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Bridger Canyon Warm Spring emerges at 70°F on US Fish and Wildlife Service land within the Bozeman Fish Technology Center in Gallatin County. Public access is restricted. USGS measured the water at just 8.6°C (47°F), sharply contradicting the historical 70°F record. The neutral pH of 7.8 and calcium-dominant chemistry (50 mg/L) differ markedly from nearby alkaline springs.
The spring sits at 4,891 feet elevation in Bridger Canyon, a narrow mountain valley carved between the Bridger Range and the Bangtail Mountains northeast of Bozeman. Mixed conifer and grassland cover the canyon slopes, with Bridger Creek running through the bottom. Annual snowfall reaches 73 inches, and the canyon funnels cold air from higher elevations. The Fish Technology Center campus occupies a small flat along the creek, surrounded by forest and ranchland. Bridger Canyon Road connects the site to Bozeman, seven miles southwest.
History of Bridger Canyon Warm Spring
The Bozeman Fish Technology Center has operated at this site since 1966 as a federal fish health research facility. The spring's cool, consistent water supply likely contributed to the site's selection for aquaculture research. The large discrepancy between the historical temperature (70°F) and recent USGS measurement (47°F) may reflect changes in spring discharge, mixing with surface water, or measurement differences between the 1980 inventory and modern monitoring. No public bathing use has been recorded.
This spring is on restricted federal property and is not open to public visitation. The Bozeman Fish Technology Center does not accommodate casual visitors without prior arrangement. For those interested in the Bridger Canyon area, Trail Creek Cabin -- a historic 1924 ranger station 18.9 km away -- is reservable year-round but requires non-motorized or small-vehicle access. Bridger Bowl ski area is nearby for winter recreation. Bozeman provides full services seven miles to the southwest.
Is Bridger Canyon Warm Spring worth visiting?
Best for
- Easy day trips
- Overnight camping trips
Bridger Canyon Warm Spring is well suited for easy day trips and overnight camping trips.
Annual Precip: 24.1 in
Annual Snow: 72.7 in
December
Air 19°F · Water 70°F · +51° contrast
February
Air 21°F · Water 70°F · +49° contrast
January
Air 22°F · Water 70°F · +48° contrast
December offers 48°F more contrast than August
Recent Temperature
47.5°F
(8.6°C)
Measured Jun 25, 1977
The water at Bridger Canyon Warm Spring is slightly alkaline (pH 7.8) with 230 mg/L total dissolved solids.
pH influences mineral absorption through skin
Higher mineral concentration for therapeutic soaking
May support bone density and joint health
Known for muscle relaxation and stress relief
Supports circulation and skin hydration
Traditionally used for skin conditions and inflammation
Natural antiseptic with skin health benefits
Iron-rich springs may support circulation
Overview
Trail Creek Cabin, built in 1924, was the original ranger station for the Bozeman Ranger District. It is available year round, offering guests the chance to enjoy summer or winter recreation. The cabin is located in a remote area that is not accessible by car or truck. Guests must travel on foot, horseback, motorized vehicle (under 50”) or mountain bike. In winter, skis, snowshoes or snowmobiles may be used to reach the cabin. The best route for arriving on foot or horseback is about...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Warm layers
Cold air before and after soaking
Camping gear
Nearby camping at Trail Creek Cabin
Trash bag
Pack out what you pack in
USGS Quad: (BOZEMAN PASS 15) · NOAA: 2.0 · AMS Map: BOZEMAN
What is the water temperature at Bridger Canyon Warm Spring?
Bridger Canyon Warm Spring has a water temperature of 70°F (21°C). This is a warm thermal spring.
Where is Bridger Canyon Warm Spring located?
Bridger Canyon Warm Spring is located in Gallatin County, Montana at 4,891 feet elevation, near Bozeman. Coordinates: 45.7080°N, 110.9760°W.
How do I get to Bridger Canyon Warm Spring?
Bridger Canyon Warm Spring has Roadside road access, with the nearest road being Bridger Canyon Road (84 ft from the road).
Is Bridger Canyon Warm Spring free to visit?
Bridger Canyon Warm Spring has Restricted access. It is managed by US Fish and Wildlife Service.
Can I camp near Bridger Canyon Warm Spring?
Yes, Trail Creek Cabin is located nearby (11.7 miles away).
What minerals are in the water at Bridger Canyon Warm Spring?
Water chemistry analysis shows the presence of pH, Total Dissolved Solids, Calcium, Magnesium, Sodium, Sulfate, Chloride, Iron. The pH is 7.8 (slightly alkaline). Total dissolved solids measure 230 mg/L.
Is it safe to soak at Bridger Canyon Warm Spring?
Bridger Canyon Warm Spring is generally safe for soaking at its recorded temperature. Always tell someone your plans before visiting remote hot springs.
Is Bridger Canyon Warm Spring crowded?
Bridger Canyon Warm Spring is accessible from a paved road, making it easy to reach. Weekends and holidays may be busier — consider visiting on a weekday for a quieter experience.
What should I bring to Bridger Canyon Warm Spring?
Essentials for Bridger Canyon Warm Spring: swimsuit, towel, water bottle, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in.