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.
History of Dall Hot Springs
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.
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.
Is Dall Hot Springs worth visiting?
Best for
- Hot spring soaking
- Backpacking adventures
- Overnight camping trips
- Winter soaking with dramatic temperature contrast
Not ideal for
- Day trips with young children
Dall Hot Springs rewards those willing to make the trek with a more secluded soaking experience.
Annual Precip: 12.0 in
Annual Snow: 35.5 in
January
Air -11°F · Water 129°F · +140° contrast
December
Air -6°F · Water 129°F · +135° contrast
February
Air -4°F · Water 129°F · +133° contrast
January offers 74°F more contrast than July
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...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Sturdy footwear
Trail or off-road approach
Warm layers
Cold air before and after soaking
Camping gear
Nearby camping at Five Mile Campground
Trash bag
Pack out what you pack in
Water shoes
Hot ground near source
USGS Quad: (BEAVER (A-6) 15) · NOAA: 1.0 · AMS Map: BEAVER
What is the water temperature at Dall Hot Springs?
Dall Hot Springs has a water temperature of 129°F (54°C). This is considered a hot spring, well above body temperature.
Where is Dall Hot Springs located?
Dall Hot Springs is located in Fairbanks North Star Borough, Alaska at 409 feet elevation, near Ester. Coordinates: 66.2170°N, 149.5470°W.
How do I get to Dall Hot Springs?
Dall Hot Springs has Backcountry road access, with the nearest road being Winter Trail (16.4 mi from the road).
Can I camp near Dall Hot Springs?
Yes, Five Mile Campground is located nearby (22.1 miles away). No fee.
Is it safe to soak at Dall Hot Springs?
At 129°F, Dall Hot Springs is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Dall Hot Springs crowded?
Dall Hot Springs requires a hike or off-road travel, which naturally limits crowds. You'll generally find fewer visitors on weekdays and outside peak season.
What should I bring to Dall Hot Springs?
Essentials for Dall Hot Springs: swimsuit, towel, water bottle, sturdy footwear for the approach, warm layers for before and after soaking, camping gear, a trash bag to pack out what you pack in. The water is over 110°F — test the temperature before entering and watch for scalding near the source.