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.
$$
Spas with pool
3 spas match
Terme di Saturnia Spa & Golf Resort
Hot SpringsTuscany
A five-star resort in the Tuscan countryside built around a natural thermal spring, with day passes from €39 for outdoor thermal pools, hydromassage circuits
$Two Bunch Palms
Hot SpringsPalm Springs, California
A hotel-guests-only desert resort in Desert Hot Springs built around natural mineral hot spring pools, with spa treatments and overnight stays.
$$$$
