Lava Hot Springs is formed from hot water bubbling out of natural underground springs. This water is full of minerals, but has no sulfur and no bad odor. Over 2.5 million gallons of this hot water channel through the hot springs each day. It is redirected into the Portneuf River keeping the springs clean and ever changing. The springs temperatures range from about 102˚ to 110˚.



  • Open 363 Days a year! Hot Pool Hours and Rates HERE
  • No chemicals, no sulfer, no odor
  • Five outdoor gravel bottom pools
  • Pure, all natural mineral water
  • Natural temperature 102˚ to 11o˚
  • Non Smoking Facility
  • Sunken Gardens

Directions From Rexburg:

  1. Get on US-20 W from ID-33 W
  2. Follow US-20 W and I-15 S to US-30 E in Bannock County. Take exit 47 from I-15 S
  3. Follow US-30 E to N Center St in Lava Hot Springs
  4. Lava Hot Springs Inn 94 Portneuf Street, Lava Hot Springs, ID 83246
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