California · United States
Vichy Springs
Carbonated mineral baths and a separate hot pool form the core of this Ukiah resort. Overnight rooms and short day visits provide different ways to use the grounds.
California offers desert retreats, mountain pools and developed mineral-water spas. Seasonal roads and private-property permissions matter. Compare the access notes and current operator information before travelling.
30 venue records in this guide · 1 with a posted bathing-closure notice. Read each place’s admission and access evidence, then confirm current arrangements before travelling.
Wilbur requires confirmed reservations and accepts no walk-ins. Sierra requires advance prepaid booking and a membership arrangement. Vichy offers non-overnight day use. Choose the entry arrangement that fits before comparing a room rate with a short visit.
Wilbur Hot Springs · Sierra Hot Springs · Vichy Springs
www.wilburhotsprings.com ↗ · www.wilburhotsprings.com ↗ · sierrahotsprings.org ↗ · sierrahotsprings.org ↗ · vichysprings.com ↗ · vichysprings.com ↗
Benton’s spring-fed tubs accompany bookable sites and accommodation. That is a different product from shared day bathing. Check what is private, the session or overnight duration, and whether the route remains suitable for your travel date.
Benton Hot Springs · Sierra Hot Springs
www.bentonhotsprings.us ↗ · sierrahotsprings.org ↗ · sierrahotsprings.org ↗
Compare these 6 places by bathing format, admission and booking. Read each venue’s dated access notice and current operator information before choosing a visit.
| Place | Bathing experience | Entry and booking |
|---|---|---|
| El Morocco Inn and SpaCalifornia | Moroccan-inspired lodging surrounds natural hot-mineral-water bathing facilities. Day spa use and overnight soaking are both described by the operator. | Paid entry Book the day pass online or by phone; spa treatments should be reserved ahead. USD, checked 16 October 2026: day pass $50 per person. The day-spa fee is waived with a treatment lasting at least one hour; confirm eligible booking details. Official admission source ↗ · Checked |
| Glen Ivy Hot SpringsCalifornia | Shared open-air mineral pools | Paid entry Use the operator’s admission booking system and choose treatments or activities separately. USD, checked 16 October 2026: basic day admission advertised from $75. Treatments and selected activities are additional; confirm the total for the chosen date. Official admission source ↗ · Checked |
| Lido Palms Resort and SpaCalifornia | Shared indoor and outdoor mineral pools and spas | Paid entry Day passes are offered separately from rooms; contact the resort by phone for group arrangements. Day pass: USD 55 per person. Official admission source ↗ · Checked |
| Mi Kasa Hot SpringsCalifornia | Shared mineral swimming pool and indoor/outdoor hot tubs; Private tubs; separate rental product | Paid entry Reserve the selected weekday or weekend day pass through the operator; no live availability is guaranteed. The operator-linked booking catalogue lists day passes at USD 40 per person Monday–Friday or USD 50 Saturday–Sunday, for access from 9 am to 10 pm. Official admission source ↗ · Checked |
| Indian Springs CalistogaCalifornia | Shared geothermal swimming pool | Paid entry A limited spa-guest pool pass must be booked with the qualifying treatment; no general walk-in pass is established. Pool passes cost USD 50 for eligible day-spa guests booking a 50-minute treatment; the treatment is an additional purchase. Hotel guests have pool access as part of their stay. Passes are limited and blackout dates/restrictions apply. Official admission source ↗ · Checked |
| Roman Spa Hot SpringsCalifornia | Shared mineral pools | Paid entry Reserve the private spa treatment in advance; confirm shared-pool eligibility and charges separately. The private mineral-bath treatment is USD 110 per person, with a 20% gratuity charge added. Its duration and any tax are not stated on the menu. A separate pool-pass price remains unconfirmed. Official admission source ↗ · Checked |
California · United States
Carbonated mineral baths and a separate hot pool form the core of this Ukiah resort. Overnight rooms and short day visits provide different ways to use the grounds.
California · United States
This Sierraville retreat combines a domed hot pool with outdoor soaking areas. Private Phoenix tubs are refreshed between visitors.
California · United States
An off-grid retreat places mineral-water bathing within a large nature preserve. Day visitors and overnight guests share a quiet, clothing-optional soaking environment.
California · United States
Private spring-fed tubs accompany campsites and lodging in the historic settlement of Benton. Visitors can choose an inn room or an overnight tub site in a desert setting.
California · United States
An urban Los Angeles spa uses naturally warm artesian mineral water. The bathing circuit pairs a hot pool with a cold plunge and steam or sauna facilities.
California · United States
Three mineral-water pools sit at the centre of this Desert Hot Springs property. The geothermal supply is cooled before entering the bathing pools.
California · United States
Private open-air tubs occupy the wooded hillside of this Avila Valley resort. Hotel rooms offer another option through their own mineral-water tubs.
California · United States
A rustic retreat offers several spring-fed pools and overnight accommodation. Its main bathing areas include quiet meditation spaces as well as pools for conversation.
California · United States
Geothermal mineral pools and mud-bath treatments are paired with retro-inspired lodging. The property is part of downtown Calistoga’s spa district.
California · United States
This open-air day spa combines mineral hot springs with pools and body treatments. Club Mud is a separate clay-treatment experience.
California · United States
Mineral water from an underground aquifer supplies this spa property. Mud baths and pool access are among its offerings.
California · United States
A historic large mineral pool is supplied with geothermal water. Mud-bath treatments and resort lodging accompany the pool.
California · United States
Three mineral pools form the hotel’s soaking experience. Selected casitas also provide private tubs.
California · United States
Geothermal mineral pools are arranged across a developed resort. Family and adults-only soaking areas provide different settings.
California · United States
Artesian thermal mineral water fills private and semi-private tubs. Outdoor soaking looks toward the surrounding hills.
California · United States
A desert soaking garden features flowing mineral-water tubs. Some rooms offer their own mineral baths.
California · United States
Three mineral pools are supplied by a naturally hot well. A small room collection gives the property an intimate overnight setting.
California · United States
Moroccan-inspired lodging surrounds natural hot-mineral-water bathing facilities. Day spa use and overnight soaking are both described by the operator.
California · United States
Thermal mineral water flows through a hot pool and then a warm pool at this small hotel. The property sits on Miracle Hill.
California · United States
Two mineral-water hot tubs and a larger mineral pool accompany this Italian-inspired hotel. Different pool temperatures support swimming and soaking.
California · United States
Natural hot spring water supplies indoor and outdoor mineral bathing facilities. The small hotel also advertises day passes.
California · United States
A mineral pool and several hot tubs serve this clothing-optional property. Overnight stays include round-the-clock hot-springs access.
California · United States
Natural hot springs anchor this remote Zen practice center. Bathing access is tied to the center’s guest and practice programs.
California · United States
A clothing-optional hot-springs resort occupies the headwaters of Big River. Day visits and overnight accommodation can be booked.
California · United States
Thermal-water soaking is included with the property’s day and overnight stays. Cabins, RV spaces and camping provide accommodation options.
California · United States
Two hot-spring mineral pools accompany retro-style lodging and Moonacre Spa.
California · United States
Four outdoor geothermal pools accompany spa facilities near downtown.
California · United States
On-site mineral pools provide a geothermal soaking stay in Calistoga.
California · United States
A geothermal mineral pool serves this northern Calistoga lodging property.
California · United States
This smaller hot-springs property offers cottage accommodation in a residential setting.
Our California collection includes 0 natural-setting locations and 30 developed pools or resorts. Development type and entry fee are separate facts. Use the individual guides for specific access restrictions and reservation notes.
More hot springs in United States →