Avila Hot Springs, San Luis Obispo

Azure Palm Hot Springs, Palm Springs

Bashford Hot Springs, Neland

Benton Hot Springs

Beverly Hot Springs , Los Angeles

Calistoga

Desert Hot Springs

Drakesbad Guest Ranch, Lassen Volcanic Park

Esalen, Big Sur

Fountain of Youth Spa

Glamis North Hot Springs, Niland

Glen Ivy Hot Springs

Grover Hot Springs State Park, Markleeville

Harbin Hot Springs

Hot Creek Ranch

Jacumba Hot Springs

Keough's Hot Springs

Mercey Hot Springs

Mono County Hot Springs

Morton's Warm Springs Glen Ellen

The Oasis at Death Valley

Orr Hot Springs, Ukiah

River Oaks Hot Springs, Paso Robles

Sun Stone Spa, Palm Springs

Saratoga Springs

Sierra Hot Springs

Sky Valley Hot Springs Resort

Sonoma Mission Inn

Stewart Mineral Springs

Surprise Valley Hot Springs

Sycamore Mineral Springs Resort

Sykes Hot Springs

Tecopa Hot Springs

The Spa at Séc-he, Palm Springs

Vichy Springs

The Spa at Warner Springs

White Sulphur Springs Retreat center

Wilbur Hot Springs