Nat-Soo-Pah Hot Springs & Campground
- From $12
- 2 hr 43 min from Boise
- Walk-in OK
A family-run summer pool and campground south of Twin Falls near Hollister, operating for over 100 years on the Nat-Soo-Pah spring. The pool opens from May 1 to Labor Day with lifeguards and a snack bar, and the campground runs into mid-October.
Pool seasonally closed; 2027 season May 1-Sep 6.
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✓ Verified November 2026
- Price
- From $12
- Nearest town
- Hollister
- From Boise
- 2 hr 43 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Hours |
|
|---|---|
| Season |
|
Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking | Call for camping and pavilion reservations |
On site
| Lodging | No |
|---|---|
| Camping nearby | Yes |
Not stated by the venue: swimwear, ages, dogs.
Water temperature
This venue doesn't publish pool temperatures.
Mineral profile
Total dissolved minerals
279 mg/L
Lightly mineralized · Sodium–sulfate (sodium sulfate water)
- pH
- 7.7
- Temp at source
- 99°F
- Lithium
- 0.47 mg/L
- Fluoride
- 1.9 mg/L
- Boron
- 0.12 mg/L
- Iron
- 0.05 mg/L
Lab analysis of the source water at “12s 17e 31bab1”, sampled 1956–1981 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 |
|---|---|
| Main poolLifeguarded summer pool. | — |
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
- spring-fed swimming pool
- lifeguards
- snack bar
- grassy campground with full hookups
- pavilions for groups
- natural spring showers
Getting there
- From Boise2 hr 43 min153 mi
- From Twin Falls36 min24 mi
- From Twin Falls (TWF)33 min14 mi
Typical driving time without traffic or snow.
| Elevation | 4,540 ft |
|---|---|
| Road |
|
Things to do near Hollister
Campgrounds
- Nat Soo Pah Campground0.1 mi
- Bear Gulch Campground10.5 mi
- Schipper Campground12.4 mi
- Magic Valley Mobile Home Estates12.7 mi
Straight-line distances. Campground and trailhead data © OpenStreetMap contributors.
Nearby springs
Banbury Hot Springs
A century-old resort on the Snake River near Buhl with a large geothermal swimming pool, adjusted seasonally from about 89F in summer to about 102-104F in winter. Five private hot tubs overlooking the river are booked in 90-minute sessions. The site also has a campground and a dry Queen Cabin.
Miracle Hot Springs
A geothermal soaking resort on Highway 30 near Buhl in the Hagerman Valley. Four outdoor pools are kept between 96 and 106F with no chlorine, and private open-roof pools can be booked by the hour. Overnight options include geodesic domes, a park home and RV sites, and reservations are required for all soaking.
Durfee Hot Springs
A small family-run spring pool on the north edge of Almo, near City of Rocks National Reserve. Durfee descendants reopened the early-1900s pool in 2005; there is a hot tub, a swimming pool and a kiddie pool with continuously flowing, chemical-free water. Hours are limited and seasonal.
Banbury Hot Springs: 29 mi · Miracle Hot Springs: 30 mi · Durfee Hot Springs: 48 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.