Ljubljana

15 Best Postojna Cave & Predjama Castle Tours

These tours bundle Slovenia’s two most theatrical underground sights, and I’ve picked the ones that do both justice. An electric train carries you deep into Postojna Cave; nearby, Predjama Castle sits wedged into a cliff mouth, the largest cave castle in the world. Bring a layer, since the cave holds about 10 degrees Celsius year round.

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

Uncover the captivating wonders of Postojna Cave and Predjama Castle on this intriguing tour in Ljubljana - a journey that promises hidden gems and unforgettable experiences.

Most Popular★ 4.9

“The guide was very informative and guided us where we can go, punctual and very polite. Both sites were splendid, not to be missed!”

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2.Postojna Cave and Predjama Castle – Entrance Tickets Included

Discover Slovenia’s top natural and historical marvels with this guided tour of Postojna Cave and Predjama Castle, including skip-the-line tickets from Ljubljana.

★ 5.0

“Magical! I was expecting a dragon to appear! The caves are amazing. Our guide Mica was very nice and helpful and told us lots of history and stories. Very enjoyable.”

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

Curious about Slovenia's hidden gems? Join us on a journey through Lake Bled, Postojna Cave, and Predjama Castle for a day of enchantment and mystery.

★ 5.0

“Nina was fantastic. An option to Lake Bled should include some free time up on Bled Castle, even if we prefer not to do the Castle tour. This would accommodate those who would prefer not to see the castle, but would like to see the…”

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6.Ljubljana: Postojna Cave and Predjama Castle Tour

Explore Slovenia’s underground marvels with this guided tour from Ljubljana, visiting Postojna Cave and Predjama Castle—perfect for history buffs and adventure seekers alike.

★ 4.9

“Very quick and safe ride to two stunningly beautiful places. Very nice and knowledgeable guide/driver. I had a great time and would definitely recommend this tour.”

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

Discover Slovenia's highlights with this full-day tour from Ljubljana, visiting Postojna Cave, Predjama Castle, and charming Piran—perfect for culture and nature lovers.

★ 5.0

“David was highly knowledgeable and good command over English. He shared lot of details about Slovenian history and the places of visit. Postojna cave is unbelievable and not worth missing”

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

Trek through Slovenia's enchanting landscapes to unravel the secrets of Postojna Cave, Predjama Castle, and Lake Bled, where surprises await at every turn.

★ 4.7

“Thomas was an amazing guide. Really fun, friendly and informative. He was time efficient and told us loads of recommendations. His knowledge of Slovenia and its past was incredible.”

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9.From Ljubljana: Postojna Cave & Predjama Castle Guided Trip

Adventure into the depths of Postojna Cave and unravel the enigmatic stories of Predjama Castle, where mysteries and treasures await - but what lies beyond?

★ 4.8

“Ines our guide was brilliant! She explained every detail and was very attentive. We talked a lot about the country and such a coincidence we are brazilian, and she had been in Brazil a few times and love the country”

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10.Ljubljana: Postojna Cave & Predjama Castle Small Group Tour

Trek through time and terrain on an enthralling small group tour to Postojna Cave and Predjama Castle in Ljubljana, where history and mystery converge.

★ 5.0

“Karina was an excellet guide! 45 min drive to the caves and then its a 10 min drive to the castle. She gave as a brief history lesson with interesting facts about Slovenia and the castle and the caves. Very enjoyable tour. Had plenty time…”

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11.From Ljubljana: Postojna Cave & Predjama Castle Half-Day

Bask in the enchanting beauty of Postojna Cave and Predjama Castle, where ancient secrets beckon you to unravel their mysteries...

★ 4.7

“The tour and our guide (Rok) were fantastic. Perfect length of time at both places - the cave & castle. Rok provided lots of useful information and answered all our questions. He was very personable and friendly. The caves were exciting & fascinating and the…”

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12.Bled Lake With Postojna Cave & Castle – Small Group – Day Trip From Ljubljana

Discover the captivating essence of Slovenia's natural beauty and historical charm on a day trip to Bled Lake with Postojna Cave & Castle - Small Group tour from Ljubljana, where surprises await at every turn.

