Best of · POSTOJNA CAVE & PREDJAMA CASTLE

The 15 Best Postojna Cave & Predjama Castle Tours

20 tours  ·  from $68 a head

A cave train first, then a fortress grown into the cliff above it. The 15 below are the combined tickets and the day trips from Ljubljana, with the transfer times noted.

Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour - The road from Ljubljana to Inner Carniola
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Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour

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

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

Travel from Ljubljana to Postojna Cave and Predjama Castle with an English-speaking driver-guide such as Tibor, David, or Luca. Ride the cave train, walk through halls filled with limestone formations, learn about the human fish, and explore the castle with an audio guide.

“Fantastic tour. Guide David went the extra mile which was much appreciated.”

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Postojna Cave and Predjama Castle - Entrance Tickets Included - Predjama Castle under the stone arch
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Postojna Cave and Predjama Castle – Entrance Tickets Included

2.Postojna Cave and Predjama Castle – Entrance Tickets Included

★★★★★★★★★★5.0 · 938 reviews · 6 hours (approx.) · from $131Top rated

Travel from central Ljubljana to Postojna Cave and Predjama Castle in about six hours. Ride an electric train through the cave, walk its underground halls, then explore a cliff-built Renaissance castle with an audio guide. English-speaking guides such as Luca, Neža, and Maja provide commentary along the way.

“Excellent guide. Unbelievable knowledge of history. Very friendly. Best tour ever and we had many of them.”

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Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle - Postojna Cave: a train ride into the karst
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Slovenia in One Day: Lake Bled, Postojna Cave and Predjama Castle

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

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

Travel by air-conditioned minivan with up to eight people from Ljubljana to Postojna Cave, Predjama Castle, Lake Bled, Bled Island, and Bled Castle. Guides such as Nina, Tina, Thomas, Jacob, and Tine bring local history to life, while optional admissions and the pletna boat cost extra.

“This was an ideal tour to visit Postonja caves, Predjama Castle and Lake Bled all in one day from Ljubljana. The tour guide and driver was excellent, and we had enough time to visit all three places fully and return to Ljubljana on time. I highly recommend this tour.”

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From Trieste: Postojna Cave & Predjama Castle - Meeting your guide in Trieste
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From Trieste: Postojna Cave & Predjama Castle

4.From Trieste: 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, ride Postojna Cave’s underground train, walk through its vast chambers, then explore Predjama Castle built into a 123-meter cliff. The six-hour tour includes transport, both entrance fees, and pickup.

“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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Ljubljana: Postojna Cave and Predjama Castle Tour - The castle in the cliff at Predjama
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Ljubljana: Postojna Cave and Predjama Castle Tour

5.Ljubljana: Postojna Cave and Predjama Castle Tour

★★★★★★★★★★4.9 · 247 reviews · 5.5 hours · from $81

Travel from Ljubljana in a small van for a guided visit to Postojna Cave, including its famous cave train and walking route, then explore Predjama Castle with an audio guide. Guides such as Nate, David, and Emil add local history, humor, and practical help along the way.

“It’s been amazing experience there the guide was very nice and helpful to explain everything like the culture and some basic information of the city I think without these two experiences the Ljubljana city experience is incomplete these two places are must visit and Postojna cave experience was really amazing we really enjoyed it”

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From Ljubljana: Postojna Cave, Predjama Castle, & Piran Tour - Postojna Cave and the underground train
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From Ljubljana: Postojna Cave, Predjama Castle, & Piran Tour

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

★★★★★★★★★★5.0 · 244 reviews · 10 hours · from $128

Travel from Ljubljana in a van for up to eight people, visiting Postojna Cave by underground train, Predjama Castle, and seaside Piran. English-speaking guides such as Nate, David, Emil, and Tina provide history and practical help. Tickets cost extra, and warm clothes are essential for the cave.

“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 photos from the perfect photo spots. Couldn’t have asked for more Thank you for the wonderful day 😊”

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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled - The van ride from Ljubljana to Postojna
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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled

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

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

Travel from Ljubljana to Postojna Cave, cliff-built Predjama Castle, and Lake Bled in an air-conditioned van. Your English-speaking guide, such as Luca, Igor, or Kaya, handles the route and timing. Cave and castle tickets, Bled Castle, the Pletna boat, and church entry cost extra.

“we took the 11 hour day trip to the castle, lake bled and the cave. our guide was Benjamin who was the absolute BEST! he knew everyone's name and where they were from. Great trip, Great Guide! we thought we'd have a hard time as we are older. however, it rejuvenated us! the sights were beautiful. the cave is not difficult. there are stops for explanation along the way...giving time to catch your breath. Lake Bled boat ride was gorgeous, calming and fun. we saw a wedding on the island. Predjama castle we opted not to do since we had seen so many castles , and didn't want to tackle…”

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From Ljubljana: Postojna Cave & Predjama Castle Guided Trip - Entering Postojna Cave by Electric Train
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From Ljubljana: Postojna Cave & Predjama Castle Guided Trip

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

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

From Ljubljana, join Ines in a small Mercedes van for a half-day visit to Postojna Cave and Predjama Castle. Ride the cave train, walk through chilly chambers, see dragon fish in the vivarium, and use a multilingual audio guide at the castle. Entry tickets cost extra.

“This was an excellent day trip. Really enjoyed it. Ineś our guide was warm, friendly and informative.”

