The Postojna Cave is one of the most important tourist attractions in the entire Slovenia, and given its proximity to the Italian border (some 30 kilometers from Trieste and approximately 50 kilometers from Gorizia), it does make for an excellent daytrip destination for people spending their vacation in Grado.
The Postojna Cave is the longest cave system in Slovenia, counting more than 20 kilometers in length. The history of its discovery starts in the 18th century, but it was not until the 1819 that the cave was opened to the public. The tourist potential of the cave started to be capitalized on ever since the cave was opened, which is why one can easily notice the fine visiting infrastructure which crosses the cave (electric lighting, marked pathways, a train especially designed for visits).
The naturalistic value of the cave resides in the fact it shelters an endemic species of olm (proteus), the largest troglodyte amphibian in the world. The curious thing about this amphibian is it lives exclusively in water, and sundry local legends have been devised in relation to it.
On top of that, the Postojna Cave is a significant example of Karst landform. The spectacular stalactites and stalagmites of the cave stimulate both the imagination and the aesthetic sense.
However, the tourist platform of the cave does not confine to the visiting infrastructure inside the cave as such. A 20 hectares large park was set out in front of the cave, and it can be used to sundry ends (parking, shopping, sightseeing, events, and even accommodation). A restaurant specialized in traditional Slovenian food is located just in front of the entrance.
On the other hand, in order to be able to visit the cave, tourists must observe the strict regulations enforced by the cave managing authorities, such as not to take photos, not to eat or bring food inside, not to smoke.
As said, trips to the Postojna Cave are highly advisable for people vacationing in Grado. The best way to get to the cave chain is to travel to Monfalcone and then cross the border to Slovenia and head for Postojna.
For a thorough presentation of what the Postojna Cave stands for from a tourist point of view, as well as for reservations and details on how to get to the cave, use the following information:
Postojna, Slovenia