Okpilak Springs

North Slope Borough County, Alaska · Near Prudhoe Bay
69.3300°N, 144.0440°W · 2,550 ft
2,550 ft Restricted Backcountry US Fish and Wildlife Service

Okpilak Springs reach 119 degrees Fahrenheit (48.5°C) within Alaska's Arctic National Wildlife Refuge at 2,550 feet elevation, protected in perpetuity under the strictest conservation status. These thermally active springs represent one of Arctic Alaska's most pristine geothermal systems with restricted public access.

The Arctic's northernmost landscapes surround Okpilak Springs in tundra-dominated terrain above the Arctic Circle. At 2,550 feet elevation, winters average 21 degrees Fahrenheit with nearly 60 inches of snow annually, creating an extreme environment where thermal activity provides visible warmth against arctic conditions.

History of Okpilak Springs

These springs occupy the Arctic National Wildlife Refuge, established through federal protection to preserve wilderness values and wildlife habitat. The restricted access maintains the springs in a natural state for conservation purposes, protecting this geothermal system from intensive human use while recognizing its ecological significance.

Visiting requires advance USFWS permit and exceptional expedition planning resources. Located 75 kilometers from the nearest tractor trail, access proves possible only during brief summer months via plane-supported expedition or multi-week backpacking expeditions. This location remains suitable only for elite wilderness travelers.

Is Okpilak Springs worth visiting?

Best for

  • Backpacking adventures

Not ideal for

  • Day trips with young children
Okpilak Springs rewards those willing to make the trek with a more secluded soaking experience.
Monthly Climate
-1°
Jan
Feb
Mar
17°
Apr
34°
May
46°
Jun
51°
Jul
45°
Aug
33°
Sep
19°
Oct
Nov
-1°
Dec
Annual Precip: 19.8 in Annual Snow: 59.1 in
USGS Field Measurements
Recent Temperature 119.3°F (48.5°C) Measured Aug 27, 1976
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
References
NOAA: 1.0 · AMS Map: MT. MICHELSON
Frequently Asked Questions
Where is Okpilak Springs located?
Okpilak Springs is located in North Slope Borough, Alaska at 2,550 feet elevation, near Prudhoe Bay. Coordinates: 69.3300°N, 144.0440°W.
How do I get to Okpilak Springs?
Okpilak Springs has Backcountry road access, with the nearest road being Tractor Trail (46.9 mi from the road).
Is Okpilak Springs free to visit?
Okpilak Springs has Restricted access. It is managed by US Fish and Wildlife Service.
Is it safe to soak at Okpilak Springs?
Okpilak Springs is generally safe for soaking at its recorded temperature. Always tell someone your plans before visiting remote hot springs.
Is Okpilak Springs crowded?
Okpilak 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 Okpilak Springs?
Essentials for Okpilak Springs: 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.
Temperature
No data recorded
Avg Air Temp 21°F
Access
Restricted
Road Access Backcountry
Nearest Road Tractor Trail
Distance to Road 46.9 mi
Land
Ownership Federal
Agency US Fish and Wildlife Service
Designation National Wildlife Refuge
Unit Arctic National Wildlife Refuge
Manager US Fish and Wildlife Service
Protection 1 - Permanent protection, natural state