
About Lava’s Hot Springs
When it’s time to relax, immerse yourself in Lava’s world famous natural hot springs. Bubbling out of natural underground springs, these hot springs are laden with minerals, but lack sulfur and therefore all you smell is the great Idaho fresh air.
Warning: Use of the hot pools by children under two (2) years of age is not recommended.

Lava Hot Springs State Hot Pools
Located at 430 East Main Street | 208-776-5221
PUBLIC Hot Springs. Open to the public 363 days a year.
Five outdoor gravel or rock bottom pools
Olympic Swimming Complex
Located at 195 North Center Street
Indoor Swimming Complex, Open Year-round
Portneuf Kiddie Cove, Open Year-round
Olympic Swimming Complex & Water Slides

Lava Hot Springs Inn & Spa
Located at 1 Center Street | 208-776-5830
PUBLIC Hot Springs. Open to the public 365 days a year.
Soak in one of six outdoor pools, ranging in temperature from 94° F to 107°F.
Day fee is charged for non-guest pool use
One cold plunge pool (44 degrees)
Dressing rooms with coin operated lockers, showers, and restrooms.

The Lava Hotel & Spa
Located at 196 East Main Street | (208) 776-5800
PRIVATE Hot Springs. Guest only outdoor hot pool. Home Hotel guests also have access.

Riverside Hot Springs Inn & Spa
255 East Portneuf Street | 208-776-5504
PRIVATE Hot Springs. Hotel or spa guest only. Three indoor and one outdoor private soaking tubs

Home Hotel
Located at 306 East Main Street | 208-776-5050
PRIVATE Hot Springs. Hotel guests only
Private hot springs available in some guest rooms plus one outdoor hot spring soaking tub
Chemical Analysis of the Lava Hot Springs Mineral Water
Alkalinity Carbonate as CO3…0mg/l
Alkalinity bicarbonate as HCO3….534 mg/l
Alkalinity Total as CaCO3…438mg/l
Potassium….52mg/l
Sodium….160mg/l
Iron…..
Manganese….
Nitrate and nitrite as N…0.31mg/l
Chloride…170mg/l
Fluoride….0.65mg/l
Sulfate….100mg/l
Calcium….98mg/l
Hardness as CaCo3…372mg/l
Magnesium….31mg/l
pH is about 5.2
Health Benefits of Minerals:
Manganese
Helps in bone formation, thyroid function, formation of connective tissues, sex hormone function, calcium absorption, blood sugar regulation, immune function, and fat/carbohydrate metabolism.
Calcium Bicarbonate
Maintains the integrity of the skeletal system, providing strength and structure to the bones and teeth.
Sodium
Health benefits of sodium include heart performance, nervous system and glucose absorption.
Sulfate
Provides structure to cartilage, holding water and nutrients while allowing other molecules to move through the cartilage (this is important because there is no blood supply to cartilage).
Potassium
Apart form acting as an electrolyte, this mineral is required for keeping heart, brain, kidney, muscle tissues and other important organs of the human body in good condition.
Magnesium
Magnesium keeps bones strong, blood pressure normal and heart rhythm steady.
Fluoride
Fluoride has substantial benefits in the prevention of tooth decay.
Zinc
The health benefits of zinc include proper functioning of immune system, digestion, control of diabetes, improves stress level, energy metabolism, acne and wound healing.
Iron
The main health benefits of iron is the carrying of life-giving oxygen to human blood cells.
