# Lolo Hot Springs, Granite Springs, Montana

Lolo Hot Springs, Granite Springs in Montana. 111°F (44°C). Short Walk. Missoula County.

- Page: https://www.soakingsprings.com/hot-springs/montana/lolo-hot-springs-granite-springs
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at Lolo Hot Springs, Granite Springs?

The water leaves the ground at 111°F, a comfortable soaking temperature. It's a short walk from the road. We haven't confirmed whether it has a pool or charges a fee.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | 111°F (44°C) (USGS record; developed pools are often cooled) |
| pH | 9.3 (Alkaline) |
| Elevation | 4,324 ft |
| Access | Short Walk, 482 ft from the nearest road (Lolo Creek Road) |
| County | Missoula County |
| Nearest town | Frenchtown |
| Coordinates | 46.72800, -114.53300 |
| Best months to soak | December, January, February (largest gap between water and average air temperature) |
| Nearest campground | WEST FORK BUTTE LOOKOUT, 6.3 mi |

## About Lolo Hot Springs, Granite Springs

Lolo Hot Springs, also recorded as Granite Springs, is a commercial hot springs in Missoula County, Montana, the center of a small unincorporated community on U.S. Highway 12 with a hotel and a restaurant. Frenchtown is the nearest town in the record, about twenty-five miles off. The water is hot, past soaking temperature at the source. It was strongly alkaline in the 1974 USGS sample.

Lolo Creek Road is the nearest road named, under five hundred feet away. It sits fairly low for the state. Snow is serious here, ten feet in an average winter. Annual precipitation runs high. West Fork Butte Lookout, six miles away, is the nearest camping the record knows. No land owner appears in the row.

In Salish the place is called smtt̓m̓čqi or sntt̓mčqey, which Wikipedia renders as Steam on a Ridge Top. The community that grew around the springs is the westernmost settlement on Highway 12 in Montana. The USGS sampled the water in August 1974.

Because this is a developed commercial spring, expect a business; the record does not list a fee. December through February is what the record calls best. With that much snow, Highway 12 conditions decide everything. The USGS chemistry is half a century old, with a high pH and iron present. The source water is hotter than you would soak in.

## Water chemistry

Lab sample from 1974-08-15 (Water Quality Portal).

| Measure | Value |
|---|---|
| pH | 9.3 |
| Calcium | 1.8 mg/L |
| Magnesium | 0.2 mg/L |
| Sodium | 52 mg/L |
| Sulfate | 18 mg/L |
| Chloride | 6.1 mg/L |
| Iron | 30 µg/L |

## Nearby

- Nearest city page: [Hot springs near Missoula](https://www.soakingsprings.com/hot-springs/near/montana/missoula), 26 mi away
- State page: [Hot springs in Montana](https://www.soakingsprings.com/hot-springs/montana)
- [Jerry Johnson Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/jerry-johnson-hot-springs): 118°F source, pH 9.5, Short Walk, near Superior, Mineral County, primitive pools, pools 95–115°F, free, year-round
- [Colgate Warm Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/colgate-warm-springs): 106°F source, pH 9.5, Short Walk, near Superior, Mineral County
- [Weir Creek Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/weir-creek-hot-springs): 117°F source, pH 9.4, Short Walk, near Superior, Mineral County, primitive pools, pools 105°F, free, year-round
- [Prospector Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/prospector-hot-springs): Hot, Backcountry, near Hamilton, Ravalli County, primitive pools, free, mid-late summer
- [Quinns Hot Springs, MT](https://www.soakingsprings.com/hot-springs/montana/quinns-hot-springs): 109°F source, Roadside, near Plains, Sanders County
- [Stanley Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/stanley-hot-springs): 120°F source, Hike, near Kamiah, Lewis County, primitive pools, pools 106°F, free, jun-oct best

## Questions

**What is the water temperature at Lolo Hot Springs, Granite Springs?**
Lolo Hot Springs, Granite Springs has a water temperature of 111°F (44°C). This is considered a hot spring, well above body temperature.

**Where is Lolo Hot Springs, Granite Springs located?**
Lolo Hot Springs, Granite Springs is located in Missoula County, Montana at 4,324 feet elevation, near Frenchtown. Coordinates: 46.7280°N, 114.5330°W.

**How do I get to Lolo Hot Springs, Granite Springs?**
Lolo Hot Springs, Granite Springs has Short Walk road access, with the nearest road being Lolo Creek Road (482 ft from the road).

**Can I camp near Lolo Hot Springs, Granite Springs?**
Yes, West Fork Butte Lookout is located nearby (6.3 miles away).

**What minerals are in the water at Lolo Hot Springs, Granite Springs?**
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride, Iron. The pH is 9.3 (alkaline).

**Is it safe to soak at Lolo Hot Springs, Granite Springs?**
With care. At 111°F Lolo Hot Springs, Granite Springs is hot enough to need short sessions, fifteen to twenty minutes, and plenty of water. Enter slowly and get out if you feel light-headed.

## Sources

- USGS thermal springs records, Water Quality Portal lab analyses, OpenStreetMap, Wikipedia/Wikidata, NOAA climate normals
- https://en.wikipedia.org/wiki/Lolo_Hot_Springs,_Montana