
Illustrative images. The pictures in this guide are illustrations based on the real place, not photographs, and may differ from it.
Permafrost: the ground that never thaws
The ground that stays frozen all year, sometimes for thousands of years, beneath Alaska, Canada, Siberia, Greenland and the high mountains, and what changes when it starts to thaw.
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Tap a point on the map. About a quarter of the Northern Hemisphere's land has permafrost underneath; Brazil has none.
Sources: NSIDC (US National Snow and Ice Data Center), International Permafrost Association, Melnikov Permafrost Institute and CRREL. Map: Natural Earth.
Where to see it on your trip
Places in the guide related to this topic.
In the North American Arctic


Museu do Norte da Universidade do Alasca

Fairbanks

Anchorage

Yellowknife

Whitehorse

Churchill
In Greenland and Svalbard

Ilulissat

Nuuk

Kangerlussuaq
In the high mountains

Zermatt

Mendoza
Antarctica


