
North America
Borealis Basecamp
Fairbanks, Alaska, USA
DARK SKY INDEX
9
Exceptional Dark Sky
BORTLE CLASS
Class 1 — Exceptional Dark Sky
ELEVATION
600 ft
CLEAR NIGHTS
160 per year
BEST SEASON
Late August to late April for aurora · Summer for midnight sun
About
Borealis Basecamp
Fairbanks sits directly beneath what scientists call the auroral oval — the ring-shaped zone around Earth's magnetic pole where charged particles from the sun enter our atmosphere the most often. It is the very reason that Borealis Basecamp is here. Talk about location!
Twenty-five miles north of the city, on 100 acres of boreal forest, the camp's igloos sit on a ridgeline positioned to maximize the northern sky. Each dome faces northeast — the direction from which the aurora most frequently appears. The ceiling window is made from a fiberglass composite specifically developed to be clearer than glass with zero internal reflection. You lie in a heated bed and look up. When the lights come, they come to you. The staff wake you if you're asleep. This is the way to view the aurora!
Scientists tell us that the universe communicates through physical forces we can observe but rarely understand in the moment of experiencing them. The aurora is a good example of this. Those green and violet curtains moving across the sky, are the sun's magnetic energy colliding with Earth's magnetic field and then cascading into the atmosphere as visible light. The colors are so vibrant and the scale is almost incomprehensible. Lying in an igloo at Borealis Basecamp at two in the morning watching it happen is one of the most luxurious experiences we can imagine.
The camp's dining at Latitude 65 uses local Alaskan ingredients with genuine ambition. Activities beyond aurora watching include dog sledding, snowmobiling, reindeer experiences, and helicopter excursions. A travel tip: autumn is the camp's best-kept secret. September brings the birch trees into gold, the aurora returns after the summer's midnight sun, and the temperatures are milder than deep winter. Many guests who have been in both seasons say September is the one they recommend. What a great debate to have under the stars!
Dark Sky Details
The science fact that changes how you watch the aurora: the green light — the most common color — is produced by oxygen atoms approximately 100 kilometers above the surface, releasing photons as solar electrons excite them and they return to their ground state. The rarer red aurora appears higher, above 300 kilometers. Violet and blue come from nitrogen. The color you are seeing is a map of altitude and atmospheric chemistry, written in light across the sky in real time.
Fairbanks sits at latitude 64.8 degrees north — close enough to the magnetic pole that the auroral oval passes directly overhead during moderate solar activity, rather than sitting on the horizon as it does at lower latitudes. This is the critical difference between seeing the aurora as a distant shimmer and being directly underneath it as it fills the entire sky. Clear nights in interior Alaska average around 160 per year, though the aurora is often visible through a thin cloud as a diffused pulse of light.
Ready to see it for yourself? Start planning your stay at Borealis Basecamp.
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PLAN YOUR VISIT
9
Exceptional Dark Sky
NEAREST AIRPORT
Fairbanks International Airport (FAI), 25 miles - shuttle included in packages
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