Eldorado Springs
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.
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
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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...