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.

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 tour. Tina showed us the sights and gave us great info on them. This was a long day but well worth it. We saw, Postojan cave, Predjama castle ( the castle in the cave), Lake Bled and the church on the island and Bled…”

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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

“The trip itself is well worth the money as you get tickets included. Our tour guide was Klemen who was amazing, friendly, funny, informative and very knowledgeable. Would highly recommend :)”

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4.Ljubljana: Lake Bled, Postojna Cave, and Predjama Day Tour

Explore Slovenia's top sights in a single day with this guided tour featuring Lake Bled, Postojna Cave, and Predjama Castle—perfect for culture and nature lovers alike.

★ 4.8

“The guide was great and funny as well, told about Slovenia's history, places about to visit during the day. Ride was smooth and weather perfect.”

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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

“We had an amazing day visiting Piran, Predjama Castle, and Postojna Cave. Everything was very well organized — smooth transport, perfect timing, and no stress at all. Our tour guide Nate was fantastic — knowledgeable, engaging, and full of good humour, which made the whole…”

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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

“Our guide Luca from To do in Slovenia was amazing and funny . He added the energy and enthusiasm towards our trip. He explained each location well. The trip was indescribable- Lake Bled and the Postojna Castle and Cave is worth the value for your…”

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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

“This far exceeded our expectations. Although this wasn't a private tour, this van was comfortable and our guide was knowledgeable and personable. It seemed like a private tour and we made quick friends of the other people. The cave and particularly the train was much…”

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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

“Great way to hear about the history of the area. Our guide was very knowledgeable. The scenery spectacular”

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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

“Our second of two tours with Matej. We chose to split this tour and the Lake Bled tour into two days over the full day option and loved both tours. Matej was a great tour guide and not only provided us with Slovenian history and…”

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11.Postojna cave, Predjama castle and Piran tour from Ljubljana

Explore Slovenia’s highlights in one day with this guided tour visiting Postojna Cave, Predjama Castle, and Piran, including hotel pickup for convenience.

★ 5.0

“Great tour! Emil was a wonderful guide, so incredible knowledgeable about everything Slovenia. He was also a very safe driver. Would highly recommend!!”

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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

“Lovely tour. The tour guide is very friendly and knowledgeable. He took care of our needs. The tour guide!”

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13.Ljubljana: Lake Bled & Postojna Cave Day Trip

Discover Slovenia’s highlights on this full-day trip to Lake Bled, Postojna Cave, and Predjama Castle with expert guides, stunning scenery, and authentic experiences.

★ 4.9

“Anyone coming to Ljubljana needs to do this tour! It was amazing! Our guide was fantastic, punctual, informative and flexible. The caves are terrific and the tour through is spectacular- even has a train! Then onto predjama castle - again our guide took us through…”

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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

“Amazing trip. The castle and then the caves. Due to foggy weather conditions in Ljubljana i thought that it wouldn't be worth going. Out further the weather changed we were able to see the scenery, then onto the castle where we walked round. From there…”

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