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

- 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 |
|
|---|---|
| Season |
|
Tickets & booking
| Price | Call for prices |
|---|---|
| Access | Day pass, walk-ins welcome |
On site
| Lodging | Yes |
|---|
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)
- 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
| Pool | Temp |
|---|---|
| Hot poolNatural mineral hot spring pool | 104°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.
| Elevation | 5,102 ft |
|---|---|
| Road | 5116 E Heise Rd, east of Ririe |
Things to do near Ririe
Nearby springs

Green Canyon Hot Springs
A family-run hot springs pool in a canyon near Newdale and Rexburg, fed by a 115°F spring. The venue lists a 96°F big pool, a 105°F hot pool and a 55°F cold pool, with RV and tent camping on site. Summer swim-lesson camps are held here and fill about a year ahead.

Astoria Hot Springs
A nonprofit hot springs park on the Snake River south of Jackson, run by Astoria Park Conservancy, with four flow-through soaking pools at 100-104°F plus a chlorinated children's pool and a cold plunge. Visits are booked in 1 hour 45 minute sessions of up to 70 guests, and it is closed Wednesdays for cleaning.

Granite Hot Springs
A developed concrete hot spring pool on Granite Creek in the Bridger-Teton National Forest, at the end of a rough dirt road about 34 miles from Jackson. It opens late May to Oct 31 and again early December to Mar 17, when the pool is reached only by snowmobile, dog sled, skis or fat bike. Entry is cash only and alcohol is not allowed.
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.