Castles · POSTOJNA CAVE & PREDJAMA CASTLE

The 13 Best Postojna Cave and Predjama Castle Tours

13 tours  ·  from $81 a head

A cave railway and a castle built into a cliff face, twenty minutes apart and almost always sold together. These 13 compare the combined tickets, the Ljubljana day trips and the Adriatic shore versions.

Ljubljana: Postojna Cave & Predjama Castle Tickets and Tour - Predjama Castle is strange, dramatic, and worth seeing
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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

From central Ljubljana, an English-speaking guide takes you to Postojna Cave and Predjama Castle. Ride the cave train, walk through a chilly world of stalactites and human fish, then explore the castle with an audio guide. The $115 price includes transport, both admissions, skip-the-line service, and city pickup.

“Super great tour kind, very warm and knowledgeable. Would recommend!”

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Postojna Cave and Predjama Castle - Entrance Tickets Included - Entering Postojna Cave by electric train
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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 with an English-speaking driver-guide. Ride an electric train through the cave, walk among its vast halls, then explore the cliff-built castle with an audio guide. Morning departures usually allow a calmer visit, while afternoon trips can feel rushed.

“I found the walking in the cave a bit challenging with wet footpaths and hand rails. I was so concerned about keeping up with the group I barely took time to enjoy the views. The path is quite steep in places.”

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

Leave Ljubljana at 8:20 am in a comfortable minivan limited to eight people. Ride the cave train through Postojna Cave, visit cliff-hung Predjama Castle, cross Lake Bled by pletna boat, and tour Bled Castle. Guides such as Nina, Tine, Thomas, Tina, and Jacob add local history, humor, and flexible advice along the way.

“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 Castle. Tina was very knowledgeable and shared lots of info with us.”

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From Trieste: Postojna Cave & Predjama Castle - Entering Postojna Cave by electric train
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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 to Slovenia in a comfortable shared van with a guide such as Ernest or Dean. Ride an electric train into Postojna Cave, walk through its vast halls, then tour Predjama Castle, built into a 123-meter cliff. The $133 price includes transport, guide, insurance, and both admission tickets.

“This was one of the best trips I've ever been on with THE best guide, Mea. Slovenia is stunning and both the castle and the caves are fantastic. What a wonderful day out! Our driver, Damien was great but Mea went above and beyond. She had maps, pictures, brochures and even a stalactite to share and her commentary was superb. 5* all the way. Thank you so much.”

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Ljubljana: Postojna Cave and Predjama Castle Tour - The one-hour ride from Ljubljana
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Ljubljana: Postojna Cave and Predjama Castle Tour

5.Postojna Cave and Predjama Castle Tour

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

Travel from Ljubljana in a small air-conditioned van with an English-speaking driver-guide such as Nate, David, or Emil. Ride through Postojna Cave’s huge chambers, then visit Predjama Castle with an audio guide. The $81 tour excludes admission, but the operator offers a 10% ticket discount.

“We had a nice day with our guide Emil. He provided a lot of interesting facts about Slovenia on the drive to the castle and the cave. We were lucky to book the caves during the Nativity scene which is only available 5 days per year, 25-30 of December. There is musical performances and special lights settings which makes it extra beautiful and special. The tour started by taking a cave train, then It is a bit of a walk in the cave, about a 5km stretch but it's worth it, as you will be mesmerized by the beauty of the cave, especially in this special light setting. Wonderful day,…”

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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.Postojna Cave, Predjama Castle, & Piran Tour

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

Travel from Ljubljana in a small group of up to eight people to Postojna Cave, Predjama Castle, and Piran. Expect an English-speaking driver-guide, a cave train and guided cave visit, a self-guided castle tour, coastal sightseeing, and free time in Piran. Nate, David, Emil, and Tina are among the guides who may lead the trip.

“It was definitely worth the money. We had a whole day tour with 3 of the top tourist attractions in Slovenia. Our tour guide Nate knows very well about the history of the places we went to as well as the country itself, he entertained us the whole trip and it was never a dull moment. Our Slovenia trip last November 4-7 was definitely a memorable one.”

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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled - Postojna Cave and its underground train
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From Ljubljana: Postojna Cave, Predjama Castle and Lake Bled

7.Postojna Cave, Predjama Castle and Lake Bled

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

Visit Postojna Cave by underground train and on foot, see cliff-built Predjama Castle, then enjoy Lake Bled, Bled Castle, and the optional Pletna boat. English-speaking guides such as Luca, Igor, and Benjamin add history, food tips, and local advice. Entry fees are extra.

“Our guide, Basil, was so friendly and knowledgeable about his country. It really enhanced the tour when he was able to add lots of obscure facts and stories, and the small group meant we had more freedom to pick and choose. I would suggest doing Lake Bled in the morning as most things were closed for the day in the off season by the time the got there. Then doing the caves and castle on a separate day. The whole country is just stunning and deserves to be appreciate and experienced.”

