Chattanooga Hot Spring emerges at just 49 degrees Fahrenheit at 10,720 feet elevation near Silverton in San Juan County. Located along the famous Million Dollar Highway, this is one of Colorado's coolest and highest-elevation thermal springs.
The spring flows through San Juan National Forest near the legendary Million Dollar Highway, surrounded by dramatic peaks and high-altitude terrain. A 450-foot walk from the road provides access through alpine meadows and sparse vegetation typical of extreme elevation.
History of Chattanooga Hot Spring
The spring's cool temperature and alkaline pH suggest circulation through carbonate-rich formations at extreme depth and pressure. The Million Dollar Highway's historical construction created modern access to previously remote mountain terrain, opening the area to public visitation.
Park safely at highway pullouts; walk approximately 450 feet to reach the spring. Summer-only access from mid-July through September allows for practical visits; heavy snow closes the highway seasonally. Check highway conditions before departing, as weather changes rapidly at this elevation.
Is Chattanooga Hot Spring worth visiting?
Chattanooga Hot Spring is well suited for overnight camping trips.
Annual Precip: 35.6 in
Annual Snow: 150.3 in
Recent Temperature
47.7°F
(8.7°C)
Measured Sep 19, 1995
The water at Chattanooga Hot Spring is alkaline (pH 8.7) with 126 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
South Mineral Campground, located along South Mineral Creek, is one of the most popular campgrounds in the San Juan National Forest. The campground has 26 sites, all of which are first-come, first-serve. Most campsites are shaded and well-spaced thanks to spruce and fir trees. Some sites are handicapped accessible. Some sites have large parking areas.Services include water, trash pickup, fire grates, picnic tables, and pit toilets. Bear-safe food storage is recommended. No electricity. Bet...
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 South Mineral Campground
Trash bag
Pack out what you pack in
0 miles from Silverton, CO
Where is Chattanooga Hot Spring located?
Chattanooga Hot Spring is located in San Juan County, Colorado at 10,720 feet elevation, near Silverton. Coordinates: 37.8729°N, 107.7253°W.
How do I get to Chattanooga Hot Spring?
Chattanooga Hot Spring has Short Walk road access, with the nearest road being Million Dollar Highway (458 ft from the road).
Is Chattanooga Hot Spring free to visit?
Chattanooga Hot Spring has Open access. It is managed by USFS.
Can I camp near Chattanooga Hot Spring?
Yes, South Mineral Campground is located nearby (5.4 miles away).
What minerals are in the water at Chattanooga Hot Spring?
Water chemistry analysis shows the presence of pH, Total Dissolved Solids, Calcium, Magnesium, Sodium, Sulfate, Chloride. The pH is 8.7 (alkaline). Total dissolved solids measure 126 mg/L.
Is it safe to soak at Chattanooga Hot Spring?
Chattanooga Hot Spring is generally safe for soaking at its recorded temperature. Always tell someone your plans before visiting remote hot springs.
Is Chattanooga Hot Spring crowded?
Chattanooga Hot Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Chattanooga Hot Spring?
Essentials for Chattanooga Hot Spring: swimsuit, towel, water bottle, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in.