Slovenia · CAVE TOURS

The 15 Best Cave Tours in Slovenia

31 tours  ·  from $59 a head

Ten degrees underground, every day of the year, which makes caves the reliable half of a Slovenian plan. These 15 compare Postojna’s railway, the Škocjan canyon walk and the Vintgar boardwalk on price, walking distance and how cold you will get.

Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour - Predjama Castle, a fortress under the rock
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Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour

1.Postojna Cave & Predjama Castle Tickets and Tour

★★★★★★★★★★4.9 · 2,146 reviews · 6 hours · from $115Our pick

Travel from Ljubljana to Predjama Castle and Postojna Cave in a six-hour guided tour. An English-speaking driver-guide such as Tibor, David, Luca, or Neza handles the route and tickets. You’ll explore a cliff-built medieval castle, ride an underground train, and walk through Slovenia’s famous cave system.

“The pick up was on time. Our guide was Luca, he was very knowledgeable & got us to chat about ourselves so broke the ice. We were only a group of 5 so kept together during the cave and castle time. Caves were totally amazing, hadn't really read up on them so was very surprised at the whole time down there, so much to see and learn about. The drive on to the castle was so scenic...it's a very beautiful country. I felt very relaxed in our wandering around the castle. This was such a great trip to see both places in a relaxed way and I'm so glad I…”

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Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle - Postojna Cave: a train into Slovenia’s underworld
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Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle

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

★★★★★★★★★★5.0 · 879 reviews · 10 hours (approx.) · from $151Top rated

Travel from Ljubljana in an air-conditioned minivan with an English-speaking guide and up to seven others. Ride the underground train at Postojna Cave, visit cliff-hung Predjama Castle, cross Lake Bled by pletna boat, and explore Bled Castle. Guides such as Jacob, Nina, Tina, and Thomas are known for lively history and flexible pacing.

“This was an amazing day trip with the perfect balance of allowing for free time but not wasting time. The guide was knowledgeable, funny, and a great driver. The sites were unreal. I appreciated that we were given choices at each location.”

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From Ljubljana: Lake Bled & Postojna Cave with Entry Tickets - The morning meeting and van ride
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From Ljubljana: Lake Bled & Postojna Cave with Entry Tickets

3.Lake Bled & Postojna Cave with Entry Tickets

★★★★★★★★★★4.8 · 694 reviews · 11.5 hours · from $173

Spend 11.5 hours exploring Slovenia with an English-speaking driver-guide. Ride the underground train through Postojna Cave, visit Predjama Castle, then enjoy Lake Bled, Bled Castle, and optional Pletna boat ride. Guides such as Klemen, Tibor, Luka, and David are praised for clear stories, good timekeeping, and personal help.

“We had a lovely guide Kia. She was very lovely and knowledgeable about the area. She went out of her way to make us feel comfortable with timing of attractions etc. I would recommend this tour”

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From Trieste: Postojna Cave & Predjama Castle - Riding the underground train at Postojna Cave
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From Trieste: Postojna Cave & Predjama Castle

4.Postojna Cave & Predjama Castle

★★★★★★★★★★4.8 · 444 reviews · 6 hours · from $133

Travel from Trieste into Slovenia with a guide such as Ernest or Dean, then ride Postojna Cave’s underground electric train and walk through its huge halls. Finish at Predjama Castle, built into a 123-meter cliff. Shared transport, both entrance fees, and pickup are included. Bring a warm jacket and allow time for stairs.

“Great Tour! Our Guide Ernest was absolutely lovely and we had a great time at the sights. Definitely worth the money.”

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Lakes Bled & Bohinj and Vintgar Gorge Small-Group Day Trip from Ljubljana - Lake Bled, the pletna boat, and the island church
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Lakes Bled & Bohinj and Vintgar Gorge Small-Group Day Trip from Ljubljana

5.Lakes Bled & Bohinj and Vintgar Gorge Small-Group Day Trip from Ljubljana

★★★★★★★★★★5.0 · 279 reviews · 10 hours 30 minutes (approx.) · from $146

Travel from Ljubljana in an air-conditioned minivan with up to eight people, visiting Vintgar Gorge, Lake Bled and its island, Bled Castle, Lake Bohinj, and Škofja Loka. Guides such as Klemen, Jan, Ivan, and Claudi are praised for clear English, local knowledge, and a relaxed style. Bring sturdy shoes, swimwear, and cash for optional visits.