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Bled Lake with Postojna Cave & Castle - small group - day trip from Ljubljana - The Pletna boat and 99 steps to Bled Island
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Bled Lake with Postojna Cave & Castle – small group – day trip from Ljubljana

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

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

Travel from Ljubljana in a group of up to eight with an English-speaking guide to Lake Bled, Bled Castle, Postojna Cave, and Predjama Castle. You will ride Postojna’s underground train, walk through a vast karst cave, and have the option of taking a traditional Pletna boat to Bled Island. The day lasts about 10.5 hours and includes considerable walking.

“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 was able to practice my Spanish from all over: Spain, Chile, Colombia. Kudos to T and keep up the fantastic work!”

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Postojna Cave & Predjama Castle from Trieste - Postojna Cave begins with an electric train
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Postojna Cave & Predjama Castle from Trieste

9.Postojna Cave & Predjama Castle from Trieste

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

Travel from central Trieste into Slovenia for two remarkable sights in about five hours. Ride an electric train through Postojna Cave, walk among vast formations, then explore Predjama Castle, built into a 123-meter cliff. Pickup, transport, admission, and a driver-guide are included. Bring a passport, warm layer, and sturdy shoes.

“The caves were magnificent, jaw dropping actually. We couldn't believe how far we went in on the little train. Really enjoyed looking around the castle in the cave.”

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Postojna Cave and Castle Small-Group Day trip from Ljubljana - How the five-and-a-half-hour schedule works
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Postojna Cave and Castle Small-Group Day trip from Ljubljana

10.Postojna Cave and Castle Small-Group Day trip from Ljubljana

★★★★★★★★★★4.5 · 101 reviews · 5 hours 30 minutes (approx.) · from $128

Travel from Ljubljana in a small, air-conditioned vehicle to Predjama Castle and Postojna Cave. Expect an electric train through the cave, a guided or audio-guided castle visit, and about five and a half hours on the road. Guides such as Matej, Ksenija, Luka, and Tajsa have been praised for adding useful local history.

“Great guide! She was extremely knowledgeable about the whole country and its history. She was able to add much more to the stories of our destinations than we got from their on site tour guides.”

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Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb - Ljubljana’s bridges, cathedral, and central square
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Ljubljana, Postojna Cave and Predjama Castle Day Tour from Zagreb

11.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, with hotel pickup, an English-speaking guide, a Ljubljana walking tour, free time, Predjama Castle, and the train ride through Postojna Cave. Guides including Dino, Antonio, Stjepan, and Aleksandar have led this route. Admission tickets and lunch cost extra.

“The tour was great and the tour quide stevian was more great in show the best in cave and solvania Thanks”

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Postojna Cave & Predjama Castle - Shore Excursion from Rijeka - Inside Postojna Cave, the electric train is part of the fun
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Postojna Cave & Predjama Castle – Shore Excursion from Rijeka

12.Postojna Cave & Predjama Castle – Shore Excursion from Rijeka

★★★★★★★★★★4.5 · 10 reviews · 7 hours (approx.)

Travel from Rijeka in a small group of up to 15 people to Slovenia’s Postojna Cave and Predjama Castle. Your guide handles transport and admission, with pickup at a cruise terminal, hotel, station, or apartment. Expect an electric cave train, the rare olm, a castle built into a 123-meter cliff, and a cool 10°C underground visit.

“Having a knowledgeable local take us to the castle and cave made for a more relaxing experience. So easy with the pick up at the house where we were staying. Dejan shared about Slovene culture and history and educated us on local restaurant styles. We most enjoyed the cave tour—fascinating.”

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From Zagreb: POSTOJNA cave + Predjama castle + LJUBLJANA Day Tour - Ljubljana Old Town in a compact two-hour visit
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From Zagreb: POSTOJNA cave + Predjama castle + LJUBLJANA Day Tour

13.POSTOJNA cave + Predjama castle + LJUBLJANA Day Tour

★★★★★★★★★★5.0 · 8 reviews · 8 to 12 hours (approx.) · from $240

Travel from Zagreb into Slovenia with a private driver and guide, stopping at Postojna Cave, Predjama Castle, and Ljubljana Old Town. Guides such as Tanja and Milan have earned praise for flexible planning and local dining tips. Expect a full 8 to 12-hour day, with entrance fees costing about €46 per person extra.

“WOW - What a day! Truly spectactular experience - extremely personal and very welcoming from the Get-Go. Our guide, Tanja, made us feel immediately at ease whilst we settled down for the drive towards Slovenia. We were expecting to become part of a larger group tour however, the personal touch (it was just the pair of us & Tanja) made a huge difference to the overall experience. We found Tanja to be extremely knowledgeable on a variety of subjects (not just relevant to the tour ie Brexit) and more than happy to answer any questions we had. POSTOJNA Caves were amazing. Our initial decent into the caves is by mini…”

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By the kind of castle day, rather than the country.