Postojna Cave & Predjama Castle Tour from Ljubljana: Skip the Line
Two major sites in one day, without arranging entry or transport yourself
A guided day trip from Ljubljana to Postojna Cave and Predjama Castle with entrance tickets, skip-the-line access, and pickup in central Ljubljana included. You'll ride an electric train through the cave system, walk past underground formations, then explore a medieval castle built into a cliff face.
Step-by-step itinerary
Visit Postojna Cave and Predjama Castle
- Enter Postojna Cave
- Ride electric train inside cave
- Guided walk through cave halls
- See Proteus Anguinus amphibian
- Exit cave to daylight
- Drive to Predjama Castle
- Enter and explore Predjama Castle
- Return to Ljubljana
- Postojna Cave Entry included 1h 30m
- Predjama Castle Entry included 1h
What’s included
- Entrance to Postojna Cave.
- entrance to Predjama Castle.
- audio guide at the castle.
- skip-the-line service.
- pickup and drop-off from central Ljubljana.
- air-conditioned vehicle.
- English-speaking driver-guide.
Times
- Monday to Wednesday 08:00 09:00 12:20 13:00
- Thursday to Sunday 08:00 09:00 12:20
Before you book
Operated by To do in Slovenia
Prices and times updated today
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The experience
The day starts with pickup in central Ljubljana and a drive to Postojna Cave, where you skip the line at the entrance. The cave system stretches 21 kilometers underground and formed over two million years. You'll ride an electric train through the passages, then walk on foot past stalactites, stalagmites, and translucent stone curtains. The caves stay at a constant 10°C (50°F), so a jacket matters more than the weather outside. The rare Proteus Anguinus, a blind amphibian locals call the "baby dragon," lives in this underground system.
After the cave, the tour heads to Predjama Castle, a medieval fortress built directly into a 100-meter vertical cliff. An audio guide walks you through the rooms and explains the castle's history as a robber knight's stronghold. The drive between the two sites passes through green countryside before the return to Ljubljana.
Your driver speaks English and handles all logistics: pickup timing, entry queues, and the route back. The vehicle is air-conditioned, and if you're traveling with small children, specialized infant seats are available. Wear comfortable walking shoes. The cave floor is uneven and flipflops won't work.
Is this one for you?Book this tour if you're arriving in Ljubljana and want to see two major sites without renting a car or navigating entry lines. The driver handles pickup, tickets and timing, so your first or free afternoon stays simple.
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Top questions
Can children come?
Yes. Ticket types: Child (3 to 12 years); Infant (under 3).
What's the Proteus Anguinus and why is it in the cave?
The Proteus Anguinus is a rare blind amphibian that lives in the Postojna cave system. It's adapted to the underground environment, and locals call it the "baby dragon."
Do I need to be fit to walk through the cave?
The tour is suitable for all physical fitness levels. You'll ride an electric train through the cave system, then walk on marked paths past the underground formations. The cave floor is uneven, so comfortable shoes are essential.
How cold is it inside Postojna Cave?
The cave stays at 10°C (50°F) all year, so bring a light jacket even if it's warm outside. The temperature doesn't change between seasons.
Postojna Cave & Predjama Castle Tour from Ljubljana: Skip the Line
6h · EN · at your hotel
from € 114 per person
≈ US$ 130 in your currency
Next, you choose your date and number of travelers and see the final price.