★★★★★★★★★★4.9 · 71 reviews · 12 hours · from $141
Travel from Zagreb to Slovenia in a comfortable van with Wi-Fi, water, and a snack. Walk through Ljubljana, enter Predjama Castle built into a cave mouth, then ride an underground train through Postojna Cave. English-speaking guides such as Antonio, Dino, and Stephen have led this small-group day, which suits curious first-time visitors with warm clothes and good walking shoes.

“The organisation was outstanding and our two guides were very informative and interesting. Ljubljana is a beautiful little town where we had time to explore by ourselves after a tour around the centre. Predjama Castle is in a stunning setting and quite different to other castles I have seen. The cherry on the top was our excursion to Postojna Cave. The ride into the cave in the train was exciting as we saw more and more stalacmites, stalactites and columns. But that was nothing compared to what amazing caverns we walked through with the guide. Spectacular seems to be the best word to describe these formations.”
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