Caves guide · about an hour from Ljubljana
The caves of the Karst: Postojna Cave by underground train, Predjama Castle in its cliff, the UNESCO Škocjan Caves and the Lipizzaner horses of Lipica.
Slovenia feature
Rivers vanish underground into halls of stalactites, and a castle hides in the mouth of a cave.
Ride the railway into Postojna Cave, visit Predjama Castle, and stand above the underground canyon of Škocjan.
Read the full back story below, then plan your trip.
The back story
An underground world of halls and rivers, the olm, a castle in a cliff and the white horses of Lipica: the land that gave “karst” its name.
By underground train
One of Europe’s great show caves, toured by underground railway and on foot.
A castle in a cliff
A castle built into the mouth of a cave in a high cliff, about 10 km from Postojna.
UNESCO World Heritage
Caves with an underground canyon of the Reka river, a UNESCO World Heritage Site since 1986.
The Lipizzaners’ home
The stud farm founded in 1580, original home of the Lipizzaner horses.
MICHELIN Guide 2026
A bistro in Postojna, new to the MICHELIN Guide Slovenia in 2026.
Ulica 1. maja 1Explore View on map
About an hour
Postojna is about an hour from Ljubljana by train, bus or car; Škocjan is easiest by car.
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