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From Ljubljana: Postojna Cave & Predjama Castle Half-Day - The journey from Ljubljana to the karst country
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From Ljubljana: Postojna Cave & Predjama Castle Half-Day

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

★★★★★★★★★★4.7 · 137 reviews · 5.5 hours · from $124

From Ljubljana, you’ll ride an electric train into chilly Postojna Cave, walk past striking limestone formations, then tour cliff-hung Predjama Castle. An English-speaking guide such as Rok, Nejc, or Nina handles the drive and local stories. The small group is limited to eight.

“Our guide Nejc shared a lot of cultural insights about Slovenia on the short drive and the tour itself was relaxed and offered a very unique experience, especially with the caves. Would highly recommend.”

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Postojna Cave & Predjama Castle from Trieste - From Trieste to Slovenia by arranged pickup
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Postojna Cave & Predjama Castle from Trieste

10.Postojna Cave & Predjama Castle from Trieste

★★★★★★★★★★4.5 · 122 reviews · 5 hours (approx.) · from $142

Travel from Trieste into Slovenia with a driver-guide, then ride an electric train through Postojna Cave and walk among its huge formations. Continue to Predjama Castle, built into a 123-meter cliff. English, Italian, and German options are available, with pickup arranged from hotels, the cruise terminal, or train station.

“Wow amazing tour words cannot describe what we experienced our guide Ernie was excellent as the driver 👍”

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From Zagreb: Ljubljana, Postojna Cave & Predjama Castle Tour - The drive from Zagreb in a small vehicle
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From Zagreb: Ljubljana, Postojna Cave & Predjama Castle Tour

11.From Zagreb: Ljubljana, Postojna Cave & Predjama Castle Tour

★★★★★★★★★★4.9 · 71 reviews · 12 hours · from $141

Travel from Zagreb in a comfortable van to Ljubljana, Predjama Castle, and Postojna Cave. You get guided walks, free time in Ljubljana, Wi-Fi, water, and a snack. Guides such as Antonio, Dino, and Stephen are known for strong local knowledge and attentive service.

“the tour was great. excellent guide Dino with good knowledge and friendly. the Predjama castle in the cave was brilliant and unique. lots of good audio explanation on the tour for the history. the Postojna caves were fascinating - good train ride inside and walk around the stalactites and stalagmites. recommend this trip”

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From Koper: Postojna Cave and Predjama Castle Tour - The drive inland from Koper or Piran
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From Koper: Postojna Cave and Predjama Castle Tour

12.From Koper: Postojna Cave and Predjama Castle Tour

★★★★★★★★★★4.7 · 60 reviews · 5 hours · from $133

Travel from Koper or Piran to Postojna Cave and Predjama Castle with an English, German, or Italian-speaking guide. Ride an underground electric train, look for the cave-dwelling olm, then tour a castle built into a 123-meter cliff. Guides such as Ernest, Ernie, Leon, and Mattias have led past departures.

“Leon was fantastic, he was informative and fun. He obviously loves his country and was enthusiastic to share that with us. The castle and caves are a must see and if you're lucky enough to have Leon as your guide you are sure to enjoy your day.”

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Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb - The morning ride through northern Croatia
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Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb

13.Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb

★★★★★★★★★★4.5 · 39 reviews · 11 to 12 hours (approx.) · from $143

Travel from Zagreb to Slovenia in a small group of up to eight. Walk Ljubljana’s old town, then visit cliff-built Predjama Castle and ride through Postojna Cave. The price is $143.79, but cave and castle admission, lunch, and the cathedral fee cost extra. Bring your passport and a jacket.

“Long but very nice tour that begins in Zagreb with the company Roundabout picking you wherever you are staying instead of making you to a centralized location. Our group were only 6 then we lost 2 as they realized they needed passports to cross into Slovenia and forgot them, our guide offered to drive back to pick them up, which would have wasted time, so they declined and took a taxi back to the city center. The rest continued to Slovenia. The border took a little bit of time and then it was smooth driving to Ljubljana. Due to the delay with the forgotten passports, waiting for a taxi for…”

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From Koper: 5-Hour Tour to Postojna Cave & Predjama Castle - Pack for 13°C, even in July
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From Koper: 5-Hour Tour to Postojna Cave & Predjama Castle

14.From Koper: 5-Hour Tour to Postojna Cave & Predjama Castle

★★★★★★★★★★4.6 · 34 reviews · from $79

Travel from Koper by air-conditioned coach with an English-speaking guide, then ride Postojna Cave’s electric train and walk through its vast underground chambers. You’ll also stop at Predjama Castle for photos. Luca has guided some departures, and warm layers are essential at 13°C.

“Took a little time to find our guide since the instruction in the email is different from the actual and no one updated us.”

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From Ljubljana: Lake Bled, Postojna Cave and Predjama Castle - Bled Castle and the first view of the lake
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From Ljubljana: Lake Bled, Postojna Cave and Predjama Castle

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

★★★★★★★★★★5.0 · 34 reviews · 11 hours · from $126

You’ll see three of Slovenia’s top sights in one 11-hour day with an English-speaking guide and a group of up to eight. Walk around Lake Bled, choose a Pletna boat ride, ride the train through Postojna Cave, and visit Predjama Castle. Guides include David, Nate, Dave, and Emil.

“great trip David was super knowledgeable and happy to answer any questions we had highly recommended!”

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