Palm Springs, California
Adults-only hot springs resort on Miracle Hill in Desert Hot Springs with private mineral tubs, a Finnish sauna, salt room and 35 spa treatments.
$$$
Hot Springs
Natural geothermal springs with bathing facilities.
7 spas match
Baths At Romans Spa
Hot SpringsCalistoga, California
A moderate-priced resort spa in Calistoga with geothermal mineral pools, open daily 9am-5pm and offering day passes to the public.
$$Glen Ivy Hot Springs
Day SpaTemescal 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.
$$Golden Haven Spa
Hot SpringsCalistoga, California
A Calistoga hot springs spa built around mud baths, with private couples rooms and mineral pools open daily from 8am to 11pm.
$$Terme di Saturnia Spa & Golf Resort
Hot SpringsTuscany
A five-star resort in the Tuscan countryside built around a natural thermal spring, with day passes from €39 for outdoor thermal pools, hydromassage circuits
$Calistoga, California
A 1952 Calistoga hot springs resort with three mineral pools at 85, 95 and 104°F, mud baths, overnight rooms and a day-pass option.
$$$Indian Springs Calistoga
Hot SpringsCalistoga, California
A historic hot-springs resort in Calistoga with an early-1900s mineral pool, mud baths, and a public restaurant, but spa access is limited to hotel guests.
$$$$
