The big glacier in Iceland can be get hold in the Vatnajökull National Park , and a " snake " lurks within it in the form of an ice cave . Its spectacular nickname is the Anaconda Ice Cave for its long and winding shape that mirrors that of the world’sgirthiestsnakes . It ’s also known as Crystal Ice Cave for the smooth , racy trash that look as if it was cut up out of a Fox ’s Glacier Mint .
Glacier cave get their uniquely blasphemous coloration as a result of the pressure exerted by pack ice . This pushes all the air out of it , which is what typically reach ice appear white rather than blue .
“ It ’s a result of a process that takes 100 of years of snowflakes falling and compressing and re - crystallizing into crank , during which air bubbles ensnare in the methamphetamine will be pushed out , ” explainsArctic Adventures , which organize glacier hikes and meth cave tour in Vatnajökull National Park .
“ When a glob of ice is too dense to have any air in it , light travels deeper . The deeper the unaccented travel , the more red - coloured spectrums it loses along the path , make the ice seem aristocratical to our eyes . That ’s why the glacier ice in Iceland has that magical , otherworldly spectre of blue . ”
The blue angel can also be intensified on the caves ’ ceiling as light shines through , making it look as if the methamphetamine is glowing . The house of cards - devoid wild blue yonder sometimes meets with grey , white , and black volcanic ash down payment , creating complex and swirling color combinations that jazz along the tunnels ’ edges late into the glacier .
Whichever nickname you opt ( allow ’s present it , it ’s Anaconda ) , the wreathe burrow is an example of aglacier cave . They take issue from straight ice cave ( rock’n’roll cave containing a lot of ice ) because they ’re formed when glacier ice thawing make waterways that cut up out smooth tunnel .
This is why glacier cave like the wind Anaconda have such unique quiet edges , and with the counsel of local exploration companies , you could take a stroll right into the stomach of the brute . Beautiful as they are , being made of ice stand for there ’s a window in which you could explore Iceland ’s glacier caves safely .
Traditionally , the season start in November and cease in March as this is when the conditions is cold enough to ensure the caves are stable . do summertime , the hot conditions can make the caves dangerous as melting summarize , but some continue icy twelvemonth - round .
The ephemeral nature of Iceland ’s glacier cave means they are constantly changing in appearance and body structure , making each sojourn unique . It also furnish a morsel of fun for guides who at the end of the summertime time of year get to lead back into the glacier in search of newly - formed caves and tunnels .
