include snowy nighttime soaks amidst fire pits and lanterns.
13. Ojo Caliente Mineral Springs Resort & Spa, New Mexico
Location: Between Santa Fe and Taos, New Mexico
Water temperature: 98 to 104°F
Ojo Caliente is one of only a few resorts globally with naturally-occurring pools rich in four distinct minerals: lithia, iron, arsenic, and soda. Historic adobe buildings, tranquil gardens, massages, and yoga classes make this an all-in-one wellness retreat.
Planning tip: Reserve accommodations ahead of time during high season.
14. Hot Springs National Park, Arkansas (Bonus)
Location: Hot Springs, Arkansas
Water temperature: Average 143°F at source, cooled for bathing
The springs here flow from the Ouachita Mountains and have drawn guests for centuries. The bathhouses along Bathhouse Row reflect early 20th-century opulence and still offer public mineral baths. Nearby attractions include hiking trails, gardens, and historic museums.
Planning tip: Many bathhouses require reservations, so plan ahead for a traditional soak.
How to Choose Your Hot Spring Experience
| Hot Spring | Best For | Access Type | Amenities |
|---|---|---|---|
| Iron Mountain Hot Springs | Family-friendly, river views | Resort | Multiple pools, heated walkways, spa |
| Homestead Crater | Adventure, scuba/SUP yoga | Resort | Diving, yoga, unique dome |
| Goldbug Hot Springs | Wild bathing, hiking | Remote hike-in | Natural pools, views |
| Hot Springs State Park | Free entry, wildlife | Public park | Indoor/outdoor pools, bison herd |
| Dunton Hot Springs | Luxury, history | Exclusive resort | Cabin stays, gourmet dining |
Frequently Asked Questions (FAQs)
Q: Are all hot springs open year-round?
A: Most developed hot springs resorts are open year-round, but remote springs may close or become inaccessible due to snow, flooding, or road conditions. Always check local information before travel.
Q: Is it safe to bathe in natural hot springs?
A: Generally, yes. However, pay attention to posted signs regarding water temperature, water quality, and etiquette. Some pools may be too hot or contain bacteria; showering after your soak is recommended.
Q: Do I need reservations?
A: Many resorts and popular springs require or strongly recommend reservations, especially for private tubs or overnight stays. Remote springs are typically first-come, first-served.
Q: What should I bring?
A: Essentials include swimsuits, towels, drinking water, sandals for walkways, and cash for fees. For wild springs, pack out trash, bring sturdy shoes and prepare for changing weather.
Q: Can children soak in hot springs?
A: It depends on the site. Several resorts have age minimums (often 5+) for soaking pools due to water temperature and safety. Always confirm policies at your chosen destination.
Tips for Hot Springs Etiquette & Safety
- Respect posted rules and quiet hours.
- Shower before soaking to preserve water purity.
- Limit soak time in very hot pools to 10–15 minutes.
- Do not add soap, shampoo, or other chemicals to natural pools.
- Leave wildlife undisturbed and pack out all trash.
Conclusion: Wellness, Scenery, and Adventure Await
Whether you prefer a plush resort experience or the simplicity of a wild spring, the western US offers hot springs to suit every style. With careful planning, respect for environments, and an open sense of adventure, your visit to one of these spectacular hot springs will leave you rejuvenated and inspired. Now, grab your swimsuit, check travel conditions, and embark on a journey where the journey and the soak are equally unforgettable.
