Where to Soak in Lava Hot Springs Hot Pools

About Lava Hot Springs World-Famous Hot Springs

When it’s time to relax, immerse yourself in these 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.

Facilities that Offer Hot Springs

Lava Hot Springs State Foundation

Take a soak in one of five pools, ranging in temperature from 102° F to 112°F, to find a pool that is just right for you. Over 2.5 million gallons of hot mineral water course through the pools each day before emptying into the Portneuf River, keeping the springs ever changing and clean.

Hot Pool Soaking Complex
Located at 430 East Main Street | 208-776-5221
Open to the public 363 days a year.
Five outdoor gravel or rock bottom pools
Dressing rooms, showers, restrooms and coin operated lockers

Olympic Swimming Complex
Located at 195 North Center Street | 208-776-5221
Indoor Swimming Complex, Open Year-round
Portneuf Kiddie Cove, Open Year-round
Olympic Swimming Complex & Water Slides (Open Memorial Day to Labor Day)

Lava Hot Springs Inn & Spa

Located at 1 Center Street | 208-776-5830
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

Lodging Facilities with Private Hot Springs

The Lava Hotel & Spa

Located at 196 East Main Street | 800-757-1233
Guest only outdoor hot pool

Home Hotel

Located at 306 East Main Street | 208-776-5050
Hotel guests only
Private hot springs available in some guest rooms plus one outdoor hot spring soaking tub

Riverside Hot Springs Inn & Spa

255 East Portneuf Street | 208-776-5504
Hotel or spa guest only. Three indoor and one outdoor private soaking tubs

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
Nitrate and nitrite as N…0.31mg/l
Hardness as CaCo3…372mg/l
pH is about 5.2

Health Benefits of Minerals:

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.

Health benefits of sodium include heart performance, nervous system and glucose absorption.

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).

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 keeps bones strong, blood pressure normal and heart rhythm steady.

Fluoride has substantial benefits in the prevention of tooth decay.

The health benefits of zinc include proper functioning of immune system, digestion, control of diabetes, improves stress level, energy metabolism, acne and wound healing.

The main health benefits of iron is the carrying of life-giving oxygen to human blood cells.