The place consist of a 20-kilometre-long underworld system of caves carved into the rock by the river.
The cave is full of limestone stalagmites and stalactites, which have taken millions of years, to grow, drip by drip.
In the Cave you will see the “human fish”, a creature adapted to the subterranean darkness. The human fish is up to 30 centimeters long and has no eyes, because there is nothing to see.
The cave has a constant temperature of 10 degrees Celsius, so remember some warm clothes. Visitors go on a tour in a special train. The train is very long, and go very fast into the cave, and passes the limestone stalagmites and stalactites.
The visit takes an hour and a half, and takes you through 5 km. of the cave.
Written Jun 7, 2005
Address: POSTOJNSKA JAMA, Jamska cesta 30, 6230 Postojna
Phone: +386 / 5 / 700 01 00
Website: http://www.postojnska-jama.si
This castle, mentioned by the first time in 1274, is located about 12 km notheastern from Postojna. It is one of the most visited castles in Slovenia, and it was built-up into the ovehanging rock.
Under the castle is a Cave, used to be horse studs.
Updated Mar 26, 2005
Address: Postojna
Postojna is only famous for one thing, and that is the huge 25km cave complex under the ground. It is a great tourist draw from all over, especially with Italians, Austrians and Germans, and for good reason: it is fantastic. The caves are fascinating from both a geological and historic perspective, and are simply astonishing to experience. The grand stalagmites and stalactites have taken tens of thousands of years to form. At about 30-40,000 years per meter, and many standing several meters tall, the age of the caves is staggering. Historically too, they have been important, and deep within the cave you can walk across a bridge built by Russian prisoners during the first world war, and as you exit on the train that drives you 5km into the heart of the complex, you pass many blackened caverns, caused by the Partizans of WW2 blowing up the Nazi fuel depot built inside the caves.
The ticket costs about 3000 SIT, and includes a 5km train journey and a guided tour of about a couple of kilometers of the best sections, in English, Italian, German or, of course, Slovenian. The cost is definitely well worth it, which cannot be said for the overpriced fast food stalls that have proliferated outside the entrance. It's also worth noting that no matter how hot it is outside, the caves are distinctly chilly, with a constant year round temperature of about 8 degrees centigrade. You'll need a pullover in order to be comfortable, although you won't freeze without one.
Updated Jun 23, 2004
Here you see so-called CURTAINS but if you would say that these formations resemble the wings of bats, I can agree with you.
Here they hang like the sheets a woman has just hung on the line to dry!
The lights in this cave are directed in the best position to make it clear to us how thing these drapes are......
Ever been to BRUGGE in BELGIUM?? Well, this looks like the famous, fragile LACE WORK you can see and buy in BRUGGE!
Do enjoy!
Updated Apr 6, 2004
Address: Postojna SLOVENIA
Website: www.slovenia.com
This is a most wonderful formation.....
In fact, walking here you will feel stunned and amazed time and again....
NATURE is a WUNDERKIND, prodigy.......
Here it sculpted such a wondrous pillar that I wondered, how and why......because each time I have to think: wind can't work here, nor can extreme heat or cold, so NATURE'S own material or tool / piece of equipment is and always has been: WATER.
Water that goes down, slow, very slow of quickly, little water or masses of water or just water damp......
How great a mystery these caves and all other caves, wherever they are, are!!
One of the reasons that I will always visit caves, wherever I come........
Updated Apr 6, 2004
Address: Postojna SLOVENIA
Website: www.slovenia.com
Here then you see a funny, strange, a bit weird animal: a albino sort of salamander.
The animal is so used to the eternal darkness that through the ages it changed......it doesn't have eyes anymore, there is no need for these animals to have them....
And so colourless: well, it never will see daylight, so it doesn't need any pigment....
Here deep down is a large glass terrarium with some water in it and lights are burning there just to show the visitors these animals.....so I had a good look at them but I can't say I like them.....so foetus-like!
Every few days they have to have other animals because the light of the lamps makes them develop pigment and thus colour.............and I don;t think the animals do feel quite happy in that aquarium.....
Updated Apr 6, 2004
Address: Postojna SLOVENIA
Website: www.slovenia.com
This is a celing as you never saw before in your life...
Cathedrals can have most intricate and wonderful ceilings and vaults, but don't underestimate NATURE, that greatest of great architects!
Here it is mimicking something that looks like a man's face, that hasn't been shaven for quite some days.......the only difference is that these stalagtites are hollow and dripping and dripping away, but growing and growing like a beard..........
Funny walking there and watching this happen: things are changing every split second and we can witness that wonder-deep-down-under..........
Updated Apr 6, 2004
Address: Postojna SOVENIA
Website: www.slovenia.com
Wouldn't you sweat that you were watching a huge waterfall??
But when walking there you won't hear the sound of falling water, no sparkling droplets here because: it is no water.......It is the white calcium nitr. that has been formed by water that slowly but very steadily went down the walls.....and think of the millions of years it must have taken water here to form this silent waterfall!
How patient an artists NATURE itself is!
Updated Apr 6, 2004
Address: Postojna SLOVENIA
Website: www.slovenia.com
The castle perches on a vertical cliff 123m high; behind it is an extensive system of underground passageways with various hidden exits and a supply of running water. An almost impregnable fortress.
The tickets will stop being sold about half an hour before the castle closes its doors. There is a big possibility that the (un)friendly lady at the reception won't even look at you if you arrive too late and you have to read travel guides to get some information because she will be so rude she won't bother explaining why she slams the door on your face and turns the back on you. That's exactly what happened to me.
Everybody has problems in life but... I've nothing to do with it.
Updated Mar 18, 2004
Address: Predjama - 6230 Postojna
Phone: +386 5 751 52 60
Website: http://www.burger.si/Predjama/Predjama.html
A railway takes visitors through 2km of preliminary systems before the guided tour starts in the 20km-long underworld system. It's little use trying to describe the vast and fantastic jungles of rock formations; the point is to see them for yourself - breathtaking. Postojna's caves are about four million years old and provide a chilly home for Proteus anguineus, a weird creature that looks like a cross between a bloated sperm and a prawn. Actually it's a sort of salamander, one of whose odd capabilities is to give birth to live young in temperatures above -10°C and to lay eggs if it's colder. They live their seventy-year lives down here in total darkness and hence are blind - and no doubt very confused at being put on display to inquisitive tourists.
Open daily: May - September 9h - 18h tours hourly; October - April 10h - 16h tours every 2 hours; last tour leaves 1hr before closing.
Price: 2990SIT (Students: 1990SIT)
Written Mar 18, 2004
Address: Jamska cesta 30 - 6230 Postojna
Phone: +386 5 700 01 00
Website: http://www.postojnska-jama.si
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Reviews and photos of Postojna attractions posted by real travelers and locals. The best tips for Postojna sightseeing.

A railway takes visitors through 2km of preliminary systems before the guided tour starts in the 20km-long underworld system. It's little use trying to describe...
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