Nestled in the heart of the Karst region just 50 km southwest of Ljubljana, Postojna Cave has captivated visitors for over two centuries. As the largest show cave in Europe, it combines a unique electric cave train ride with a 1.5 km guided walking tour through vast halls, winding passages and breathtaking stalactite-and-stalagmite formations. With over 36 million visitors since its first public opening in 1819, Postojna Cave is not just Slovenia’s most famous natural attraction—it’s a bucket-list destination for travelers worldwide.
Every year, hundreds of thousands of tourists and local families make the journey to explore underground chambers such as the Concert Hall, White Cave and Brilliant Passage. The cave’s easy accessibility (via the underground train) and consistent 10 °C temperature allow guests of all ages and fitness levels to experience an unforgettable adventure, rain or shine. Along the way, expert guides share the cave’s rich history, geology and the secrets of its rare “human fish” salamander, making each tour both educational and awe-inspiring.
Discover Slovenia’s hidden legend: the mysterious human fish
If you’re captivated by the mythical creatures of fantasy worlds like those in Game of Thrones, then Slovenia’s own legendary creature, the olm—also known as the “human fish”—is sure to pique your interest. While it may not soar through the skies or breathe fire, this mysterious amphibian possesses a different kind of magic. Hidden away in the dark, subterranean waters of Slovenia’s extensive cave systems, the olm has fascinated locals and scientists alike for centuries. In this article, we’ll explore the incredible features of the human fish, reveal the secrets of its underground world, and guide you to the best […]
Whether you’re a geology enthusiast, a nature lover or simply seeking a unique day trip, Postojna Cave delivers. After emerging into daylight, you can continue your visit with family-friendly attractions in Postojna Cave Park: marvel at the medieval Predjama Castle perched dramatically in a cliff, meet the world’s largest captive population of olm salamanders in the Vivarium, or learn about karst landscapes at the Expo Karst museum. Every element—from cave safety to multilingual audio guides—ensures that your experience is seamless, comfortable and deeply memorable.
Best one-day trips in Slovenia
Slovenia is a rather small country, which is not necessarily bad. The size of Slovenia will be a huge advantage for you once you visit the country, as it will provide you with the perfect opportunity to explore more Slovenian treasures. And the good news is, you can discover the many treasures on a day trip in Slovenia! Explore the top day trips in Slovenia with us! Rent a car or hop on a bus and enjoy a top day trip in Slovenia to one of our most famous sights. Whether you are planning a day trip to Slovenia or […]
Ticket Types & Prices
On the official Postojna Cave website you’ll find a single admission option for the 90-minute cave tour, which includes the electric cave train and a walk along the marked path. Available ticket categories (prices in EUR):
Adults: €32.90
Youth & Students (16–25 years): €25.90
Children (6–15 years): €19.50
Children up to 5 years: €1.00
Where to buy? Tickets can be purchased online, at the ticket office at the cave entrance, or through travel agencies. We strongly recommend buying in advance—especially in the summer months, when time slots sell out quickly.
Postojna cave tickets
Combined Park Tickets To make the most of your visit, choose one of the package deals that bundle multiple attractions in Postojna Cave Park:
Two Adventures (€46.50, regular €53.90): Postojna Cave + Predjama Castle
100 % Cave Experience (€42.90, regular €57.90): Postojna Cave + Vivarium (the “human fish”) + Expo Cave Karst + “Butterflies of the World” exhibition
These packages let you save on individual admissions and explore more in a single day.
Postojna Cave is open 365 days a year, rain or shine. Guided tours depart nearly every hour from 9:00 AM to 6:00 PM:
Tour times in postojna cave: 09:00, 10:00, 10:30, 11:00, 12:00, 13:00, 14:00, 15:00, 15:30, 16:00, 17:00, 18:00.
The cave train leaves 15 minutes before each scheduled tour—plan to arrive 30 minutes early. If you’d like to visit Predjama Castle, the Vivarium or the Expo as well, check the “Tour Timetables” page for their specific schedules.
