UpValley Inn & Hot Springs
- From $62
- 1 hr 34 min from San Francisco
A Lincoln Avenue hotel, formerly a Comfort Inn, whose outdoor swimming pool and whirlpool are filled with mineral water from its own geothermal well. A cedar dry sauna and steam room are included with the pool. Non-guests can buy a day pass through ResortPass.
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✓ Verified November 2026
- Price
- From $62
- 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
| Ages | ResortPass sells child passes for ages 3-12 |
|---|
On site
| Pools | 2 |
|---|---|
| Lodging | Yes |
Not stated by the venue: swimwear, dogs.
Water temperature
This venue doesn't publish pool temperatures.
Mineral profile
Total dissolved minerals
668 mg/L
Moderately mineralized · Sodium–chloride (salty, brine-like water)
- pH
- 7.35
- Temp at source
- 147°F
- Lithium
- 1.4 mg/L
- Fluoride
- 10.2 mg/L
- Boron
- 10.8 mg/L
- Iron
- 0.27 mg/L
Lab analysis of the source water at a USGS sampling site (0.2 mi from UpValley Inn & Hot Springs), 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 |
|---|---|
| Mineral pool | — |
| Mineral whirlpool | — |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- Towels included: yes
- Sauna: yes
| Glass containers | Not allowed |
|---|---|
| Good to know | Visit Calistoga says no glassware in the pool area |
What's here
- outdoor mineral pool
- outdoor mineral whirlpool
- cedar dry sauna
- steam room
- on-site geothermal well
- Ascend Hotel Collection
Getting there
- From San Francisco1 hr 34 min75 mi
- From Santa Rosa31 min17 mi
- From Santa Rosa (STS)34 min20 mi
Typical driving time without traffic or snow.
| Elevation | 371 ft |
|---|---|
| Road |
|
| Parking | Free self-parking for day-pass holders |
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.
Golden Haven Hot Springs Spa and Resort
A family-owned spa and lodge on a residential street near downtown Calistoga, using mineral water from a geothermal aquifer beneath the property. Its gated, partly covered pool runs about 85-88°F, with two adjoining hot spas at 98-100°F and 102-104°F. There is no day use; the pool comes with a stay or any spa treatment, including shared couples mud baths.
Calistoga Motor Lodge and Spa: 0 mi · Dr. Wilkinson's Backyard Resort & Mineral Springs: 0 mi · Golden Haven Hot Springs Spa and Resort: 0 mi
Sources (5)
· 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.