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Resort & lodging

Heise Hot Springs

  • Call for prices
  • 104°F
  • 5 hr 5 min from Boise
  • Walk-in OK

A family resort on the South Fork Snake River east of Ririe with a hot mineral pool kept around 104°F and a summer swimming pool with a 350-ft water slide. The grounds include cabins, RV campgrounds, a golf course and a pizza parlor. The resort was evacuated during the August 2026 Big Rock Fire and has since reopened.

Reopened after the Aug 2026 Big Rock Fire evacuation; zipline closed for the rest of the season

Outdoor pool with a lifeguard stand in front of the lodge at Heise Hot Springs, Ririe, Idaho
Photo: Heise Hot Springs
Price
Call for prices
Water
104°F
Nearest town
Ririe
From Boise
5 hr 5 min
Reservations
Walk-in OK

Plan your visit

Hours & season

Hours
  • Hot springs Mon-Fri 2-10pm, Sat-Sun 10am-10pm
  • Summer pool, slide and RV office closed for the season
Season
  • Open year-round
  • Hot pool open year-round
  • Summer pool, water slide and zipline are summer only

Tickets & booking

PriceCall for prices
AccessDay pass, walk-ins welcome

On site

LodgingYes

Not stated by the venue: swimwear, ages, dogs.

Water temperature

Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.

Mineral profile

Total dissolved minerals

5,945 mg/L

Extremely mineralized · Sodium–chloride (salty, brine-like water)

Sodium1,515 mg/L
Calcium430 mg/L
Magnesium83.5 mg/L
Potassium191 mg/L
Chloride2,380 mg/L
Sulfate748 mg/L
Silica31.5 mg/L
pH
6.7
Temp at source
120°F
Fluoride
3.1 mg/L

Lab analysis of the source water at “04n 40e 25dcb1s Heise Hot Sps” (0.2 mi from Heise Hot Springs), sampled 1970–1977 by the USGS and partners (data). Pool water may be cooled, mixed or treated, and spring chemistry is generally stable over decades. We report measurements only; we don't make health claims.

The pools

PoolTemp
Hot poolNatural mineral hot spring pool104°F
Summer poolLarge pool with diving board and 350-ft slide; summer only—

As published by the venue. Temperatures shift with the seasons and the weather.

Facilities

  • Showers: yes
  • Food on site: yes
  • Restrooms: yes

What's here

  • hot mineral pool about 104°F
  • summer swimming pool with diving board
  • 350-ft water slide (summer)
  • cabins and park model units
  • RV campgrounds with hookups
  • golf course
  • pizza parlor
  • zipline
  • Snake River fishing

Getting there

  • From Boise5 hr 5 min305 mi
  • From Idaho Falls35 min23 mi
  • From Idaho Falls (IDA)40 min25 mi

Typical driving time without traffic or snow.

Elevation5,102 ft
Road5116 E Heise Rd, east of Ririe

Things to do near Ririe

ski

Kelly Canyon Ski Resort

Small family ski area with night skiing and Nordic trails near Ririe

town

Idaho Falls

Nearest city, west of Ririe, with lodging and dining

Nearby springs

Green Canyon Hot Springs: 16 mi · Astoria Hot Springs: 52 mi · Granite Hot Springs: 65 mi

Sources (7)

· checked November 2026

Prices, hours and rules are checked against the official site and land-agency pages. Spot something out of date? Let us know.

  1. Official site: home
  2. Official site: Hours
  3. Official site: Map
  4. visitidaho.org: Heise hot springs
  5. eastidahonews.com: Evacuations underway as big rock fire grows to over 100 acres in heise foothills
  6. visitidaho.org: Kelly canyon ski resort
  7. visitidahofalls.com