The 4 Best Postojna Cave Tours & Tickets

1.Postojna Cave & Predjama Castle Guided Trip

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

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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2.5-Hour Tour to Postojna Cave & Predjama Castle

★★★★★★★★★★4.6 · 34 reviews · from $79

Travel from Koper with an English-speaking guide to Postojna Cave, ride its electric train, and walk through its cool underground chambers. You’ll also stop at Predjama Castle for photos. Luca has guided some departures. Cave entry and transport are included, but castle admission is not.

“A must do if visiting the area! This tour is fantastic!”

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3.Postojna cave & Predjama castle small group tour

★★★★★★★★★★4.9 · 29 reviews · 5 hours · from $68Best value

Travel from Ljubljana by air-conditioned minivan to Postojna Cave, ride its famous underground train, and explore Predjama Castle on a five-hour morning tour. Your English-speaking guide handles the route and adds context about Slovenia, the cave, and Erazem of Predjama. Admission is extra, and warm clothes are essential.

“The guide was super. So informative, interesting and friendly. The caves and castle were excellent.”

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4.Postojna cave and bled lake day tour from Ljubljana

★★★★★★★★★★4.5 · 6 reviews · 6 hours · from $176

Travel from Ljubljana to two Slovenian highlights in a small group of up to eight. See Lake Bled from its best viewpoint, enjoy free time, sample Bled cake at a local bakery, then take Postojna Cave’s underground train and guided walk. English-speaking guide Tarun has earned praise for his friendly, helpful approach.

“It was a nice day trip, Postojna Cave is very interesting and Lake Bled is very beautiful. Our guide was really friendly. We've enjoyed it.”

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