Hot Springs Near Dulbi River

Kenai Peninsula Borough County, Alaska · Near Nikiski
65.2670°N, 155.2800°W · 735 ft
126°F 735 ft Open Backcountry Bureau of Land Management

Near the Dulbi River, this 126°F spring delivers geothermal power 98.4°F above ambient air in remote Bureau of Land Management territory, requiring 36.6 miles of backcountry travel from the Lena Loop.

The spring flows through interior Alaskan wilderness at 735 feet elevation, surrounded by landscape shaped by geothermal activity and pristine backcountry terrain. Annual temperatures average 28°F with moderate precipitation, creating an environment where thermal water contrasts dramatically with the surrounding cold landscape.

History of Hot Springs Near Dulbi River

The spring's heat source reflects Alaska's deep geothermal systems, formed by tectonic and volcanic processes beneath the interior plateau. BLM management allows extractive use on designated lands, balancing resource protection with appropriate wilderness access in this remote field office.

This backcountry spring requires serious expedition planning from the Lena Loop—expect 36.6 miles of remote travel. Open public access on BLM lands with standard permit requirements. Annual snowfall reaches 46 inches; visit during summer months when travel is feasible. Prepare for extreme remoteness and self-sufficient travel through undeveloped wilderness.

Is Hot Springs Near Dulbi River worth visiting?

Best for

  • Hot spring soaking
  • Backpacking adventures
  • Winter soaking with dramatic temperature contrast

Not ideal for

  • Day trips with young children
Hot Springs Near Dulbi River rewards those willing to make the trek with a more secluded soaking experience.
Monthly Climate
-5°
Jan
Feb
11°
Mar
28°
Apr
45°
May
57°
Jun
59°
Jul
53°
Aug
42°
Sep
29°
Oct
Nov
Dec
Annual Precip: 20.1 in Annual Snow: 46.3 in
Best Time to Visit
January Air -5°F · Water 126°F · +131° contrast
December Air 0°F · Water 126°F · +126° contrast
February Air 3°F · Water 126°F · +123° contrast
January offers 63°F more contrast than July
What to Bring
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
Trash bag Pack out what you pack in
Water shoes Hot ground near source
References
USGS Quad: (MELOZITNA (B-5) 15) · Circ 790: 7.0 · NOAA: 1.0 · AMS Map: MELOZITNA
Frequently Asked Questions
What is the water temperature at Hot Springs Near Dulbi River?
Hot Springs Near Dulbi River has a water temperature of 126°F (52°C). This is considered a hot spring, well above body temperature.
Where is Hot Springs Near Dulbi River located?
Hot Springs Near Dulbi River is located in Kenai Peninsula Borough, Alaska at 735 feet elevation, near Nikiski. Coordinates: 65.2670°N, 155.2800°W.
How do I get to Hot Springs Near Dulbi River?
Hot Springs Near Dulbi River has Backcountry road access, with the nearest road being Lena Loop (36.6 mi from the road).
Is Hot Springs Near Dulbi River free to visit?
Hot Springs Near Dulbi River has Open access. It is managed by Bureau of Land Management.
Is it safe to soak at Hot Springs Near Dulbi River?
At 126°F, Hot Springs Near Dulbi River is hot enough to require caution. Enter slowly, limit soaking sessions to 15–20 minutes, and stay hydrated. Always tell someone your plans before visiting remote hot springs.
Is Hot Springs Near Dulbi River crowded?
Hot Springs Near Dulbi River 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 Hot Springs Near Dulbi River?
Essentials for Hot Springs Near Dulbi River: swimsuit, towel, water bottle, sturdy footwear for the approach, warm layers for before and after soaking, 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.
Temperature
126°F
Warm Hot Boiling
Water Temp 126°F (52°C)
Avg Air Temp 28°F
Above Ambient +98°F
Perfect soaking weather March
Access
Open
Road Access Backcountry
Nearest Road Lena Loop
Distance to Road 36.6 mi
Land
Ownership Federal
Agency Bureau of Land Management
Designation PUB
Unit Central Yukon Field Office
Manager Bureau of Land Management
Protection 3 - Protected, subject to extractive use