Solage, Auberge Resorts Collection
- From $225
- 50–104°F
- 1 hr 34 min from San Francisco
A resort on the Silverado Trail whose Spa Solage Bathhouse has five geothermal pools, from a 50-55°F cold plunge and an ambient magnesium pool to a 98°F relaxation pool and two jetted pools at 102-104°F. The signature Mudslide pairs a mud treatment with a private geothermal soak. The spa is 18+; non-guests can buy a Bathhouse Access Pass.
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✓ Verified November 2026
- Price
- From $225
- Water
- 50–104°F
- Nearest town
- Calistoga
- From San Francisco
- 1 hr 34 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Season | Open year-round |
|---|
Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking |
|
Rules
| Swimwear |
|
|---|---|
| Ages | Spa Solage is for ages 18 and over |
On site
| Pools | 5 |
|---|---|
| Lodging | Yes |
Not stated by the venue: dogs.
Water temperature
Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.
Mineral profile
Total dissolved minerals
646 mg/L
Moderately mineralized · Sodium–chloride (salty, brine-like water)
- pH
- 7.8
- Temp at source
- 178°F
- Lithium
- 1.9 mg/L
- Fluoride
- 10 mg/L
- Boron
- 9.5 mg/L
- Iron
- 0.03 mg/L
Lab analysis of the source water at a USGS sampling site (0.5 mi from Solage, Auberge Resorts Collection), sampled 2004–2007 by the USGS and partners (data). Pool water may be cooled, mixed or treated, and spring chemistry is generally stable over decades. We report measurements only; we don't make health claims.
The pools
| Pool | Temp |
|---|---|
| Cold plungecold | 50–55°F |
| Magnesium poolAmbient-temperature, magnesium-rich pool. | — |
| Relaxation poolLarge pool. | 98°F |
| Jetted saline pool | 102–104°F |
| Jetted mineral pool | 102–104°F |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- Changing rooms: yes
- Lockers: yes
- Food on site: yes
- Massage: yes
- Sauna: yes
| Bring your own alcohol | Not allowed |
|---|---|
| Good to know |
|
What's here
- Bathhouse with five geothermal pools
- 98F relaxation pool
- jetted mineral and saline pools at 102-104F
- 50-55F cold plunge
- Mudslide signature mud treatment
- steam room and sauna
- fitness center
- Solbar restaurant
Getting there
- From San Francisco1 hr 34 min75 mi
- From Santa Rosa32 min18 mi
- From Santa Rosa (STS)36 min20 mi
Typical driving time without traffic or snow.
| Elevation | 362 ft |
|---|---|
| Road |
|
Things to do near Calistoga
Old Faithful Geyser of California
Privately run geyser that erupts at regular intervals, about 2 miles north of downtown Calistoga.
Robert Louis Stevenson State Park
Mount St. Helena trails north of Calistoga, including the summit route.
Bothe-Napa Valley State Park
Redwood and oak trails plus a campground between Calistoga and St. Helena.
Nearby springs
Calistoga Motor Lodge and Spa
A retro-styled motor lodge at the north end of Lincoln Avenue, now part of JdV by Hyatt, with outdoor pools and a hot tub filled with mineral water from Calistoga's geothermal springs. MoonAcre Spa on site offers mud baths and massage. Day passes are sold through ResortPass.
Dr. Wilkinson's Backyard Resort & Mineral Springs
Calistoga's resort and spa running since 1952 on Lincoln Avenue, with three geothermal mineral pools, one indoor and two outdoor, set at about 85, 95 and 104°F. The 104°F Hot Spring is adults only. Day visitors can buy pool passes, daybeds and cabanas through ResortPass, and the spa still offers its original mud bath, The Works.
Indian Springs Calistoga
A historic Calistoga resort whose Olympic-size Main Pool, built in 1913, is fed by mineral water from on-site geysers that surfaces around 230°F and is cooled in reservoirs. A smaller Adult Pool sits next door and runs about ten degrees cooler than the Main Pool. Hotel guests use the pools; day visitors need a spa booking plus a pool pass.
Calistoga Motor Lodge and Spa: 0 mi · Dr. Wilkinson's Backyard Resort & Mineral Springs: 0 mi · Indian Springs Calistoga: 0 mi
Sources (6)
· checked November 2026
Prices, hours and rules are checked against the official site and land-agency pages. Spot something out of date? Let us know.