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Postojna cave in Slovenia

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If you ever visit Slovenia, be sure to visit the cave in Postojna! It's a major tourist magnet, but definitely worth the visit. The cave is absolutely huge and filled with amazing formations of stalagtites, stalagmites and pillars.

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Postojna in Slovenia

The Postojna Cave is a 21 kilometre long cave system in Postojna, Slovenia. The cave system has emerged as a karstification and is the second longest cave in Slovenia. Today, the cave is a major tourist attraction, but only part of the cave is dry and open to visitors. Other parts are filled with water and inaccessible.

The cave in Postojna has been known for a long time. The oldest inscriptions are from the 16th century, and in the 19th century Russian convicts built a stone bridge in the centre of the cave. During World War II, the Nazis used the cave to store weapons.

In 1819 the cave opened to the public for the first time, and in 1972 the first small railway was opened in the cave. Initially, the locomotive was powered by gas, but over time it was switched to electricity. In 1968, the roads that are still used by visitors to Postojna Cave were built.

Grotta Postojna
The cave is filled with stalagtites, stalagmites and pillars.

Visiting the cave in Postojna

The Postojna Cave is the longest cave in the world open to the public, with 5.3 kilometres to visit. A visit to the cave takes about one and a half hours. The visit starts with a train ride down the cave that felt like a roller coaster. It went fast and we (tall Scandinavians) sometimes had to duck. But it was fun!

Once inside the cave, we got to see large areas filled with cool formations. We can definitely recommend a visit to this cave! Just remember to take a jacket or thick sweater, because the temperature in the cave is always just below ten degrees.

Tåg Postojnagrottan
Time to go down the cave!

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