Silver Star Hot Springs

Jefferson County, Montana · Near Whitehall
45.6850°N, 112.2950°W · 4,667 ft
163°F 29°F air · Good soaking weather 4,667 ft Short Walk Camping nearby (6.3 mi)
Very Hot Source, Use Extreme Caution

At 163°F, the source water at Silver Star Hot Springs is hot enough to cause burns. Some hot springs this hot have cooler side pools or downstream areas suitable for soaking. Always test the water temperature before entering.

Aerial view of the ground around Silver Star Hot Springs LiDAR bare-earth view of the same ground around Silver Star 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.

Silver Star Hot Springs in Jefferson County, Montana, sixteen miles from Whitehall, produces water hotter than you could put a hand in. It is scalding at the source. The record gives no owner and no access status. A USGS site is linked with chemistry from 1977. Nothing says what, if anything, has been built around it.

Location

Ridge Road is the nearest named road, about a third of a mile away. Call it a short walk. Modest elevation. Snow stays under five feet and rain is light. Hells Canyon Guard Station is the closest camping given, about six miles off. Land unit and designation are blank in the row.

Scalding at the source; do not touch it. December to February is the window listed. Hells Canyon Guard Station is the nearest camping. Access is unrecorded and no owner is named, so find out who owns it before going. The 1977 sample was mildly alkaline, and the temperature figure is from that survey.

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 Silver Star Hot Springs.

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

A slice through the ground from southwest to northeast, about 0.6 miles end to end.

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

Heat Below
111 milliwatts per square meter of heat flow

That's about 1½ times the US average of 65. It's higher than at 62% 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
22°
Jan
22°
Feb
32°
Mar
41°
Apr
51°
May
61°
Jun
71°
Jul
70°
Aug
60°
Sep
44°
Oct
31°
Nov
20°
Dec
Annual Precip: 19.0 in Annual Snow: 55.6 in
Best Time to Visit
December Air 20°F · Water 163°F · +143° contrast
January Air 22°F · Water 163°F · +141° contrast
February Air 22°F · Water 163°F · +141° contrast
December offers 51°F more contrast than July
Current Conditions
29°F
96% Good soaking weather
Today 71° Low 39° Patchy Fog then Sunny
Spring is +92° warmer
Wednesday 69° Low 43° Sunny 3% precip
Spring is +94° warmer
Thursday 75° Low 47° Mostly Sunny then Chance Showers And Thunderstorms 44% precip
Spring is +88° warmer
Friday 69° Low 43° Rain Showers Likely 65% precip
Spring is +94° warmer
Saturday 72° Low 44° Mostly Sunny 14% precip
Spring is +91° warmer
Water Chemistry Sampled 1977-06-21

The water at Silver Star Hot Springs is slightly alkaline (pH 7.6).

pH 7.6 Slightly Alkaline
pH influences mineral absorption through skin
Calcium 10 mg/L
May support bone density and joint health
Magnesium 0 mg/L
Known for muscle relaxation and stress relief
Sodium 170 mg/L
Supports circulation and skin hydration
Sulfate 190 mg/L
Traditionally used for skin conditions and inflammation
Chloride 32 mg/L
Natural antiseptic with skin health benefits
Nearby Camping
Nearby Camping
Hells Canyon Guard Station 6.3 mi away

Overview Hells Canyon Guard Station is a quaint log cabin located in the Highland Mountains of Montana's Beaverhead-Deerlodge National Forest. It is most often used as a base camp by hunters and hikers. The area is replete with wildlife and provides access to scenic mountain views, as well as plentiful opportunities for recreation. It was originally built in 1906 and used as a line cabin for ranchers before being donated to the Forest Service in 1910. The Forest Service has used the cabin...

Reservable Yes
Reserve on Recreation.gov →
Temperature
163°F
Warm Hot Boiling
Water Temp 163°F (73°C)
Avg Air Temp 44°F
Above Ambient +119°F
Great soaking conditions September
Access
Road Access Short Walk
Nearest Road Ridge Road
Distance to Road 0.3 mi
Frequently Asked Questions
What is the water temperature at Silver Star Hot Springs?
Silver Star Hot Springs has a water temperature of 163°F (73°C). This is considered a hot spring, well above body temperature.
Where is Silver Star Hot Springs located?
Silver Star Hot Springs is located in Jefferson County, Montana at 4,667 feet elevation, near Whitehall. Coordinates: 45.6850°N, 112.2950°W.
How do I get to Silver Star Hot Springs?
Silver Star Hot Springs has Short Walk road access, with the nearest road being Ridge Road (0.3 mi from the road).
Can I camp near Silver Star Hot Springs?
Yes, Hells Canyon Guard Station is located nearby (6.3 miles away).
What minerals are in the water at Silver Star Hot Springs?
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 7.6 (slightly alkaline).
Is it safe to soak at Silver Star Hot Springs?
No, not at the source. The water at Silver Star Hot Springs reaches 163°F, which can cause severe burns within seconds. Look for cooled side pools or downstream stretches, and test with a hand before anything else.
Sources: USGS NWIS