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

“We had a fantastic tour to Postojna Cave and Predjama Castle! Tibor was a fantastic guide, very knowledgeable, funny and engaging. We were picked up promptly from the city centre and the van was very comfortable. The journey only took 45 minutes to the Caves…”

Check Availability →Read our full review →

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…”

Check Availability →Read our full review →

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

“Lovely! It’s a small-group tour in a minivan (8 people max). Everything’s always punctual. The itinerary is perfect as we have enough time to see & do the main attraction (cave, castle, heaps of photo opportunities, and lake bled incl the boat). Our guide, Nina,…”

Check Availability →Read our full review →

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

“The guide who is also the driver was very professional, on time and knowledgeable. He was with us until we got our tickets and could enter the sites. Both the castle and the caves are definitely worth visiting. Since it is a tour for 8…”

Check Availability →Read our full review →

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

“A very beautiful tour. Each attraction was given the necessary amount of time without us ever feeling rushed. The guide was communicative, friendly, and knowledgeable about the sights. A small and therefore flexible group. We’re glad we chose it.”

Check Availability →Read our full review →

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…”

Check Availability →Read our full review →

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

“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…”

Check Availability →Read our full review →

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

“We were joined to an half day tour, so we were 2 groups, our tour guide had to drop them back in town in order to continue with us for a full day, inconvenient! And because of that afternoon bad weather ruin our Bled experience.…”

Check Availability →Read our full review →

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

“The trip from Ljubljana city centre to Predjama Castle and Postojna Caves was very good. We started on time (8:30 am) from the city centre on a good van with air conditioning and an English speaking driver. There were only three people (me included) in…”

Check Availability →Read our full review →

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

“A lovely day and Nate was full of information. Be sure to bring water bottles! There are many steps (I logged 44 staircases) and you should be fairly fit to manage them and the climb in the caves. Piran was a neat little town and…”

Check Availability →Read our full review →

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

“Our guide Emile made this the most fabulous tour. He was so attentive to people's needs, kind, thoughtful and an absolute pleasure to be in his company. He went out of his way to ensure that an already perfect tour was made fantastic. While, my…”

Check Availability →Read our full review →

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…”

Check Availability →Read our full review →

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

“This tour was not completely what I expected. Our driver, David, was very knowledgeable and imparted some great information about Slovenia and the region we were headed to. But I didn't realize he was not our tour guide for the two places we visited. For…”

Check Availability →Read our full review →

More Postojna Cave & Predjama Castle Tours

Explore Ljubljana

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