# Big Eightmile Creek Warm Spring, Idaho

Big Eightmile Creek Warm Spring in Idaho. 91°F (33°C). Short Walk · Public Land. Lemhi County.

- Page: https://www.soakingsprings.com/hot-springs/idaho/big-eightmile-creek-warm-spring
- Source: Soaking Springs, researched and maintained by Armen Suny
- Updated: 2026-09-14

## Can you soak at Big Eightmile Creek Warm Spring?

The water leaves the ground at 91°F, a comfortable soaking temperature. It's a short walk from the road. It's on US Forest Service land. We haven't confirmed whether it has a pool or charges a fee.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | 91°F (33°C) (USGS record; developed pools are often cooled) |
| Elevation | 7,248 ft |
| Access | Short Walk · Public Land, 0.9 mi from the nearest road (National Forest Development Road 096) |
| Land | Salmon National Forest, US Forest Service |
| County | Lemhi County |
| Nearest town | Salmon |
| Coordinates | 44.64000, -113.50400 |
| Best months to soak | December, January, February (largest gap between water and average air temperature) |
| Nearest campground | McFarland Campground, 11.6 mi |

## About Big Eightmile Creek Warm Spring

Salmon National Forest, Lemhi County, Idaho: Big Eightmile Creek Warm Spring, a long way from Salmon, around forty-two miles. The water is warm, a little under body temperature, on the cool side of what people soak in. Access is open. It sits about a mile from National Forest Development Road 096, a short walk by the record's class though not a trivial one.

High, over seven thousand feet, with a cold average year and six feet of snow across a winter. Precipitation is otherwise modest. Forest Service land without a further designation. The road, National Forest Development Road 096, is close to a mile from the spring. McFarland Campground is the nearest camping in the record, eleven or twelve miles away.

Winter ranks best by climate. Expect snow on the road then. McFarland is where the record puts camping. The water is warm and comfortable, with no safety worry. No water chemistry exists for this spring and there is no USGS site number. No fee recorded.

## Nearby

- Nearest city page: [Hot springs near Arco](https://www.soakingsprings.com/hot-springs/near/idaho/arco), 26 mi away
- State page: [Hot springs in Idaho](https://www.soakingsprings.com/hot-springs/idaho)
- [Whittaker Warm Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/whittaker-warm-springs): 75°F source, pH 8.0, Roadside, near Salmon, Lemhi County
- [Cronks Canyon Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/cronks-canyon-hot-spring): 115°F source, pH 7.9, Short Walk, near Challis, Custer County, primitive pools
- [Barney Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/barney-hot-springs): 82°F source, pH 8.2, Roadside, near Arco, Butte County
- [Sharkey Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/sharkey-hot-spring): 126°F source, pH 8.0, Roadside, near Salmon, Lemhi County, primitive pools, pools 103°F, day pass
- [Goldbug Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/goldbug-hot-spring): 113°F source, pH 7.8, Hike, near Salmon, Lemhi County, primitive pools, pools 90–105°F, free, year-round
- [Little Antelope Flat Warm Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/little-antelope-flat-warm-spring): 93°F source, pH 7.4, Roadside, near Challis, Custer County

## Questions

**What is the water temperature at Big Eightmile Creek Warm Spring?**
Big Eightmile Creek Warm Spring has a water temperature of 91°F (33°C). This is a warm thermal spring.

**Where is Big Eightmile Creek Warm Spring located?**
Big Eightmile Creek Warm Spring is located in Lemhi County, Idaho at 7,248 feet elevation, near Salmon. Coordinates: 44.6400°N, 113.5040°W.

**How do I get to Big Eightmile Creek Warm Spring?**
Big Eightmile Creek Warm Spring has Short Walk road access, with the nearest road being National Forest Development Road 096 (0.9 mi from the road).

**Is Big Eightmile Creek Warm Spring free to visit?**
Big Eightmile Creek Warm Spring has Open access. It is managed by US Forest Service.

**Can I camp near Big Eightmile Creek Warm Spring?**
Yes, Mc Farland Campground is located nearby (11.6 miles away).

## Sources

- USGS thermal springs records, Water Quality Portal lab analyses, OpenStreetMap, Wikipedia/Wikidata, NOAA climate normals