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Vulcan Hot Springs

4.3

(127 reviews)

Hot Spring
Tested 2026
Free Access
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About This Spring

Vulcan Hot Springs boasts the largest natural hot springs pool in Idaho. This amazing emerald green geothermal pool is damned with wood from the Boise National Forest. The hot springs are found​ ​off of the South Fork Salmon River Valley. This free hot springs is clothing optional.

Vulcan Hot Springs has the largest natural hot springs pool in Idaho. This amazing geothermal pool is damned with wood from the Boise National Forest. The source to the hot springs is 190 degrees. Be very careful. The pool is emerald green and about 30 feet across with a sand and mud bottom. The hot spring is about knee deep and the temperature averages 100-104 degrees.

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  • Open 6:00 AM – 8:00 PM
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GPS Coordinates
  • 44.567233876465366 N,
  • -115.69503379713811W

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