Hot Spring Near Port Moller

Aleutians East Borough County, Alaska · Near Sand Point
55.8630°N, 160.4930°W · 0 ft
160°F 0 ft Restricted Backcountry US Fish and Wildlife Service
Very Hot Source — Use Extreme Caution

At 160°F, the source water at Hot Spring Near Port Moller is hot enough to cause burns. Some hot springs this hot have cooler side pools or downstream areas suitable for soaking — always test the water temperature before entering.

At 160 degrees Fahrenheit, this spring ranks among Alaska's hottest thermal features, producing water 120 degrees above the frigid ambient environment at sea level within Alaska Peninsula National Wildlife Refuge.

The spring emerges at the coastline where ocean influences moderate temperatures slightly compared to interior locations. The surrounding terrain features coastal mountains, tidal flats, and active marine ecosystems supporting marine mammals and seabirds.

History of Hot Spring Near Port Moller

The spring's extraordinary heat reflects deep geothermal systems in a region shaped by active subduction zone geology and ongoing volcanic influences beneath the Alaska Peninsula. Federal protection preserves its pristine condition.

Access remains restricted and requires special permits. The sea level location and extreme temperature create hazardous conditions requiring caution and proper preparation for any potential visit.

Is Hot Spring Near Port Moller worth visiting?

Best for

  • Observing powerful hot springs
  • Backpacking adventures
  • Winter soaking with dramatic temperature contrast

Not ideal for

  • Casual soaking
  • Day trips with young children
Hot Spring Near Port Moller rewards those willing to make the trek with a more secluded soaking experience.
Monthly Climate
29°
Jan
31°
Feb
29°
Mar
35°
Apr
41°
May
48°
Jun
53°
Jul
54°
Aug
49°
Sep
43°
Oct
36°
Nov
31°
Dec
Annual Precip: 53.2 in Annual Snow: 109.6 in
Best Time to Visit
January Air 29°F · Water 160°F · +131° contrast
March Air 29°F · Water 160°F · +131° contrast
February Air 31°F · Water 160°F · +129° contrast
January offers 25°F more contrast than August
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: PORT MOLLER (D-2) 15 · PP 492: 54.0 · NOAA: 1.0 · AMS Map: PORT MOLLER
Frequently Asked Questions
What is the water temperature at Hot Spring Near Port Moller?
Hot Spring Near Port Moller has a water temperature of 160°F (71°C). This is considered a hot spring, well above body temperature.
Where is Hot Spring Near Port Moller located?
Hot Spring Near Port Moller is located in Aleutians East Borough, Alaska at 0 feet elevation, near Sand Point. Coordinates: 55.8630°N, 160.4930°W.
How do I get to Hot Spring Near Port Moller?
Hot Spring Near Port Moller has Backcountry road access, with the nearest road being Port Moller Facilities Road (7.9 mi from the road).
Is Hot Spring Near Port Moller free to visit?
Hot Spring Near Port Moller has Restricted access. It is managed by US Fish and Wildlife Service.
Is it safe to soak at Hot Spring Near Port Moller?
The water at Hot Spring Near Port Moller reaches 160°F, which can cause severe burns. Do not enter the source pool directly — look for cooled side pools or downstream areas where the water has cooled to a safe temperature. Always tell someone your plans before visiting remote hot springs.
Is Hot Spring Near Port Moller crowded?
Hot Spring Near Port Moller 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 Spring Near Port Moller?
Essentials for Hot Spring Near Port Moller: 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
160°F
Warm Hot Boiling
Water Temp 160°F (71°C)
Avg Air Temp 40°F
Above Ambient +120°F
Perfect soaking weather March
Access
Restricted
Road Access Backcountry
Nearest Road Port Moller Facilities Road
Distance to Road 7.9 mi
Land
Ownership Federal
Agency US Fish and Wildlife Service
Designation National Wildlife Refuge
Unit Alaska Peninsula National Wildlife Refuge
Manager US Fish and Wildlife Service
Protection 2 - Permanent protection, some use allowed