“The whole trip was great and properly planned, but I would prefer to have more time in Bohinj. Klemen was a great tour guide, very knowledgeable and overall experience was amazing. Great way to meet people from different nationalities.”

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Ljubljana: Lake Bled, Postojna Cave, and Predjama Day Tour - Postojna Cave and the little train underground
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Ljubljana: Lake Bled, Postojna Cave, and Predjama Day Tour

6.Lake Bled, Postojna Cave, and Predjama Day Tour

★★★★★★★★★★4.8 · 250 reviews · 10 hours · from $117

Travel from Ljubljana in a comfortable minivan with an English-speaking guide and a maximum of eight people. Visit Postojna Cave by underground train, hear the tale of knight Erazem at cliff-hung Predjama Castle, then cross Lake Bled by traditional pletna boat and visit Bled Castle. Admission fees are extra.

“What an amazing tour! The tour guide was so knowledgable and gave us so much interesting information about Slovenia that would have been hard to find out ourselves. He was funny and charming! I highly recommend this tour, it is truly worth it. The nature is astonishing also!”

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Ljubljana: UNESCO-Listed Škocjan Caves and Piran Day Trip - The Ljubljana pickup is easy, if you follow the instructions
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Ljubljana: UNESCO-Listed Škocjan Caves and Piran Day Trip

7.UNESCO-Listed Škocjan Caves and Piran Day Trip

★★★★★★★★★★4.9 · 237 reviews · 9.5 hours · from $111

Travel from Ljubljana by comfortable van to UNESCO-listed Škocjan Caves, then spend the afternoon in Piran. English-speaking guides such as Luka, Tibor, David, and Anna add local history and practical help. Expect a spectacular cave walk with many steps, coastal sightseeing, free time, and a long but worthwhile day.

“the tour was well planned our guide was excellent in everything we did . kind to everyone . it was a great day highly recommend your tour to everyone. we will be back David & Christina”

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Skocjan Caves, Lipica & Piran: Karst & Coast Small-Group Day Trip from Ljubljana - A small Karst food stop, if the timing works
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Skocjan Caves, Lipica & Piran: Karst & Coast Small-Group Day Trip from Ljubljana

8.Skocjan Caves, Lipica & Piran: Karst & Coast Small-Group Day Trip from Ljubljana

★★★★★★★★★★4.5 · 234 reviews · 10 hours 30 minutes (approx.) · from $125

Spend 10.5 hours touring Slovenia’s Karst region and Adriatic coast in a minivan limited to eight people. Visit Škocjan Caves, photograph Lipizzaner horses and Predjama Castle, then enjoy several free hours in Piran. Guides such as Klemen, Tjaša, Anna, and Primož Novak are praised for clear local insight and flexible planning.

“Overall agreat trip, Urban kept a nice pace, the caves were awesome, possibly more time required in Piran.”

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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled - Postojna Cave: Slovenia’s great underground show
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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled

9.Postojna Cave, Predjama Castle and Lake Bled

★★★★★★★★★★4.7 · 220 reviews · 11.5 hours · from $169

Spend 11.5 hours with an English-speaking guide visiting Postojna Cave, Predjama Castle, and Lake Bled from Ljubljana. Expect a comfortable van, cave train, optional Pletna boat, castle views, and free time in Bled. Guides such as Luka, Igor, Luca, and Benjamin are known for lively storytelling and useful local tips.

“Fantastic trip well worth doing, long day. Guide was great and very informative.”

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From Ljubljana: Postojna Cave & Predjama Castle Guided Trip - Seeing Predjama Castle Built into the Cliff
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From Ljubljana: Postojna Cave & Predjama Castle Guided Trip

10.Postojna Cave & Predjama Castle Guided Trip

★★★★★★★★★★4.8 · 185 reviews · 5 hours · from $76

Travel from Ljubljana in a silver Mercedes van with an English-speaking guide, often Ines, to Postojna Cave and Predjama Castle. Ride an underground train, walk through 12°C caverns, see the cave’s dragon fish, then tour the cliff-built castle with a multilingual audio guide. The group is limited to seven.

“Had a great day! Ignes was a good guide and easy conversationalist while driving. She gave us ample time between activities and helped us take photos. We also endured the worst ever hail storm in Slovenia in recent times in her van.”

