Washington, Oregon & northern California
18 natural hot springs and 12 commercial spas in the Cascade Range.
The Cascade volcanic arc runs from Mount Baker down through Oregon into northern California. Geothermally heated springs surface near its stratovolcanoes, often at the end of a hike through old-growth forest.
Baker Hot SpringsWhatcom County48.762, -121.673Gamma Hot SpringsSnohomish County48.153, -121.064Garland Mineral SpringsSnohomish County47.889, -121.343Goldmyer Hot SpringsKing County47.482, -121.384Ohanapecosh Hot SpringsLewis County46.737, -121.563Scenic Hot SpringsKing County47.709, -121.138Sulphur Creek Hot SpringsSnohomish County48.255, -121.182Bonneville Hot Springs Resort & SpaspaSkamania County · near North Bonneville45.656, -121.960Carson Hot Springs Golf & Spa ResortspaSkamania County45.729, -121.798The Gorge Onsen SpaspaSkamania County · near Prindle★ 5.0 · 4 reviewsThe Gorge Onsen SpaspaSkamania County · near Prindle45.587, -122.160Warm Springs Inn & WineryspaChelan County · near West Wenatchee47.476, -120.376
Oregon11
Bigelow Hot SpringLane County44.239, -122.059McCredie Hot Springs - North BankLane County43.706, -122.288McCredie Hot Springs - South BankLane County43.705, -122.288Paulina Hot SpringsDeschutes County43.730, -121.247Umpqua Hot SpringsDouglas County43.297, -122.364Bagby Hot SpringsspaClackamas County44.935, -122.174Belknap Hot Springs, Lodge and Gardens.spaLane County44.192, -122.051East Lake Hot SpringsspaDeschutes County43.719, -121.206Hot SpringsspaKlamath County · near Hot Springs42.115, -121.286Paulina Lake Hot Springs TrailheadspaDeschutes County43.718, -121.242Summer Lake Hot SpringsspaLake County42.725, -120.648
Big BoilerShasta County40.458, -121.502Drakesbad Hot SpringsPlumas County40.442, -121.404Pyrite PoolShasta County40.457, -121.500Sulphur SpringsSiskiyou County41.409, -122.196Terminal GeyserPlumas County40.421, -121.377Turquoise PoolShasta County40.458, -121.501Feather River Hot SpringsspaPlumas County · near Feather River Hot Springs40.020, -121.034