Sleeping Child Hot Springs

Ravalli County, Montana · Near Hamilton
46.1060°N, 114.0040°W · 4,929 ft
122°F 4,929 ft Open Short Walk US Forest Service Camping nearby (5.7 mi)

Inside the Bitterroot National Forest in Ravalli County, Montana, Sleeping Child Hot Springs emerges hot, thirteen miles or so from Hamilton. Access is open. Water comes out hotter than a soak. A 1974 USGS sample came back alkaline with iron. The Forest Service is the land owner, and no fee appears in the row.

Location

Four hundred feet or so from the nearest road, inside national forest. Elevation is modest. Winters are heavy, around eight feet of snow. Precipitation is on the high side for Montana. Black Bear Campground is the nearest listed, under six miles away. the record names no road and no trail.

Open access on Forest Service land. Hot water, so test it. Winter is what the record recommends, and with eight feet of snow you will want to know road conditions. Black Bear Campground is the camping given. No fee is given. The chemistry is from 1974, and the temperature too.

Terrain

Aircraft with laser scanners measured this ground to within inches. The scan strips out trees and buildings, leaving the bare shape of the land around Sleeping Child Hot Springs.

Aerial view of the ground around Sleeping Child Hot Springs LiDAR bare-earth view of the same ground around Sleeping Child Hot Springs
Aerial LiDAR bare earth

Drag the handle to compare the two views. The orange dot marks the spring, in a frame about three quarters of a mile wide.

Setting
Hillside
The spring sits on a steep slope that climbs to the south.
Highest ground nearby
560 ft above the spring
Within a quarter mile, to the south
Cross-section through the spring

A slice through the ground from north to south, about 0.6 miles end to end.

Elevation data: USGS 3D Elevation Program. Aerial imagery: USGS The National Map. Public domain.

Heat Below
81 milliwatts per square meter of heat flow

That's close to the US average of 65. It's higher than at 16% of the springs on this site.

Heat flow measures the warmth working its way up through the ground from deep inside the earth. Where it runs high, rain and snowmelt that seep down through cracks in the rock come back up hot.

Heat flow estimate: Stanford Thermal Earth Model (Aljubran & Horne, 2024), CC BY 4.0.

Monthly Climate
23°
Jan
24°
Feb
31°
Mar
36°
Apr
46°
May
56°
Jun
66°
Jul
65°
Aug
55°
Sep
41°
Oct
29°
Nov
21°
Dec
Annual Precip: 26.2 in Annual Snow: 95.8 in
Best Time to Visit
December Air 21°F · Water 122°F · +101° contrast
January Air 23°F · Water 122°F · +99° contrast
February Air 24°F · Water 122°F · +98° contrast
December offers 45°F more contrast than July
Current Conditions
Today 64° Low 40° Mostly Sunny 1% precip
Spring is +58° warmer
Wednesday 66° Low 43° Sunny 1% precip
Spring is +56° warmer
Thursday 69° Low 48° Mostly Sunny then Chance Showers And Thunderstorms 54% precip
Spring is +53° warmer
Friday 64° Low 44° Showers And Thunderstorms Likely 60% precip
Spring is +58° warmer
Saturday 67° Low 45° Sunny 8% precip
Spring is +55° warmer
Water Chemistry Sampled 1974-08-15

The water at Sleeping Child Hot Springs is slightly alkaline (pH 8.1).

pH 8.1 Slightly Alkaline
pH influences mineral absorption through skin
Calcium 6 mg/L
May support bone density and joint health
Magnesium 0 mg/L
Known for muscle relaxation and stress relief
Sodium 110 mg/L
Supports circulation and skin hydration
Sulfate 81 mg/L
Traditionally used for skin conditions and inflammation
Chloride 9 mg/L
Natural antiseptic with skin health benefits
Iron 30 µg/L
Iron-rich springs may support circulation
Where to Stay

Some links are affiliate links. We may earn a commission at no extra cost to you.

Nearby Camping
Black Bear Campground 5.7 mi away

Located on the banks of Skalkaho Creek, Black Bear Campground hosts 6 sites with picnic tables, fire rings, and a vault toilet. There is no garbage service so Pack it in/Pack it out. Campground can accommodate RV's or trailers to 50'.

Reserve on Recreation.gov →
Temperature
122°F
Warm Hot Boiling
Water Temp 122°F (50°C)
Avg Air Temp 41°F
Above Ambient +81°F
Great soaking conditions September
Access
Open
Road Access Short Walk
Distance to Road 401 ft
Land
Ownership Federal
Agency US Forest Service
Designation National Forest
Unit Bitterroot National Forest
Manager US Forest Service
Protection 3 - Protected, subject to extractive use
Frequently Asked Questions
What is the water temperature at Sleeping Child Hot Springs?
Sleeping Child Hot Springs has a water temperature of 122°F (50°C). This is considered a hot spring, well above body temperature.
Where is Sleeping Child Hot Springs located?
Sleeping Child Hot Springs is located in Ravalli County, Montana at 4,929 feet elevation, near Hamilton. Coordinates: 46.1060°N, 114.0040°W.
How do I get to Sleeping Child Hot Springs?
Sleeping Child Hot Springs has Short Walk road access (401 ft from the road).
Is Sleeping Child Hot Springs free to visit?
Sleeping Child Hot Springs has Open access. It is managed by US Forest Service.
Can I camp near Sleeping Child Hot Springs?
Yes, Black Bear Campground is located nearby (5.7 miles away).
What minerals are in the water at Sleeping Child Hot Springs?
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride, Iron. The pH is 8.1 (slightly alkaline).
Is it safe to soak at Sleeping Child Hot Springs?
With care. At 122°F Sleeping Child 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 NWIS