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Resort & lodging

Roman Spa Hot Springs Resort

  • Overnight guests
  • 92–103°F
  • 1 hr 33 min from San Francisco

A downtown Calistoga hotel with three soaking pools filled with geothermal water from the resort's own wells: a large outdoor pool at about 92-96°F, an outdoor jetted hot tub at 103°F and an indoor jetted pool at 100°F. The Baths at Roman Spa offers mud baths made with geothermal water, volcanic ash and peat. Pools are soaking-only, with no diving or splash games.

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✓ Verified November 2026
Stucco spa building with palms and a vintage car at dusk at Roman Spa Hot Springs Resort, Calistoga, California
Photo: Roman Spa Hot Springs Resort
Price
Overnight guests
Water
92–103°F
Nearest town
Calistoga
From San Francisco
1 hr 33 min
Reservations
Check venue

Plan your visit

Hours & season

Hours
  • Pools daily 8am-10pm (until midnight on New Year's Eve)
  • Spa daily 9am-5pm
SeasonOpen year-round

Tickets & booking

Price
  • Pools included for hotel guests
  • With a 45+ min spa treatment, pool access is offered Sun-Fri for an extra charge
  • Mud bath $145 weekdays, $150 weekends
AccessOvernight guests only
Booking
  • Book spa treatments ahead
  • The pool add-on for day spa guests is Sun-Fri only, with conditions confirmed at booking

Rules

Ages
  • No children under 4 in the pools or gated pool area
  • Over-4s with an adult in the large and indoor pools
  • Spa services 18+
DogsNo

On site

Pools3
LodgingYes

Not stated by the venue: swimwear, camping nearby.

Water temperature

Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.

Mineral profile

Total dissolved minerals

676 mg/L

Moderately mineralized · Sodium–chloride (salty, brine-like water)

Sodium184 mg/L
Calcium5.1 mg/L
Magnesium0.28 mg/L
Potassium8.3 mg/L
Chloride192 mg/L
Sulfate1.1 mg/L
Silica161 mg/L
pH
7.6
Temp at source
145°F
Lithium
1.5 mg/L
Fluoride
9.3 mg/L
Boron
10.5 mg/L
Iron
0.02 mg/L

Lab analysis of the source water at a USGS sampling site, 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

PoolTempSetting
Large outdoor poolTemperature varies by season.92–96°FOutdoor
Outdoor jetted hot tub103°FOutdoor
Indoor jetted pool100°FIndoor

As published by the venue. Temperatures shift with the seasons and the weather.

Facilities

  • Massage: yes
Accessibility
  • Partly accessible
  • Pool entrance is accessible
  • Accessible rooms with grab bars
  • No pool lift mentioned
SmokingNot allowed
Good to know
  • Soaking only: no jumping, splashing or diving
  • Smoke-free resort
  • Service dogs only

What's here

  • three pools of 100% geothermal water
  • indoor jetted pool
  • outdoor jetted hot tub
  • Baths at Roman Spa
  • mud baths with volcanic ash and peat
  • mineral baths
  • massage
  • BBQ area
  • free Calistoga shuttle

Getting there

  • From San Francisco1 hr 33 min75 mi
  • From Santa Rosa30 min17 mi
  • From Santa Rosa (STS)34 min19 mi

Typical driving time without traffic or snow.

Road
  • Paved road
  • On Washington Street in downtown Calistoga
Parking
  • Free self-parking for hotel and day spa guests
  • Public lot across the street

Things to do near Calistoga

attraction

Old Faithful Geyser of California

Privately run geyser that erupts at regular intervals, about 2 miles north of downtown Calistoga.

park

Robert Louis Stevenson State Park

Mount St. Helena trails north of Calistoga, including the summit route.

park

Bothe-Napa Valley State Park

Redwood and oak trails plus a campground between Calistoga and St. Helena.

Nearby springs

Lap pool and lounge chairs with Napa Valley hills behind at Calistoga Spa Hot Springs, Calistoga, California
Resort & lodging

Calistoga Spa Hot Springs

Calistoga, CA

A downtown Calistoga resort built around four outdoor pools filled with geothermal mineral water from a well beneath the property, ranging from about 80 to 104°F. The covered, jetted octagonal Jet Pool is adults only. Pools are for room guests and people booking spa treatments, which include traditional volcanic ash mud baths.

Minerals646 mg/LSodium–chloride · lithium · high silica
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Overhead view of a swimmer in the mineral pool at Dr. Wilkinson's Backyard Resort & Mineral Springs, Calistoga, California
Resort & lodging

Dr. Wilkinson's Backyard Resort & Mineral Springs

Calistoga, CA

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.

Minerals676 mg/LSodium–chloride · lithium · high silica
From $90View
Guests relaxing in volcanic ash mud baths at Golden Haven Hot Springs Spa and Resort, Calistoga, California
Resort & lodging

Golden Haven Hot Springs Spa and Resort

Calistoga, CA

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.

Minerals668 mg/LSodium–chloride · lithium · high silica
Overnight guestsView

Calistoga Spa Hot Springs: 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.

  1. Official site: home
  2. Official site: Faqs
  3. Official site: Amenities
  4. Official site: Spa
  5. Official site: Spa menu