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Eldorado Springs emerges at 79 degrees Fahrenheit in Boulder County's foothills as a low-mineralization thermal seep just 9 meters from Chesebro Way—among Colorado's most convenient roadside thermal experiences.
Water flows in a setting of Front Range foothills where pine and Douglas fir frame the small spring area. The immediate roadside access offers minimal immersion opportunity but provides straightforward viewing of thermal discharge in a landscape overlooking Boulder Valley's developed front range zone at 5,758 feet.
History of Eldorado Springs
Eldorado Springs represents Colorado's marginal geothermal systems—water heated by circulation through fracture networks rather than proximity to magmatic heat. This modest spring maintains consistent temperatures year-round, suggesting stable deep aquifer conditions beneath the northern Colorado Front Range.
Located immediately adjacent to Chesebro Way near Boulder, Eldorado Springs requires no hiking. Water reaches only 79 degrees and flows in a small seep unsuitable for full immersion. The site offers roadside viewing only. Access is available year-round; the proximity to Boulder provides nearby services and accommodations.
Is Eldorado Springs worth visiting?
Best for
- Easy day trips
- Overnight camping trips
Eldorado Springs is well suited for easy day trips and overnight camping trips.
Annual Precip: 23.8 in
Annual Snow: 60.9 in
January
Air 25°F · Water 79°F · +54° contrast
February
Air 26°F · Water 79°F · +53° contrast
December
Air 26°F · Water 79°F · +53° contrast
January offers 46°F more contrast than July
Recent Temperature
77.0°F
(25.0°C)
Measured Apr 26, 1976
Overview
Kelly Dahl Campground is located adjacent to the Peak-to-Peak Scenic Byway, near the historic mining towns of Nederland, Rollinsville, Central City and Black Hawk.Recreation
Although no formal trails exist in the campground, a few closed roads offer campers the opportunity to explore the surrounding area. West Magnolia and East Portal Trailheads offer trails within a short drive. The Rollins Pass Road (Moffat Road) and other off-road routes can be found in the vicinity.
The lakes ac...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at Kelly Dahl
Trash bag
Pack out what you pack in
USGS Quad: ELDORADO SPRINGS 7.5 · PP 492: 4.0 · NOAA: 1.0 · AMS Map: DENVER
What is the water temperature at Eldorado Springs?
Eldorado Springs has a water temperature of 79°F (26°C). This is a warm thermal spring.
Where is Eldorado Springs located?
Eldorado Springs is located in Boulder County, Colorado at 5,758 feet elevation, near Boulder. Coordinates: 39.9320°N, 105.2770°W.
How do I get to Eldorado Springs?
Eldorado Springs has Roadside road access, with the nearest road being Chesebro Way (30 ft from the road).
Can I camp near Eldorado Springs?
Yes, Kelly Dahl is located nearby (11.7 miles away).
Is it safe to soak at Eldorado Springs?
Eldorado Springs 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 Eldorado Springs crowded?
Eldorado Springs 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 Eldorado Springs?
Essentials for Eldorado Springs: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in.