Day trip to Predjama Castle and Postojna CaveKollecting Koordinates - Postojna Cave and Predjama Castle

Have you ever seen the ‘human fish’ or explored a cave castle? We checked both off our list during our time in one of our favourite countries: Slovenia. Postojna Cave and Predjama Castle are two historic sites not to be missed!

About Postojna

Located on the Pivka River, Postojna is a town in southwestern Slovenia that was once a part of the Holy Roman Empire. Today, it is home to two world famous sites brimming with history: Postojna Cave and Predjama Castle. Their cave systems are where the first research on karst topography took place, which are characterized by eroded limestone structures and underground streams.

Read more: Stay in Hotel Jama at Postojna Cave Park

Getting there

By train: The Vienna-Venice line runs through Postojna, with connections to Zagreb, Rijeka, Salzburg, and Koper.

By car: You can reach Postojna in less than an hour from Ljubljana, Koper, or Trieste. Allow 2 hours for Venice and Zagreb.

By bus: Intercity buses from Ljubljana, Koper, Rijeka and Nova Gorica will take you to the bus station in front of Postojna Cave. Check the current bus schedule for exact connections and times.

Note: Visitors with combined tickets can use the free shuttle transfer between Postojna Cave and Predjama Castle from July to September. 

Postojna Cave and Predjama Castle

Postojna Cave

Coined ‘The Queen of All Caves’, Postojna Cave was first discovered in 1818. It receives 5-7,500 visitors per day, reaching more than 37 million visitors over the past 2 centuries. While visitors can only explore the first 5km, the entire cave system stretches more than 24km.

An electric train transports you along a railway that has been around since 1872 for the first 2km. Continue your visit on foot through paths, tunnels, and bridges that are decorated with stalactites and stalagmites. Postojna Cave is the only underground landscape in the world that can be explored using an electric train!

At the end of the journey you’ll find an aquarium containing the proteus anguinus, also known as the olm or ‘human fish’. This blind creature is the largest cave-dwelling vertebrate in Europe, growing up to 40cm long. Its heart beats twice a minute and it can live up to 100 years old. With a diet consisting of small snails and crabs, the olm can go 10 years without eating.

Note: Please listen to the guide and TURN OFF FLASH PHOTOGRAPHY!! Some people just don’t care- I wish there was a way to fine these scums.

Image courtesy of Postojnska Jama

Image courtesy of Postojnska Jama

Image courtesy of Postojnska Jama

Image courtesy of Postojnska Jama

Image courtesy of Postojnska Jama

Predjama Castle

Located 9km from Postojna Cave is the Predjama Castle. As the largest cave castle in the world according to the Guinness World Records, it has been perched up in the middle of a 123m cliff for more than 800 years. 

Half cave and half castle, Predjam Castle was home to Erazem Lueger, a Robin Hood-like knight in the 15th century. His castle was besieged but through a secret passage Erazem was still able to get fresh food and continue his daring deeds. Erazem’s fate was finally sealed when one of his servants betrayed him, revealing the castle’s only weak spot: Erazem’s washroom. A cannonball struck Erazem while he was on the toilet- what a shitty way to die, eh?

Live the life of Erazem as you walk through his bedroom, dining room, knight room, soldiers’ and servants’ quarters, dungeon, and torture chamber. A self-guided tour can easily be done with the informative audio guide that’s included in your ticket.

Tip: Allow 60-90 minutes to explore Predjama Castle.

Kollecting Koordinates - Postojna Cave and Predjama Castle

Image courtesy of Postojnska Jama

Image courtesy of Postojnska Jama

Useful tips & info

  • Prices vary depending on activities and attractions, check current prices and packages here.
  • You can visit both Postojna Cave and Predjama Castle in one day.
  • Make sure you’re the first group in Postojna Cave; it only gets busier as the day goes by.
  • Wear comfortable shoes and bring layers. It gets chilly inside the caves!
  • I can’t stress this enough- do NOT use flash photography as this damages the caves.
  • For more information and current promos, visit their official website, Facebook, Twitter, and Instagram pages.

Disclaimer: Many thanks to the Slovenia Tourist Board and Postojnska Jama for hosting us. All opinions and experiences are honest and our own- we wouldn’t recommend something if we didn’t love it ourselves!

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Kollecting Koordinates - Postojna Cave and Predjama Castle

Hotel Jama in Postojna Cave Park

Predjama Castle and Postojna Cave are two historic sites that cannot be missed in Slovenia. Rated one of the best hotels in Slovenia, Hotel Jama is the best option for travelers visiting this region. First opened in 1971, renovations were completed in spring 2016 with brand spanking new guestrooms and facilities.

Read more: Visiting the Predjama Castle and Postojna Cave

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Hotel Jama – one of the best hotels in Slovenia

Location & Space

Feel like VIPs as you walk on a red carpet to the hotel’s entrance. A spacious and inviting lobby sits behind the main doors with two large seating areas. Surrounded by nature, every window boasts stunning views of the forest or the park.

Hotel Jama is a mere 100 meters from Postojna Cave, and only 10 minutes away from another world-famous attraction: Predjama Castle. Day trips to Ljubljana and Bled are also totally doable; both are less than an hour’s drive. If you want to hop over the border to Italy, Trieste is only 30 minutes away.

Guestrooms

All 80 guestrooms are equipped with LCD TVs with cable and satellite channels, free Wi-Fi, air conditioning, a minibar and an in-room safe. We loved how sophisticated and modern the rooms have been redesigned.

Tip: The superior rooms have balconies facing the front of the hotel. These rooms have the best views!

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Kollecting Koordinates - best hotels in Slovenia 1

Read more: Itinerary – 24 hours in Ljubljana

Staff & Service

Hotel Jama takes the cake for the best service we received in Slovenia, hands down! The lovely front desk agents were all smiles and knew us by name.

Andrej, one of the waiters at the onsite restaurant, blew us away with his charm and humour. His presence made up for the mediocre dining experience we had the previous night in Ljubljana.

Dining

Enjoy a hearty buffet-style breakfast at Magical Garden, the onsite restaurant. Choose from a variety of fresh pastries, cured meats, cheeses, and hot foods. Who says you can’t have the famous Bled cream cake first thing in the morning?!

Kollecting Koordinates - best hotels in Slovenia

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For dinner, let the master chefs pamper your taste buds with the finest cuisine. We celebrated AS’s birthday with a perfectly cooked steak and flavourful squid ink ravioli. To top it all off, Andrej surprised us with cakes at the end of the meal.

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Other tips & Info

  • Rates start at 130€+ for double rooms, 140€+ for superior double rooms with a view, and 170€+ for superior family rooms.
  • All hotel guests get free access to the Postojna Cave Park, regardless of room type!
  • Parking is free for guests staying at the hotel.
  • Pets are welcome!
  • For more information and current promos, visit their official website, Facebook, Twitter, and Instagram pages.

Image courtesy of Postojnska Jama

Disclaimer: Many thanks to the Slovenia Tourist Board and Postojnska Jama for hosting us. All opinions and experiences are honest and our own- we wouldn’t recommend something if we didn’t love it ourselves!

Like it? Pin it!

Kollecting Koordinates - best hotels in Slovenia