
cave · Postojna
Postojna Cave
A 24 km cave system open to visitors since 1819, toured partly by underground electric railway.
- 1 h 40 min
- 1.5 km
- Highly rated
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The town above Slovenia’s most visited cave system, halfway between Ljubljana and the coast.
Postojna is a functional town whose reason for existing, touristically, is underground. The cave has been open to visitors since 1819, has an electric railway inside it, and is the type locality for the olm — the blind cave salamander. It sits directly on the Ljubljana–Koper motorway, which makes it the standard stop on any coast transfer, and Predjama Castle is ten minutes further on. The caves are 10°C year-round, so a jacket is needed even in August.

cave · Postojna
A 24 km cave system open to visitors since 1819, toured partly by underground electric railway.
castle · Postojna
A castle built into the mouth of a cave in a vertical cliff, ten minutes from Postojna Cave.










cave · Postojna
A 24 km cave system open to visitors since 1819, toured partly by underground electric railway.
castle · Postojna
A castle built into the mouth of a cave in a vertical cliff, ten minutes from Postojna Cave.