Five Of The World’s Most Intricate Ice Caves

Published March 1, 2012
Updated August 15, 2025

A tour of the world's most fascinating and beautiful ice caves.

Interesting Ice Caves: Eisriesenwelt, Austria

Intricate Ice Caves Eisriesenwelt

Located forty kilometers south of Salzburg, Austria on Mount Hochkogel, the Eisriesenwelt cave is the largest ice cave in the world. Discovered in 1879 by natural scientist Anton Posselt, the name translates to the “World of Ice Giants,” which is a rather apt one given that the ice and limestone covered wonder stretches for 38 kilometers.

A tour of the Eisriesenwelt ice cave.

While the Salzach River erosion process formed passageways in the mountain to create Eisriesenwelt, other ice caves in the region were formed by snow thawing, seeping into the slots and eventually freezing there during the winter.

Eisriesenwelt Cave

Eisriesenwelt Ice Caves

Eisriesenwelt Cave

Eisriesenwelt Austria

Patagonia Glacier National Park, Argentina

Patagonia Glacier National Park

The Glacier National Park in Patagonia, Argentina is home to some of the most amazing glaciers in the world. Embedded within these glaciers are various ice caves to explore, all of which have been formed by water running through or under the glacier.

Patagonia Glacier

Pantagonia Ice Caves

Patagonia

Patagonia Caves

Big Four Ice Caves

Intricate Ice Caves Big Four

Located in the Cascade Range of Washington, the Big Four Mountain trail’s illustrious caves make it one of the most popular hiking destinations in the state. The mountain itself is over 6,000 feet tall and its staggering ice caves are created during the summer when snow melts and causes ice debris to pile up.

Big Four Ice Cave

Big Four Washington Caves

Intricate Ice Caves: Vatnajökull, Iceland

Vatnajökull Iceland

With pristine blue ice caves located inside of it, Vatnajökull is the largest glacier in Iceland. The glacier and the caves maintain centuries old ice and are able to be enjoyed thanks to the ice that flows from the region’s tallest active volcano.

Vatnajökull Ice Cave

Intricate Ice Caves Vatnajökull

Mount Erebus Ice Caves, Antarctica

Mount Erebus Ice Caves Antarctica

Mount Erebus houses numerous ice caves that are the mystifying results of the Erebus volcano’s hot gases. The volcanic gases travel up through the cracks in the rock and seep into the summit of the mountain, where they eventually form an intricate system of ice caves.

Rather rococo, each ice cave room is covered in hexagonal ice crystals and ice particles that hang from the ceiling.

Intricate Ice Caves Mount Erebus

Mount Erebus

Mount Erebus Antarctic


If you enjoyed seeing these incredible ice caves, be sure to see All That Is Interesting’s articles on the most surreal places in the world and New Zealand’s iridescent caves.

author
Mamta Bhatt
author
editor
Savannah Cox
editor
Savannah Cox holds a Master's in International Affairs from The New School as well as a PhD from the University of California, Berkeley, and now serves as an Assistant Professor at the University of Sheffield. Her work as a writer has also appeared on DNAinfo.
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Bhatt, Mamta. "Five Of The World’s Most Intricate Ice Caves." AllThatsInteresting.com, March 1, 2012, https://allthatsinteresting.com/intricate-ice-caves. Accessed August 21, 2025.