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

“Enjoyed this trip very much- caves were very impressive and castle imposing but grim! The guide worked very hard keeping us entertained.”

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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

“Tea, was a great tour guide. We were very lucky to be the only two on the tour & because it was in winter very few lines. She was exceptionally knowledgable, mindful of my hip issue & bent over backwards to accommodate our every wish.…”

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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

“Amazing trip. Very much worth it for the money you pay, you don’t have to worried about anything. Our tour guide was amazing, always willing to help and explain Slovenian history. Very happy with this tour.”

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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

“Really enjoyable day with Branko! Definitely worth the money, was accommodated very well and everyone in the small group (8 total) got to do each activity they wanted. We researched lots of tours but this was the only one offering the caves, both castles and…”

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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

“Emil was very informative and made the experience easy and stress free! Easy pick up and stayed with us to get tickets for entry. Both the castle and the caves are well worth the money, wonderful day out and very muvh recommend! Thanks Emil! 😁”

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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

“It’s a must take trip if you are in Slovenia. Our guide Nate was really good and at the best of his knowledge. Be it the history of Piran, Caves, Castle or Ljubljana he explained us everything perfectly well and also helped us in taking…”

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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 have to say I really enjoyed our day trip. Our guide Vasco was a very charismatic guy with lots of knowledge about the history of Slovenia and made the tour very fun and interactive. He answered any questions we has without hesitation and thought…”

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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

“Borut our guide was exceptional . He gave us insights and info on our way and helpful tips which made our day trip worthwhile . Super friendly and easy going .”

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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

“Just a great day out, each experience is fantastic and a great guide (Nate)who gives you a full history and helps get you into each part of the trip”

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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

“Emil picked us up from our hotel promptly and was a great guide throughout the entire trip. We drove to Lake Bled, this was absolutely beautiful. The castle was very peaceful and full of information.A traditional boat trip (€20pp) is a must to see the…”

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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

“Tashi our guide was amazing! We had the best day exploring Slovenia our guide was extremely knowledgeable about Slovenian culture and history. The itinerary ran extremely smoothly which allowed us to have decent time to stop at each place so the tour did not feel…”

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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.