Askyn Ice Cave, Ice cave in Bashkortostan, Russia
Askyn Ice Cave is a protected natural cave carved into limestone in the Ural Mountains of Bashkortostan, Russia, classified as a natural monument. Its interior opens into a large main chamber where columns of ice rise from the floor and frozen formations cover much of the ground.
The cave was first studied by scientists in the early 20th century, and it was later formally protected as a natural monument of the Russian Federation. Before that, the local Bashkir population had long known the site and used the surrounding valley for centuries.
The cave is known locally by its Bashkir name, and the word Askyn refers to the river and valley that surround it. People from the region visit mostly in summer, when the contrast between the outside heat and the frozen interior feels most striking.
The temperature inside stays below freezing throughout the year, so warm layers and sturdy boots with grip are needed even on warm summer days. The floor is often covered in ice and can be slippery, so moving slowly and staying on marked paths helps avoid falls.
The ice inside the cave does not come from an underground water source but forms when cold winter air flows in through the entrance and freezes the water that seeps through the rock. In summer, the outer layer of ice may melt slightly, but the core formations survive the warmer months intact.
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