Caves and castles in Slovenia
Underground Slovenia: Postojna Cave with its train, UNESCO Škocjan Caves and the clifftop Predjama Castle, with tours from Ljubljana and the coast.
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Cave tours from Ljubljana: Postojna, Škocjan and Predjama day trips compared
Cave day trips from Ljubljana: Postojna, Škocjan and Predjama compared by bus, tour and car. Honest timing, prices and booking tips for 2026.
Križna Jama cave: Slovenia's best small-group underground lake experience
Križna Jama: 45 underground lakes, cave bear bones, max 4 visitors per guide. The most intimate cave in Slovenia — the anti-Postojna experience.
Postojna Cave guide: what to expect, honest pricing and whether it's worth it
Postojna Cave: honest guide to the cave train, stalactite chambers, Proteus vivarium, ticket prices and avoiding the worst crowds in 2026.
Postojna vs Škocjan: which Slovenian cave should you visit?
Postojna vs Škocjan: honest comparison of formations, crowds, prices and logistics to help you choose which Slovenian cave to visit in 2026.
Predjama Castle guide: the cave castle in the cliff and how to visit
Predjama Castle is built into a cave in a 123m cliff — one of Europe's most dramatic buildings. Tickets, history, the cave beneath and how to visit.
Škocjan Caves guide: the UNESCO canyon that puts Postojna in perspective
Škocjan Caves: UNESCO underground canyon 150m deep with a river. This guide covers the tour, ticket prices and what makes it different from Postojna.
Slovenia's caves: a complete overview of the Karst region's underground world
An overview of all major caves in Slovenia: Postojna, Škocjan, Keresztna Jama, Predjama and more. Which to visit, how to combine them and the best