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With over 1 million visitors each year, the amazing Postojna Caves are Slovenia’s most popular tourist attraction. Read our detailed tips about the best time to visit and how to avoid the crowds:
Avoiding Tourist Crowds
The tours are equally crowded throughout the year. The reason for this is the fact, that fewer tours being offered in offseason. Check the Postojna Caves Timetable. This usually results in the same long waiting lines at the ticket counter and equally large groups in the cave (up to 100 visitors per tour guide) regardless of the season. However, the months of late June until August are by far the most crowded ones. To enjoy a more pleasant and hassle free visit at any time, follow our tips:
It’s much better to buy your tickets online in advance: Online Tickets. Then you can skip the long waiting line at the ticket counter in the cave park. You still have to convert your ticket into a scannable barcode. However, there is a separate counter (Group/Online) for that with almost no people in the line. It saves you between 30 - 50 minutes of waiting in the standard ticket line. This also applies if you bought the ticket in advance at other places.
Book an Early Spot:
Book the first spot available at 9:00 AM (10:00 AM in the off-season). It’s much less busy at the entrance and in general. Later all the large tour buses arrive throughout the day. Additionally, the chances are at least slightly higher that you can join a smaller group in the cave with less than 100 visitors. (The English language groups are always the largest. Join another language group if you speak one of the other languages)
Arrive 30 Minutes Earlier:
If you bought tickets for the 9:00 AM slot, be at the Cave Park around 8:30. It takes up to 10 minutes to walk from the car park to the gates. You’ll also have time to use the restrooms and be the first in line for the electric train.You have to be there 10 minutes before your tour starts anyway
Another great option to getting away from the crowds are the Adventure Tours. These are always done in small groups (3-10 or 11-20). The price for the easiest tour is only 40 EUR, compared to 26 EUR for the regular visitor tour. Read more details about these tours in the description section below.
Regardless of the outside climate, the cave has a constant temperature of 8-10°C (46-50°F) throughout the year. However, you are probably planning more activities besides the cave. If you prefer pleasant temperatures visit between May and September (you might want to avoid the extreme tourist months of July and August for your Slovenia visit). Weather details (you can switch between °C and °F at the top): Postojna Weather Averages
The Postojna Cave System is a jaw-dropping experience. It’s a series of caverns, halls and passages some 24 km long and two million years old. With the regular tour you’ll see about 5 km of the cave (3.2 km covered by the electric train). The cave is truly spectacular, cleverly-lit with incredible formations and crystalline beauty. Official website: Postojna Cave Park
How the Visit Works (1,5 hours)
You get your ticket > Before entering the cave, visitors are divided into language groups before entering the cave (up to 100 per group, one guide per group) > You take the electric train with many others (10 minutes) speeding past gorgeous scenery > You get off and find your group > You follow your guide for the complete tour > You get back on the train.
Besides the regular ‘mass tours’, adventure tours are being offered. Read the details here: Cave System for Adventure Lovers. They offer three tours with different difficulty levels (the caving equipment is always included in the price). You just need long sleeves, long trousers, warm socks, rubber gloves and some spare clothes. You’ll visit parts of the caves that are not open for regular tours, experience more demanding passages, cross over water obstacles and become a real cave explorer:
- The Postojna Cave and the Small Caves: Difficulty: Easy | Time: 2-3 hours | Price: 40 EUR (3-10 people), 32 EUR (11-20 people)
- The Coloured Passage and the Lower Tartar: Difficulty: Medium | Time: 3-4 hours | Price: 100 EUR (3-10 people only)
- Through the Postojna Cave into the Black Cave and the Pivka Cave: Difficulty: Easy | Time: 2-3 hours | Price: 50 EUR (3-10 people), 40 EUR (11-30 people)
General Tips and Facts
- The cave has a constant temperature of 8-10°C (46-50°F) throughout the year
- Bring a warm jacket. Coats are also available for hire
- The tour lasts one and half hours.
- You may take make photos but no flash or tripods are allowed
- Shoes with good traction are advisable as it may be slippery
- The paths consists of some medium level ascents which could be difficult for some senior citizens
Where to Stay
- Postojna Cave Rooms & Apartments Proteus (5-10 walk to the cave): Excellent location near the cave. Very clean and comfortable rooms, great restaurant with good food and excellent breakfast. Ticket discount for the caves.
- Postojna Hotels: More Alternatives. Use the comfortable search: Enter your preferred dates and then check the list of hotels. Make sure to change the search criteria to your liking at the top bar. We usually select 'Review Score & Price'.