Canada's Cold Pole
Snag is a small, near-abandoned settlement near the Alaska border in the Yukon. On February 3, 1947, it recorded -63°C (-81.4°F) — the lowest temperature ever measured in continental North America. Air so cold was observed to freeze breath into crystals and distort sound for kilometers.
Life at the Limit
The site was originally a wartime airstrip. The handful of people who lived there coped with extreme cold through heavy insulation, short outdoor exposures, and a deep reliance on fuel — a living demonstration of the engineering humans need to survive the coldest climates.
A Test Site for Cold Tech
Snag remains a reference point for cold-climate engineering — from building materials and vehicles to clothing — showing the absolute floor of what "extreme climate" means in North America.
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