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Ljubljana: Postojna cave & Predjama castle small group tour - Entering the 9°C world of Postojna Cave
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Ljubljana: Postojna cave & Predjama castle small group tour

11.Postojna cave & Predjama castle small group tour

★★★★★★★★★★5.0 · 161 reviews · 5 hours 30 minutes (approx.) · from $88

Travel from Ljubljana in an air-conditioned minivan with up to eight people, then explore Predjama Castle and Postojna Cave. Your English-speaking guide handles the road commentary and timing, while castle and cave admission costs extra. Expect stairs, a 9°C cave, a memorable electric train, and about five and a half hours away.

“Knowledgeable Good tour guide and comfortable ride. Enjoyed the experience but felt rushed. Suggestion guests probably need more time to explore and maybe eat.”

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From Ljubljana: Škocjan UNESCO Caves and Piran Full-Day Trip - Socerb Castle and the Gulf of Trieste
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From Ljubljana: Škocjan UNESCO Caves and Piran Full-Day Trip

12.Škocjan UNESCO Caves and Piran Full-Day Trip

★★★★★★★★★★4.9 · 138 reviews · 10 hours · from $101

Travel from Ljubljana in a comfortable minivan for a two-hour tour of Škocjan Caves, a short stop at Socerb Castle, and 3.5 hours in Piran. Guides such as Nina, Tomas, Emil, and Tomaš add local stories, restaurant tips, and occasional extra stops. Cave walks include many steps and slippery sections.

“A really Lovely way to see the Mediterranean side of Slovenia. The Škocjan caves are A MUST. They are different to the Postojna caves so don’t miss out thinking that if you’ve seen one, you’ve seen them all.”

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Bled Lake with Postojna Cave & Castle - small group - day trip from Ljubljana - Leaving Ljubljana in a small group
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Bled Lake with Postojna Cave & Castle – small group – day trip from Ljubljana

13.Bled Lake with Postojna Cave & Castle – small group – day trip from Ljubljana

★★★★★★★★★★4.5 · 127 reviews · 10 hours 30 minutes (approx.) · from $193

Spend about 10.5 hours seeing Slovenia’s headline sights with a maximum of eight people. Visit Postojna Cave by underground train, enter cliff-built Predjama Castle, and choose a Pletna boat ride or Bled Castle visit. English-speaking guides vary, with Ivan, Borut, Klemen, Kaya, and others praised for useful local insight.

“Was amazed by the Postjona Cave. I took lots of pictures, but they are so dull compared to what we saw. The castle was special, and the lake was serene. A wonderful trip.”

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From Ljubljana: Postojna Cave, Predjama Castle, & Piran Tour - Three hours in Piran, Slovenia’s coastal showpiece
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From Ljubljana: Postojna Cave, Predjama Castle, & Piran Tour

14.Postojna Cave, Predjama Castle, & Piran Tour

★★★★★★★★★★5.0 · 110 reviews · from $124

Travel from Ljubljana in a small group of up to eight with an English-speaking guide such as Nate, Emil, or Samir. Ride the train through Postojna Cave, explore cliff-hung Predjama Castle, and spend three hours in seaside Piran. Cave and castle tickets cost an extra €41 with the tour discount.

“the guide was flexible so he took us to Piran first which was very smart because we had great sunny weather there, then it rained after we left Piran but it was fine because we were mostly inside. Drive and views were beautiful.”

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Skocjan UNESCO Caves and Piran full day tour (small group, max. 8) - Socerb Castle adds a high viewpoint
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Skocjan UNESCO Caves and Piran full day tour (small group, max. 8)

15.Skocjan UNESCO Caves and Piran full day tour (small group, max. 8)

★★★★★★★★★★5.0 · 109 reviews · 10 hours (approx.) · from $130

Travel from Ljubljana in a small group of up to eight to see the vast Škocjan underground canyon, pause at Socerb Castle, and explore Piran. Expect an English-speaking guide, about two hours inside the caves, free time for food or a swim, and plenty of stairs. Cave entry and Piran’s walls cost extra.

“Great day out. The caves were amazing especially the river running through them. Although there were three parties going through the caves at the same time, it felt peaceful. Our tour guide for the day was full of interesting facts about Slovenia, and also was keen to go by the back roads so that we saw more of the culture.”

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