# Weir Creek Hot Springs, Idaho

Weir Creek Hot Springs in Idaho. 117°F (47°C). Short Walk · Public Land. Mineral County.

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

## Can you soak at Weir Creek Hot Springs?

Yes. Weir Creek Hot Springs has natural, undeveloped pools that run at 105°F. Soaking is free. It's a short walk from the road.

## Key facts

| Fact | Value |
|---|---|
| Source water temperature | 117°F (47°C) (USGS record; developed pools are often cooled) |
| pH | 9.4 (Alkaline) |
| Elevation | 2,885 ft |
| Access | Short Walk · Public Land, 0.4 mi from the nearest road |
| Land | Clearwater National Forest, US Forest Service |
| County | Mineral County |
| Nearest town | Superior |
| Coordinates | 46.46400, -115.03500 |
| Best months to soak | December, January, February (largest gap between water and average air temperature) |
| Nearest campground | CASTLE BUTTE LOOKOUT, 9.0 mi |

## Plan your visit

| | |
|---|---|
| Type | Primitive pools |
| Cost | Free |
| Hours | no overnight use 8pm-6am |
| Season | Year-round |
| Reservations | Not needed |
| Pool temperature | 105°F |
| Clothing | Clothing optional |
| Getting there | 0.5 mi one way, 200 ft gain, steep rocky, from US-12 milepost 142.1 |
| In winter | foot or snowshoe, variable |
| Operator | US Forest Service, Nez Perce-Clearwater National Forest |

Checked October 2026. Sources: https://www.hotspringsguides.com/hot-springs/weir-creek-hot-springs-idaho

## About Weir Creek Hot Springs

Weir Creek Hot Springs sits in Clearwater National Forest, with Superior the nearest town at under five miles. Public access is marked open. Source water is hot, above comfortable soaking straight from the ground, so cooling matters. OpenStreetMap tags it as Weir hotsprings, run together. Strongly alkaline water; the county on record is Mineral.

Forest Service ground, and the walk in from an unnamed road runs a little under half a mile. Elevation stays under three thousand feet, which does not stop snowfall averaging past two hundred inches, and it is wet here year round. Count on snow lying over the approach much of the year.

Winter months, December through February, are what the record recommends. Castle Butte Lookout, nine miles off, is the closest overnight option listed. The source can burn given time; test the pool before you settle. Access is open per the Forest Service. The temperature reading is from July 1982.

## Water chemistry

Lab sample from 1982-07-14 (Water Quality Portal).

| Measure | Value |
|---|---|
| pH | 9.4 |
| Calcium | 2.9 mg/L |
| Magnesium | 0.02 mg/L |
| Sodium | 28 mg/L |
| Sulfate | 18 mg/L |
| Chloride | 1.9 mg/L |

## Nearby

- Nearest city page: [Hot springs near Kamiah](https://www.soakingsprings.com/hot-springs/near/idaho/kamiah), 15 mi away
- State page: [Hot springs in Idaho](https://www.soakingsprings.com/hot-springs/idaho)
- [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
- [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
- [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
- [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
- [Stuart Hot Springs, ID](https://www.soakingsprings.com/hot-springs/idaho/stuart-hot-springs): Hot, Backcountry, near Hamilton, Ravalli County, primitive pools, free, mid-late summer
- [Lolo Hot Springs, Granite Springs, MT](https://www.soakingsprings.com/hot-springs/montana/lolo-hot-springs-granite-springs): 111°F source, pH 9.3, Short Walk, near Frenchtown, Missoula County

## Questions

**What is the water temperature at Weir Creek Hot Springs?**
Weir Creek Hot Springs has a water temperature of 117°F (47°C). This is considered a hot spring, well above body temperature.

**Where is Weir Creek Hot Springs located?**
Weir Creek Hot Springs is located in Mineral County, Idaho at 2,885 feet elevation, near Superior. Coordinates: 46.4640°N, 115.0350°W.

**How do I get to Weir Creek Hot Springs?**
Weir Creek Hot Springs has Short Walk road access (0.4 mi from the road).

**Is Weir Creek Hot Springs free to visit?**
Weir Creek Hot Springs has Open access. It is managed by US Forest Service.

**Can I camp near Weir Creek Hot Springs?**
Yes, Castle Butte Lookout is located nearby (9.0 miles away).

**What minerals are in the water at Weir Creek Hot Springs?**
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 9.4 (alkaline).

**Is it safe to soak at Weir Creek Hot Springs?**
With care. At 117°F Weir Creek Hot 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