Dunton Hot Spring

San Miguel County, Colorado · Near Mountain Village
37.7710°N, 108.0910°W · 8,850 ft
108°F 8,850 ft Short Walk Camping nearby (6.2 mi)

Dunton Hot Spring emerges at 108 degrees Fahrenheit in the remote San Juan Mountains at 8,850 feet, requiring a short walk through alpine terrain to reach a thermal feature surrounded by peaks exceeding 13,000 feet elevation.

Location
0 miles from Mountain Village, CO

Water flows into a high-mountain setting where West Fork Dolores River drainage shapes the landscape. The short walk through coniferous forest and subalpine meadow leads to the spring amid towering red rock formations and talus slopes. Average winter snowfall exceeds 134 inches annually at this remote location.

Locate the spring via trailhead near Dunton's restored historic buildings, approximately 25-35 miles southwest of Telluride. A short walk of 300 meters reaches the thermal area. Summer provides the only practical access window; winter and spring snowmelt close the approach road. Plan for cold nights even in peak season.

History of Dunton Hot Spring

Dunton Hot Spring lies near the historic log buildings of Dunton, an early settlement in Colorado's San Juan region. The spring's 108-degree water and moderate mineral content suggest circulation to depths of 2,000-3,000 feet through the San Juan volcanic system, reflecting regional tectonic and geothermal patterns.

Monthly Climate
21°
Jan
22°
Feb
29°
Mar
35°
Apr
42°
May
55°
Jun
60°
Jul
59°
Aug
52°
Sep
41°
Oct
28°
Nov
20°
Dec
Annual Precip: 33.9 in Annual Snow: 134.7 in
Best Time to Visit
December Air 20°F · Water 108°F · +88° contrast
January Air 21°F · Water 108°F · +87° contrast
February Air 22°F · Water 108°F · +86° contrast
December offers 40°F more contrast than July
Current Conditions
27°F
Clear SE 25.0 mph 68% Good soaking weather
Thursday 52° Low 18° Sunny 1% precip
Spring is +56° warmer
Friday 59° Low 32° Sunny 1% precip
Spring is +49° warmer
Saturday 60° Low 35° Sunny 2% precip
Spring is +48° warmer
Sunday 64° Low 34° Sunny 1% precip
Spring is +44° warmer
Monday 69° Low 37° Sunny
Spring is +39° warmer
Water Chemistry Sampled 1976-04-15

The water at Dunton Hot Spring is slightly acidic (pH 6.4). It is notably rich in calcium (may support bone density and joint health), magnesium (known for muscle relaxation and stress relief), and sulfate (traditionally used for skin conditions and inflammation).

pH 6.4 Slightly Acidic
pH influences mineral absorption through skin
Calcium 340 mg/L
May support bone density and joint health
Magnesium 45 mg/L
Known for muscle relaxation and stress relief
Sodium 34 mg/L
Supports circulation and skin hydration
Sulfate 310 mg/L
Traditionally used for skin conditions and inflammation
Chloride 7 mg/L
Natural antiseptic with skin health benefits
Iron 1100 µg/L
Iron-rich springs may support circulation
Where to Stay

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Nearby Camping
Cayton Campground 6.2 mi away

Overview Cayton Campground is located along the San Juan Skyway (Colorado Highway 145) and the Dolores River. Visitors enjoy the area for its great fishing, hiking and scenic driving opportunities.Recreation The Dolores River is a popular fishing destination that can often be crowded on summer weekends. Anglers will find rainbow, brown and cutthroat trout. The area boasts some excellent trails. The Colorado Trail follows the ridge across Bolam Pass. The Lizard Head and Cross Mountain Trails...

Reservable Yes
Reserve on Recreation.gov →
High Altitude Advisory 8,850 ft

At 8,850 feet, Dunton Hot Spring is in high-altitude territory where the air is noticeably thinner. Soaking in hot water accelerates dehydration and can amplify altitude effects like headache and fatigue. UV radiation is roughly 35% stronger here — wear sunscreen even on overcast days and take breaks from the water to rehydrate.

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Temperature
108°F
Warm Hot Boiling
Water Temp 108°F (42°C)
Avg Air Temp 39°F
Above Ambient +69°F
Great soaking conditions May
Access
Road Access Short Walk
Distance to Road 0.2 mi
Frequently Asked Questions
What is the water temperature at Dunton Hot Spring?
Dunton Hot Spring has a water temperature of 108°F (42°C). This is considered a hot spring, well above body temperature.
Where is Dunton Hot Spring located?
Dunton Hot Spring is located in San Miguel County, Colorado at 8,850 feet elevation, near Mountain Village. Coordinates: 37.7710°N, 108.0910°W.
How do I get to Dunton Hot Spring?
Dunton Hot Spring has Short Walk road access (0.2 mi from the road).
Can I camp near Dunton Hot Spring?
Yes, Cayton Campground is located nearby (6.2 miles away).
What minerals are in the water at Dunton Hot Spring?
Water chemistry analysis shows the presence of pH, Calcium, Magnesium, Sodium, Sulfate, Chloride, Iron. The pH is 6.4 (slightly acidic).
Is it safe to soak at Dunton Hot Spring?
Dunton Hot Spring is generally safe for soaking at its recorded temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Dunton Hot Spring crowded?
Dunton Hot Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Dunton Hot Spring?
Essentials for Dunton 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.
Sources: USGS NWIS, Wikipedia