Wikimedi'Òc

BumpassHell 8328.jpg - Wsiegmund

JetOnSalineValley.jpg - Traveling12feet

Little-hot-creek.jpg - Eeekster

Sulpher Works in Lassen VNP-750px.JPG - Sylfred1977

Geothermal areas in Lassen area.gif - Gemini1980

Wilbur Springs CA 3604.jpg - Stepheng3

California - Monterey - NARA - 543437.jpg - US National Archives bot

Saline Valley Hot Springs, HDR (4619225699).jpg - File Upload Bot (Magnus Manske)

Saline Valley Hot Springs (4619183655).jpg - File Upload Bot (Magnus Manske)

Warner's hot springs, "Agua Caliente", ca.1900 (CHS-744).jpg - Fæ

San Luis brochure.tiff - Tillman

Paso Robles hot springs.tiff - Tillman

Harbin Hot Springs.png - Aymatth2

EsalenInstitute-aerial-DSC 7224.jpg - Jw4nvc

Slates Hot Springs - fileDSC 5788-w.jpg - Tillman

Hilltop-hot-spring-2015.jpg - Eeekster

Bumpass Hell, Lassen Volcanic National Park, California (23320555385).jpg - INeverCry

Witches' Cauldron, Geyser Springs, Cal (NYPL b11707257-G89F315 001F).tiff - Fæ

Witches' Cauldron and Devil's Pulpit, Sonoma County, Cal (NYPL b11707257-G89F315 002F).tiff - Fæ

The Devil's Laboratory, Punch Bowl and Ink Stand, Geyser Springs, Cal (NYPL b11707257-G89F315 007F).tiff - Fæ

Witches' Cauldron, Geyser Springs, Cal (NYPL b11707257-G89F315 011F).tiff - Fæ

Witches' Cauldron, Sonoma County, Cal (NYPL b11707255-G89F313 003F).tiff - Fæ

Witches' Cauldron, Sonoma County, Cal (NYPL b11707255-G89F313 004F).tiff - Fæ

Witches' Cauldron, Sonoma County, Cal (NYPL b11707255-G89F313 005F).tiff - Fæ

Witches' Cauldron & Devil's Pulpit (NYPL b11707255-G89F313 006F).tiff - Fæ

Falies Hot Springs California by D Ramey Logan.jpg - WPPilot

Mercey Hot Springs - panoramio.jpg - Panoramio upload bot

Sykes Hot Springs, United States (Unsplash).jpg - Fæ

Deep Creek Hot Springs 06.jpg - LeviMeirClancy

Deep Creek Hot Springs 07.jpg - LeviMeirClancy

Deep Creek Hot Springs 08.jpg - LeviMeirClancy

Willett Hot Spring Sespe Wilderness.jpg - Innotata

Willett Hot Spring Sespe Wilderness 02.jpg - Innotata

Blue Hot Spring.jpg - Tokyobosch

Orange Cuts.jpg - Tokyobosch

Salts.jpg - Tokyobosch

Dirty Socks Hot Spring.jpg - Eeekster

Hot Springs in California - 2012-03-15.jpg - GeoWriter

Travertine Hot Springs (5113679437).jpg - Netherzone

Paso Robles Hot Springs; the great hot springs resort of America, one wonder, California (IA pasorobleshotspr00sout).pdf - Fæ

Lassen Volcanic National Park in February 2022-3210.jpg - Frank Schulenburg

Hot spring (Hot Creek Gorge, Long Valley Caldera, California, USA) 34.jpg - Ser Amantio di Nicolao

Encino Spring old bathhouse, prior to 1920.png - Netherzone

El Encino Springs collection pond in 1901.png - Netherzone

Guests at Black Sulphur Springs, Gilman's Relief Hot Springs.png - Netherzone

Montecito Hot Springs Hotel in 1877.jpg - Netherzone

Byron Hot Springs, pre 1905.jpg - Netherzone

Byron Hot Springs brochure, c. 1878.png - Netherzone

Sulphur Spring on Kaiser Creek.png - Peter J. Caprio

Paso Robles Hot Springs; llustration.jpg - Netherzone