Dall Hot Springs
Dall Hot Springs emerge at 129°F from the remote backcountry north of Fairbanks, delivering a 103-degree temperature differential above the region's average air temperature of 26°F. Access requires 16 miles of off-road travel, making this a destination for experienced backcountry visitors.
Located at 409 feet elevation in boreal forest along a winter trail, the spring flows into terrain where permafrost dominates and summer lasts only weeks. Thermal water contrasts sharply with surrounding spruce forest and the extreme continental cold that defines this subarctic landscape year-round.
Backcountry access is essential—the winter trail provides the nearest route 16 miles distant. Visit during June through September when conditions allow safe approach. Winter access may be possible but requires specialized equipment. Nearest services are in Ester. Average annual snowfall of 35 inches and 12 inches of precipitation demand proper planning.
Dall Hot Springs formed through geothermal activity accessed via the winter trail in Interior Alaska's Dalton Highway region. The spring's 129°F temperature maintains consistent thermal output in terrain managed by the National Park Service, reflecting deep crustal heat sources beneath the Yukon River valley.
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Five Mile Campground is located approximately 4 miles north of the Yukon River crossing, at Dalton Highway milepost 60. Newly improved in 2022, it offers a vault toilet, potable water in an artesian well, the only RV dump station along the Dalton Highway, and 7 gravel campsites each with a picnic table and fire ring. A campground host may be present from late May to early September. July 5, 2023: The RV dump station is not available for use at this time due to unforeseen damage. Repairs ar...
Dall Hot Springs requires a hike to reach, so pack light but prepared. The water runs hot, so extra hydration is key. Cold air temperatures make a changing robe or warm layers essential.
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