Miracle Hot Springs
- From $14
- 96–106°F
- 1 hr 57 min from Boise
- Reservations required
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.
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✓ Verified November 2026
- Price
- From $14
- Water
- 96–106°F
- Nearest town
- Buhl
- From Boise
- 1 hr 57 min
- Reservations
- Required
Plan your visit
Hours & season
| Hours |
|
|---|---|
| Season | Open year-round |
Tickets & booking
| Price |
|
|---|---|
| Access | Reservation required |
| Booking |
|
Rules
| Ages |
|
|---|---|
| Dogs | No |
On site
| Pools | 4 |
|---|---|
| Lodging | Yes |
Not stated by the venue: swimwear.
Water temperature
Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.
Mineral profile
Total dissolved minerals
392 mg/L
Lightly mineralized · Sodium–chloride (salty, brine-like water)
- pH
- 9.2
- Temp at source
- 132°F
- Lithium
- 0.04 mg/L
- Fluoride
- 20.5 mg/L
- Boron
- 0.34 mg/L
Lab analysis of the source water at “08s 14e 31acb1s Miracle Hot Spring” (0.2 mi from Miracle Hot Springs), sampled 1972–1979 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 | Depth |
|---|---|---|
| Outdoor soaking pools (4)Each held at a different temperature; one has chess tables and a cold dip. | 96–106°F | 4.5 ft |
| Regular private poolsprivateUp to 4 adults; open ceiling, adjustable temperature. | — | — |
| VIP private poolsprivateUp to 6 adults; private changing room and patio. | — | — |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- No chlorine or chemicals
- Constant flow-through
- Outdoor pools drained daily, private pools between guests
- 140F well water, pH 9.6
- Changing rooms: yes
- Massage: yes
| Bring your own alcohol | Not allowed |
|---|---|
| Smoking | Not allowed |
| Good to know | No alcohol, smoking/vaping, pets or loud music in the pool facility |
What's here
- four outdoor geothermal pools 96-106F
- pool with in-pool chess tables and a cold dip
- regular and VIP private pools with temperature control
- cold plunge add-on in select rooms
- massage
- Queen and King domes (King has private hot tub)
- park home and RV/tent sites
- no wifi or cell service
Getting there
- From Boise1 hr 57 min109 mi
- From Twin Falls41 min28 mi
- From Twin Falls (TWF)51 min33 mi
Typical driving time without traffic or snow.
| Elevation | 2,914 ft |
|---|---|
| Road |
|
| Cell service | None |
Things to do near Buhl
Thousand Springs State Park
Multi-unit state park along the Snake River canyon with springs and waterfalls.
Hagerman Fossil Beds National Monument
Fossil site of the Hagerman horse; visitor center on Highway 30 in Hagerman.
Blue Heart Springs kayaking
Seasonal kayak rentals and tours from Banbury to Blue Heart and Thousand Springs.
Trailheads
- River Trail3.4 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.
Nat-Soo-Pah Hot Springs & Campground
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.
Worswick Hot Springs
A hot spring on the Sawtooth National Forest's Fairfield Ranger District that the Forest Service calls popular and places close to the free Five Points Campground, 17 miles north of Fairfield on FR 094. NOAA lists the source at about 180F, scalding at the vent, so check the temperature of any pool before entering.
Banbury Hot Springs: 2 mi · Nat-Soo-Pah Hot Springs & Campground: 30 mi · Worswick Hot Springs: 60 mi
Sources (10)
· 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.