Alchemy Springs
San Francisco
An urban sauna garden in Lower Nob Hill built around a 40-person communal sauna with immersive sound and lighting, with cold plunge tubs, open-air showers, thermal benches and a fire pit.
More about Alchemy Springs
Sauna and cold plunge sessions run for two hours on set days and evenings, alternating rounds in the big tiered sauna with the plunge tubs and outdoor showers in the garden. The program also includes sound baths, breathwork, yoga and meditation classes, and massage.
Guests must be 18 or older and should bring their own towel, robe and sandals. Sessions are booked ahead through the studio's own ticketing.
At a glance
Alchemy Springs has a Finnish sauna, plus a cold plunge tub. 18+ only and booking required.
- Sauna
- Finnish
- Cold plunge
- Yes
Sauna
- Finnish (dry)Temp not listed
Cold plunge
- Cold plunge tubTemp not listed
- Cold shower or bucketTemp not listed
Before you go
- Booking
- Required
- Minimum age
- 18+
- Towels
- Bring or rent
Getting there
939 Post St, San Francisco, CA, 94109
Frequently asked questions
What kind of sauna does Alchemy Springs have?
Alchemy Springs has a finnish (dry).
Does Alchemy Springs have a cold plunge?
Yes. Alchemy Springs has a cold plunge tub and a cold shower or bucket.
Do you need to book Alchemy Springs in advance?
Yes, Alchemy Springs requires a booking.
Nearby
Onsen SF
0.2 miles away
Kabuki Springs & Spa
0.8 miles away
Imperial Day Spa
0.9 miles away
Reboot Marina
1.3 miles away
SweatHouz The Marina
1.5 miles away
175°F48°F
Sources
- 7x7: Spring wellness in San Francisco, checked October 2026
- The San Francisco Standard: Saunas are suddenly everywhere in the Bay Area, checked October 2026
- ResortPass: Sauna Garden Pass, checked October 2026
- ClassPass: Alchemy Springs, checked October 2026
- Spa Business: Alchemy Springs to unveil new facilities, checked October 2026
We last confirmed Alchemy Springs is open in October 2026. Spotted something out of date?