TOP 10 must see Slovenia attractions
Where to go in Slovenia, THE best of Slovenia, what to see in Slovenia? We have selected the top 10 must-see Slovenian attractions. Slovenia is home to numerous UNESCO World Heritage Sites and European Destinations of Excellence (EDEN). Its great cities of art, like Ljubljana, Maribor, Koper, and Piran are famous and have been attracting visitors for centuries. Besides its art treasures, Slovenia also features beautiful coasts, alpine lakes and mountains. No wonder it is often named as one of the greenest and smallest countries with a big heart. With so many amazing sights, putting together a compilation of top tourist attractions […]
Guides & Audio Guides
Each tour is led by an expert guide fluent in Slovenian, English, German or Italian. For a self-paced experience, you can also rent a multilingual audio guide. Audio guides are available at ticket purchase and make a great option for groups, photographers or visitors who prefer to explore at their own rhythm.
Postojna cave prices
Visitor Recommendations
Footwear & Clothing: The cave’s temperature remains a constant 10 °C year-round. Bring a warm jacket or rent one at the entrance.
Stay on the Path: Cave floors and stairways can be slippery—always follow the marked route.
Group Bookings: Schools and large groups should reserve at least 14 days in advance to secure their preferred time slot.
Getting There
Postojna Cave is located 46 km from Ljubljana and is easily reachable by car, train or bus:
Car: Ample parking at the entrance (fees apply for extended stays).
Train: Postojna station is under 2 km from the cave—walk or take a local shuttle.
Bus: Regular services connect Ljubljana, Koper and other major Slovenian cities. Timetable here.
Slovenia: TOP things to do
Looking for the top things to do in Slovenia? This enchanting Central European gem packs a world of adventure into just 20,273 km², from sun-drenched Mediterranean shores and dramatic Alpine peaks to mysterious Karst caves and rolling Pannonian plains. With over 60 % forest cover, 26,000 km of rivers and streams, 300+ glacial and high-alpine lakes, and more than 10,000 underground caverns, Slovenia travel promises unforgettable experiences for nature lovers, culture seekers, and outdoor adventurers alike. Dive into our definitive list of things to do in Slovenia—your ultimate Slovenia travel guide for 2025! Among its highlights are 15 certified natural […]
Why is Postojna Cave famous? Postojna Cave is renowned for its vast underground chambers, spectacular dripstone formations and its historic electric cave train—the only one of its kind in a natural cave. Discovered in the early 19th century, it was among the first show caves in the world and has hosted royalty, scientists and adventurers ever since.
How long is the walk in Postojna Cave? After a 2-km round-trip on the cave train, you disembark for a 1.5 km walking tour along well-lit paths and footbridges. The entire guided tour lasts about 90 minutes, combining both train and walking portions.
Is Postojna Cave worth it? Absolutely. With its blend of engineering (the cave train), geology (remarkable speleothems) and biology (endemic olm salamander), Postojna Cave offers an experience you can’t replicate elsewhere. It’s consistently rated one of Europe’s top natural attractions and is well worth the visit.
Is it cold inside Postojna Cave? Yes—the cave maintains a stable temperature of approximately 10 °C (50 °F) year-round. Visitors are advised to bring a light jacket or sweater to stay comfortable during the 90-minute tour.
Postojna cave guide and tours
The Best Gifts from Slovenia
Slovenia, a country of rich cultural heritage and breathtaking landscapes, offers an array of unique gifts that perfectly blend tradition with modern creativity. In 2025, thoughtful and sustainable gifting remains more popular than ever, making Slovenian artisanal products an excellent choice for souvenirs or special presents. From locally crafted delicacies to eco-friendly innovations and exquisite handmade designs, each gift embodies the spirit of Slovenia’s craftsmanship and heritage. Whether you’re looking for something timeless or trendy, here are the top gifts to bring home from Slovenia this year. Equa Water Bottles Equa is a Slovenian brand renowned for its stylish and […]
The Best Trending “Hidden Gem” destinations in Slovenia
Slovenia is often praised for its breathtaking landscapes, rich history, and warm hospitality. While places like Ljubljana and Lake Bled attract global attention, the country is brimming with lesser-known but equally enchanting destinations. Here’s a list of trending hidden gems you won’t want to miss: 1. Kamnik – A Medieval Treasure Located just 23 km northeast of Ljubljana, Kamnik is a charming medieval town nestled at the foot of the Alps. With its well-preserved old town, picturesque streets, and stunning mountain views, Kamnik is a perfect getaway for history lovers and nature enthusiasts alike. 2. Idrija – UNESCO Heritage and […]
We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it.Ok
