Ljubljana

15 Best Postojna Cave & Predjama Castle Tours

The karst double-bill from Ljubljana: Postojna’s underground train through cathedral chambers and Predjama, the castle built into a cliff mouth. The cave’s olm salamanders live a century in the dark; the castle’s siege story is better than fiction.

1.Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour

Discover Slovenia’s natural and historic treasures on this full-day tour from Ljubljana to Postojna Cave and Predjama Castle, with expert guides and seamless logistics.

Most Popular★ 4.9

“Excellent trip, fascinating unique castle, stunning cave system. It’s a bit of a journey (1hour driving) but worth it. Our guide ensured we got the most out of the time by careful planning!”

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2.Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle

Discover Slovenia's top sights in one day with this small-group tour visiting Lake Bled, Postojna Cave, and Predjama Castle—stunning views, expert guides, and authentic experiences.

★ 5.0

“Excellent full day excursion to see 3 main attraction outside Ljubljana Our guide Thomas full of energy and great knowledges”

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3.From Ljubljana: Lake Bled & Postojna Cave with Entry Tickets

Experience Slovenia’s top sights in one day with a guided trip from Ljubljana to Lake Bled and Postojna Cave. Includes tickets, highlights, and authentic views.

★ 4.8

“klemen, was a excellent guide. Has good knowledge of the areas we visit. was also a excellent driver, gave us great tips for the areas we visit and fun facts about Slovenia. was a well 11:30 trip spent with Klemen and the rest of tourists.…”

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5.Ljubljana: Postojna Cave and Predjama Castle Tour

Explore Slovenia’s underground marvels with this guided tour from Ljubljana to Postojna Cave and Predjama Castle, featuring train rides, stunning formations, and a medieval fortress.

★ 4.9

“Our guide Emil was knowledgeable and friendly. He shared a lot of Slovenian history, geography, life and information about the caves, which were all new things to me as I basically knew nothing about this beautiful country. The tour was great from time arrangements to…”

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6.From Ljubljana: Postojna Cave, Predjama Castle, & Piran Tour

Discover Slovenia’s highlights on a full-day tour from Ljubljana, visiting Postojna Cave, Predjama Castle, and Piran—perfect for culture, nature, and coastal lovers.

★ 5.0

“What an amazing tour! I couldn't have asked for a better tour guide and group to experience Postojna Cave, Predjama Castle and Piran. Nate is excellent at what he does - knowledgeable, professional, patient and very accomodating! I would highly recommend this tour company. Thank…”

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7.From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled

Discover Slovenia's highlights on a full-day tour from Ljubljana, including Postojna Cave, Predjama Castle, and Lake Bled, with expert guides and stunning scenery.

★ 4.7

“I loved the tour. The van was comfortable and the guide always gave us complete and precise information about the activities and the sites we visited.”

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8.Ljubljana: Postojna cave & Predjama castle small group tour

Discover Slovenia’s highlights with this small-group tour from Ljubljana, visiting Predjama Castle and Postojna Cave for an unforgettable day.

★ 5.0

“The cave was amazing, i enjoyed the train ride inside the cave, one of a kind experience.Our tour guide was very knowledgeable about Slovenia.The castle was okay for me, nothing special”

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9.Bled Lake with Postojna Cave & Castle – small group – day trip from Ljubljana

Explore Slovenia’s top sights in one day with this small-group tour from Ljubljana, visiting Lake Bled, Postojna Cave, and Predjama Castle for authentic, memorable experiences.

★ 4.5

“Wonderful trip with excellent guide Kaya. The castles were amazing and the lake was exceptionally beautiful. The caves were out of this world. I highly reccomend the tour it was wonderful and was the highlight of my whole trip.”

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10.Postojna Cave and Castle Small-Group Day trip from Ljubljana

Discover Slovenia’s top attractions on this small-group guided tour from Ljubljana, exploring Postojna Cave and Predjama Castle for a memorable day.

★ 4.5

“Very enjoyable trip. We were picked up on time by our lovely guide. There were only 4 on our trip and we were made very welcome. She gave us lots of information. The castle visit was good but be aware that there are lots of…”

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12.Slovenian highlights – Lake Bled, Postojna Cave & Predjama Castle from Ljubljana

Discover Slovenia’s top highlights in one day with this small-group tour visiting Lake Bled, Postojna Cave, and Predjama Castle, led by knowledgeable guides.

★ 5.0

“The tour guide David was great. I was professional, knowledgeable and experienced. He knew what he was talking about and was willing to help us out with any questions.”

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15.Postojna cave and Predjama castle Tour from Ljubljana

Discover Slovenia’s natural and medieval marvels on this small-group tour from Ljubljana, visiting Postojna Cave and Predjama Castle with expert guides.

★ 5.0

“Great day at the castle and the caves. Well organised, informative and fun. David was an excellent tour guide, and looked after us. 10/10 would highly recommend to anyone visiting Slovenia.”

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A dragon-bridged capital with caves and Bled within reach.