Outdoors NearbyNat-Soo-Pah Hot Springs
A summer swimming pool filled with warm mineral water off U.S. 93 near Hollister south of Twin Falls, with tent and RV sites. Day visitors are welcome at Nat-Soo-Pah Hot Springs with a paid pass.
| Access | Day passes for the public Seasonal swimming pool with lifeguards; the pool is closed for the season and opens again around May 1. |
|---|---|
| Type | Developed pools |
| Location | Hollister, ID Managed by Private operator Directions (approximate location; check the official map) |
| Water | 97 °F at the source (USGS/NOAA survey, 1980) |
| Season | Pool open about May 1 to early September; camping through October 15 |
| Facilities | camping |
| Camping | Nat-Soo-Pah campground and RV park (0 mi) |
| Website | natsoopah.com |
| Phone | (208) 655-4337 |
Best time to soak: Nat-Soo-Pah Hot Springs
Most people soak in the cooler months. From November to April average highs near Hollister stay at 37 to 59 °F, with nights down to 20 °F. With lows at 20 to 30 °F from November to March, bring warm layers for getting out of the water. In July highs reach 88 °F. Take breaks out of the water and bring plenty to drink on summer days.
| Month | High | Low | Rain days |
|---|---|---|---|
| Jan | 37 °F | 21 °F | 3 |
| Feb | 42 °F | 24 °F | 3 |
| Mar | 52 °F | 30 °F | 3 |
| Apr | 59 °F | 34 °F | 4 |
| May | 69 °F | 42 °F | 4 |
| Jun | 78 °F | 49 °F | 2 |
| Jul | 88 °F | 58 °F | 1 |
| Aug | 87 °F | 56 °F | 1 |
| Sep | 76 °F | 47 °F | 1 |
| Oct | 62 °F | 36 °F | 2 |
| Nov | 47 °F | 26 °F | 3 |
| Dec | 37 °F | 20 °F | 4 |
More to do nearby
- Perrine Coulee Falls (waterfall, 18 mi)
Pack for the hot springs
- Top pick 4Monster quick-dry microfiber towel with case Packs small for the hike to the pools and dries in the car on the way home. View on Amazon
-
Illustration SIMARI quick-dry water shoes for women and men Grip on slick rock and gravel pool bottoms, and they dry fast on the walk out. View on Amazon - Cold-day pick SUN CUBE hooded changing robe poncho Change in and out of a wet suit at a trailhead with no changing room, and stay warm after a winter soak. View on Amazon
We haven't tested these ourselves; we chose them by size and specs. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Check the current price on Amazon.
Hot springs in the area
- Banbury Hot Springs Day pass
- Miracle Hot Springs Day pass
- Worswick Hot Springs Free
- Frenchman's Bend Hot Springs Free
- Skillern Hot Springs Free
- Baumgartner Hot Springs Free
Waterfalls nearby
- Perrine Coulee Falls (18 mi)
- Pillar Falls (19 mi)
- Shoshone Falls (19 mi)
Sources
Access, prices and rules come from these official pages, checked October 2026. Hot springs close for weather, repairs or high water, so confirm before you go.
Something changed? Tell us.
Frequently asked questions
Is Nat-Soo-Pah Hot Springs free?
There is a fee for day use. The operator's website has current prices.
How hot is Nat-Soo-Pah Hot Springs?
97 °F at the source (USGS/NOAA survey, 1980). Pool temperatures are usually lower than at the source and change with the season.
When is Nat-Soo-Pah Hot Springs open?
Pool open about May 1 to early September; camping through October 15.
Can you camp near Nat-Soo-Pah Hot Springs?
Nat-Soo-Pah campground and RV park (0 mi).