Geyser — Not a Soaking Spring
Geyser Warm Spring is a geyser, not a traditional hot spring. These geothermal features can be extremely dangerous — boiling water, toxic gases, and unstable ground are common hazards. Do not attempt to soak.
Geyser Warm Spring flows at 82 degrees Fahrenheit within San Juan National Forest's high-elevation terrain at 9,697 feet, requiring a 1.4-kilometer walk through remote alpine country to reach this hidden thermal feature in Colorado's southwestern mountains.
The approach climbs through subalpine forest of spruce and fir to reach water emerging amid high rocky terrain. Cayton Campground nestles along the San Juan Skyway nearby, offering base camp facilities for visitors. The setting represents true high-country experience with limited trail traffic despite excellent trout fishing in Dolores River drainage.
History of Geyser Warm Spring
Geyser Warm Spring's name reflects historical perception of its intermittent or pulsing thermal behavior. Water chemistry dominated by sodium at 400 mg/L and calcium at 170 mg/L suggests circulation through limestone-rich geologic horizons at depth. The spring's location within protected forest adds geological and ecological significance.
Trailhead access begins near Cayton Campground along the San Juan Skyway (Highway 145). A 1.4-kilometer walk through forest reaches the spring—suitable for moderate hikers with maps. Best visited mid-June through September when snow clears and trails are passable. Bring water for the return hike.
Is Geyser Warm Spring worth visiting?
Best for
- Warm-water soaking
- Overnight camping trips
Geyser Warm Spring is well suited for warm-water soaking and overnight camping trips.
Annual Precip: 33.9 in
Annual Snow: 134.7 in
December
Air 18°F · Water 82°F · +64° contrast
January
Air 19°F · Water 82°F · +63° contrast
February
Air 20°F · Water 82°F · +62° contrast
December offers 41°F more contrast than July
Recent Temperature
82.4°F
(28.0°C)
Measured Sep 17, 1975
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...
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 Cayton Campground
Trash bag
Pack out what you pack in
2 miles from Mountain Village, CO
USGS Quad: (RICO 7.5) · NOAA: 3.0 · AMS Map: CORTEZ
What is the water temperature at Geyser Warm Spring?
Geyser Warm Spring has a water temperature of 82°F (28°C). This is a warm thermal spring.
Where is Geyser Warm Spring located?
Geyser Warm Spring is located in San Miguel County, Colorado at 9,697 feet elevation, near Mountain Village. Coordinates: 37.7470°N, 108.1170°W.
How do I get to Geyser Warm Spring?
Geyser Warm Spring has Short Walk road access (0.9 mi from the road).
Is Geyser Warm Spring free to visit?
Geyser Warm Spring has Open access. It is managed by US Forest Service.
Can I camp near Geyser Warm Spring?
Yes, Cayton Campground is located nearby (7.8 miles away).
Is it safe to soak at Geyser Warm Spring?
Geyser Warm Spring is generally safe for soaking at its recorded temperature. Always tell someone your plans before visiting remote hot springs.
Is Geyser Warm Spring crowded?
Geyser Warm Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Geyser Warm Spring?
Essentials for Geyser 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.