★ 4.5

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

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13.From Ljubljana: Postojna Cave & Predjama Castle & Piran Tour

Mesmerizing natural wonders and architectural marvels await in this captivating tour that takes you from Ljubljana to the heart of Slovenia's captivating landscapes.

★ 5.0

“Our day trip went by smoothly and it was stress-free. Nate is punctual, professional, friendly and very knowledgeable. We really enjoyed his detailed historical narration he offered during the drive from one place to the other. We visited the castle early so we avoided crowds.…”

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14.Postojna Cave and Castle Small-Group Day Trip From Ljubljana

Wander through the enchanting Postojna Cave and Castle, where ancient mysteries and natural wonders converge, leaving you captivated and eager for more.

★ 4.5

“We are both seniors. The initial walk in the cave after departing the train is quite strenuous for seniors, up a very steep grade. We believe Viator should mention this in its online description. The provided guide only stopped 3 times during the 1-1/2 hour…”

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15.From Ljubljana: Postojna Cave and Predjama Castle Tour

Mesmerizing caves and captivating castles await on this tour that takes you beyond Ljubljana's charming streets into Slovenia's natural and historical wonders.

★ 4.9

“Our tour guide, David, was so kind, friendly and knowledgeable. He was great from start to finish. We learnt more about where we were going and where we had been and he guided us all the way. The castle and caves were astonishing. David also…”

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5.0Postojna Cave, Predjama Castle and Piran Tour From Ljubljana10 hours (approx.)$135.16 5.0Slovenian Highlights – Lake Bled, Postojna Cave & Predjama Castle From Ljubljana10 hours 30 minutes (approx.)$143.61 5.0Highlights of Slovenia – Postojna & Bled (Tickets included)11 hours (approx.)$197.91 4.9Ljubljana: Lake Bled & Postojna Cave Day Trip$182 5.0From Ljubljana: Lake Bled, Postojna Cave and Predjama Castle11 hours$126 4.9Ljubljana: Postojna Cave & Predjama Castle Half-Day Tour5 hours$68 4.5Postojna cave, Predjama castle and Lake bled from Ljubljana11 hours (approx.)$145.32 5.0Postojna Cave and Predjama Castle Tour From Ljubljana5 hours 30 minutes (approx.)$84.33 3.4Zagreb: Postojna Cave, Predjama Castle & Ljubljana in a Day1 day$176 4.5Skocjan Caves, Piran & Predjama Castle | Private Trip From Ljubljana10 hours 30 minutes (approx.)$891.04 4.5Postojna Cave With Train Ride and Predjama Castle Half Day Trip From Ljubljana5 to 6 hours (approx.)$152.60 3.5Private Postojna Cave & Predjama Castle Tour From Ljubljana$219.51 4.0From Ljubljana: Postojna Cave Day Trip$102 5.0Lake Bled & Postojna Cave in One Day | Private Trip From Ljubljana10 hours 30 minutes (approx.)$875.77 4.5Postojna cave & castle | Private half day trip from Ljubljana$578.41 4.5Postojna Caves and Predjama Castle. Private Trip.$654.62 5.0Full-Day Tour of Postojna Cave and Bled Lake From Ljubljana$200.00 3.5Postojna Cave Day Trip From Ljubljana$119.73 5.0Ljubljana & Postojna Cave From Bled$325.68 5.0From Koper Postojna Cave and Ljubljana Day Tour$154.45 5.0Postojna cave & Predjama castle by Sigismundi Luxury Adventures$396.30 4.7From Ljubljana: Lake Bled and Postojna Cave Day Trip8 hours$201 Postojna and Predjama From Ljubljana5 hours 30 minutes (approx.)$130.95 Private Transfer From Ljubljana City to Postojna40 minutes (approx.)$119.48