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.

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

“Fantastic trip, Vladimir, out driver and guide was right on time in collecting us from our hotel. Lots of entertaining information on route to the caves, which were spectacular and well worth a visit. Then on to Predjama Castle, which was beautiful and we really…”

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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

“This was an amazing day, and the most wonderful way to see the best of Slovenia in one day at a great pace. The three parts of this tour were all superb, picturesque, experiences by themselves. To have all three in one day with a…”

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4.From Ljubljana: Lake Bled & Postojna Cave With Entry Tickets

Kicking off from Ljubljana, embark on a journey to Lake Bled and Postojna Cave that promises unparalleled experiences - but what lies hidden within these Slovenian treasures?

★ 4.8

“The trip was awesome! Our tour guide Thomas was the best. His knowledge gives you lots of insight into the beautiful, clean, efficient and scenic Lake Bled, Postojna Caves and Predjama Castle and Slovenia and Ljubljana as a whole. The entire day trip was a…”

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

Dive into Slovenia's captivating natural wonders and historic gems on this intimate day tour from Ljubljana, where adventure and culture intertwine in a spellbinding odyssey.

★ 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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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

“There was nothing about this tour that I didn't like. The guide (David) was great, the transport was modern, clean and comfortable, and the itinerary was delivered on schedule.”

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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

“Started out in dodgy weather which got worse, until we got to Piran when the sun came out at just the right moment. Great guide who offered us a bit of the traditional blueberry and honey tipple at the end. Lovely company on the trip…”

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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

“This was a great tour. Our guide Jure was fantastic. Very knowledgeable about Slovenia and the sites we visited. Had a great day.”

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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

“This is for the productive and quick on your feet traveler who wants to do both Bled and Postojna caves and castles. Our tour guide Tai as her nickname goes she was able to cater to a predominantly Spanish speak group of 7 and I…”

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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