Lost Trail Hot Springs Resort
- From $10
- 95–105°F
- 1 hr 55 min from Missoula
- Walk-in OK
A family resort at the base of Lost Trail Pass in the upper Bitterroot Valley, on the site of the old Gallogly Hot Springs. A chemical-free 20 x 70 ft pool averages about 95F and is covered by a dome in colder months, alongside a 103-105F hot tub and a dry sauna. Lodges, cabins and an RV park and campground are on site; hours are limited outside July and August.
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✓ Verified November 2026
- Price
- From $10
- Water
- 95–105°F
- Nearest town
- Sula
- From Missoula
- 1 hr 55 min
- Reservations
- Walk-in OK
Plan your visit
Hours & season
| Hours |
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|---|---|
| Season |
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Tickets & booking
| Price |
|
|---|---|
| Access | Day pass, walk-ins welcome |
| Booking |
|
Rules
| Ages |
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|---|
On site
| Pools | 2 |
|---|---|
| Lodging | Yes |
Not stated by the venue: swimwear, dogs.
Water temperature
Soaking-pool temperatures as published by the venue or land agency; they vary with season and flow.
The pools
| Pool | Temp | Depth |
|---|---|---|
| Swimming pool20 x 70 ft, 9 ft deep end to 10-inch wading area; domed in cold months. | 95°F | 9 ft |
| Hot tub103F winter, 105F summer. | 103–105°F | — |
As published by the venue. Temperatures shift with the seasons and the weather.
Facilities
- Changing rooms: yes
- Showers: yes
- Food on site: yes
- Sauna: yes
What's here
- 20 x 70 ft chemical-free pool, domed in colder months
- hot tub
- dry sauna
- lodges and cabins, some with jacuzzi
- RV park and campground
- restaurant
Getting there
- From Missoula1 hr 55 min89 mi
- From Hamilton54 min41 mi
- From Missoula (MSO)2 hr 4 min92 mi
Typical driving time without traffic or snow.
| Elevation | 5,142 ft |
|---|---|
| Road |
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Things to do near Sula
Big Hole National Battlefield
Nez Perce National Historical Park site over Chief Joseph Pass, about 20 miles east.
Trailheads
- Nee Mee Poo Trailhead0.4 mi
- Porcupine Saddle Trailhead1.7 mi
- Reimel Creek Trailhead3.2 mi
- Cabinet Creek Trailhead6.6 mi
Straight-line distances. Campground and trailhead data © OpenStreetMap contributors.
Nearby springs
Horse Creek Hot Spring
A hot spring with dispersed camping in the Salmon-Challis National Forest, near the border of the Frank Church-River of No Return Wilderness and Montana's Bitterroot National Forest. It sits at 6,200 feet, about 36 miles of forest roads west and north of North Fork. There is no potable water and there are no picnic tables or fire rings.

Jackson Hot Springs Lodge
A rustic lodge in the Big Hole Valley town of Jackson with one outdoor hot springs pool at 100-106F that the lodge says uses no chemicals. Rooms, sleeper cabins and rental houses come with swim passes, and the pool is also open to the public. The pool, restaurant and lodge are closed Monday through Wednesday.
Elkhorn Hot Springs
A remote resort in the Pioneer Mountains of the Beaverhead-Deerlodge National Forest, about 40 miles northwest of Dillon, with two outdoor mineral pools and a Grecian sauna. Lodging includes rustic and modern cabins and lodge rooms, and groomed cross-country ski trails start nearby. After closing during the 2026 Sand Creek Fire it has reopened for pools only, Thursday through Sunday.
Horse Creek Hot Spring: 30 mi · Jackson Hot Springs Lodge: 37 mi · Elkhorn Hot Springs: 45 mi
Sources (3)
· 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.