Spas with thermal pool in California

6 spas match

Archimedes Banya
Bathhouse
San Francisco, California
Adults-only Russian bathhouse in San Francisco's India Basin with steam rooms, cold plunge, rooftop deck and a café, open daily except Tuesday.
$$
Blue Water Day Spa
Day Spa
Napa Valley, California
A boutique day spa in downtown Napa Valley with nine treatment rooms offering massage, facials and body work, plus sauna, steam and a thermal pool.
$$
Glen Ivy Hot Springs
Day Spa
Temescal Valley, California
Adults-only hot springs resort in Temescal Valley with 19 outdoor mineral pools, red clay baths, and a cave-like grotto, open daily 9:30am-5pm.
$$
Signature Day Spa
Day Spa
Carmel-by-the-Sea, California
Upscale day spa in Carmel-by-the-Sea's Golden Rectangle with sauna, steam, cold plunge and thermal pools, open daily from 6:30am.
$$$
Spa Terra
Resort Spa
Napa Valley, California
Adults-only resort spa built into a wine cave in Napa, with a vineyard-view pool, sauna, steam room and hot tub; reservations required.
$$$
The Spa at Vinarosa
Day Spa
Calistoga, California
A 20-treatment hotel day spa in Santa Rosa with an indoor caldarium plunge pool, eucalyptus steam rooms, and walk-in or reserved day passes for adults 18+.
$$$