# Billy Hot Spring, Idaho

Billy Hot Spring in Idaho. Hot. Short Walk · Public Land. Valley County.

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

## Can you soak at Billy Hot Spring?

USGS lists Billy Hot Spring as a hot spring, with no temperature on record. 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 | Hot (USGS record; developed pools are often cooled) |
| pH | 9.7 (Alkaline) |
| Elevation | 5,790 ft |
| Access | Short Walk · Public Land, 0.8 mi from the nearest road (South Fork Salmon River Road) |
| Land | Payette National Forest, US Forest Service |
| County | Valley County |
| Nearest town | Cascade |
| Coordinates | 44.77000, -115.66300 |
| Nearest campground | SHORELINE, 8.0 mi |

## About Billy Hot Spring

Valley County, Idaho, twenty-six miles from Cascade, on Payette National Forest land close to South Fork Salmon River Road: that is where you find Billy Hot Spring. Recorded as hot, no temperature given. A 1980 water sample shows a strongly alkaline pH. Open access. Under a mile of walking from the road. Shoreline is the campground in the record, eight miles away.

Snow is the defining number here: over sixteen feet in a winter, with a wet year overall. Elevation is near fifty-eight hundred feet. Forest Service land, no further designation. From South Fork Salmon River Road it is a short walk, eight tenths of a mile by the record.

No best months, no temperature on file. Sixteen feet of snow will sit on this country for a good part of the year. Shoreline is the camping option on record. The spring is recorded as hot; test before touching. Alkaline water from a 1980 sample is all the chemistry there is. Open access.

## Water chemistry

Lab sample from 1980-06-05 (Water Quality Portal).

| Measure | Value |
|---|---|
| pH | 9.7 |
| Calcium | 1.6 mg/L |
| Magnesium | 0.1 mg/L |
| Sodium | 72 mg/L |
| Sulfate | 32 mg/L |
| Chloride | 10 mg/L |

## Nearby

- Nearest city page: [Hot springs near Grangeville](https://www.soakingsprings.com/hot-springs/near/idaho/grangeville), 49 mi away
- State page: [Hot springs in Idaho](https://www.soakingsprings.com/hot-springs/idaho)
- [Dollar Creek Warm Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/dollar-creek-warm-spring): 68°F source, pH 7.7, Roadside, near Cascade, Valley County
- [Holdover Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/holdover-hot-spring): 117°F source, pH 9.6, Roadside, near McCall, Valley County
- [Mollys Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/mollys-hot-spring): 138°F source, pH 9.3, Roadside, near Cascade, Valley County, primitive pools, free, may–oct
- [Warm Lake Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/warm-lake-springs): Warm, TDS 258 mg/L, Short Walk, near Cascade, Valley County
- [South Fork Plunge, ID](https://www.soakingsprings.com/hot-springs/idaho/south-fork-plunge): 129°F source, Short Walk, near Cascade, Valley County
- [Teapot Hot Spring, ID](https://www.soakingsprings.com/hot-springs/idaho/teapot-hot-spring): 142°F source, pH 9.3, Roadside, near McCall, Valley County, primitive pools, pools 107°F, year-round

## Questions

**What is the water temperature at Billy Hot Spring?**
Billy Hot Spring is classified as hot. An exact temperature measurement has not been recorded.

**Where is Billy Hot Spring located?**
Billy Hot Spring is located in Valley County, Idaho at 5,790 feet elevation, near Cascade. Coordinates: 44.7700°N, 115.6630°W.

**How do I get to Billy Hot Spring?**
Billy Hot Spring has Short Walk road access, with the nearest road being South Fork Salmon River Road (0.8 mi from the road).

**Is Billy Hot Spring free to visit?**
Billy Hot Spring has Open access. It is managed by US Forest Service.

**Can I camp near Billy Hot Spring?**
Yes, Shoreline is located nearby (8.0 miles away).

**What minerals are in the water at Billy Hot Spring?**
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 9.7 (alkaline).

## Sources

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