Day trip Trieste to Postojna Cave: Cave train and walk

Ride the cave train into an underground labyrinth, then walk an easy path through chambers lit by natural formations

A half-day tour from Trieste to Postojna Cave in Slovenia includes a 90-minute cave experience with a short train ride through the cavern and a walk along a marked footpath, plus guide commentary in Slovenian, Italian, English or German. The 45-minute drive crosses the Italian-Slovenian border, so bring your passport or ID card. Cave entry tickets are not included in the tour price. The van holds up to eight passengers and includes air-conditioned transport and onboard WiFi.

The experience

The van picks you up in Trieste and heads toward Slovenia, crossing the border after about 45 minutes. Your driver shares facts about Slovenian culture and the region along the way. The cave itself sits in the town of Postojna, and the tour inside lasts an hour and a half. You'll board a small train that carries you through the main passages, then step out to walk an easy footpath through the chambers. Professional guides lead groups in Slovenian, Italian, English or German, and audio guides are available in 17 languages if you prefer to move at your own pace.

The cave stays at 10°C year-round, so bring a warm layer and sturdy walking shoes even if it's hot outside. After the cave tour finishes, you have up to 30 minutes to grab food, use the restroom or buy souvenirs before the drive back to Trieste. If you want to add Predjama Castle to the itinerary, the driver can arrange that for a small extra charge.

The whole trip takes about five hours from start to finish. Because groups often run as private tours, you may have the van to yourself or share it with one or two other travelers. Bring your passport or ID card. The border crossing is a requirement, not optional.

What’s included

• Hotel pickup in Trieste.
• air-conditioned van transport for up to eight passengers.
• onboard WiFi.
• professional cave guide in your choice of four languages or an audio guide in 17 languages.
• cave train ride and footpath walk lasting 90 minutes.
• return transport to Trieste.

Before you book

Days and timesEvery day

GroupUp to 8

Meeting point and pickupHotel pickup included.

Cancellation and refundsFree cancellation up to 24 h before the start. After that, no refund.It may be canceled due to bad weather. If that happens, you're offered another date or a refund.

Prices and times updated 2 days ago

Good to know

Easy physical levelStroller friendlyPublic transport nearbyNot for heart conditionsNot for back problems

Operated by S.K.V.

Is this one for you?The five-hour round trip leaves your morning or afternoon free depending on your departure time, so you can pair it with other activities in Trieste or spend the rest of the day exploring the city. Most departures run as private tours, meaning you travel with just your group rather than joining strangers.

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Top questions

What happens if it rains?

It may be canceled due to bad weather. If that happens, you're offered another date or a refund. Free cancellation up to 24 h before the start.

Do I need to buy the Postojna Cave entry ticket before I book the tour?

Postojna Cave entry tickets are not included in the tour price and must be purchased separately, either in advance or at the cave entrance on the day of your visit.

How long is the drive from Trieste to Postojna?

The drive takes 45 to 50 minutes each way. Your driver will share information about Slovenia and the region during the journey.

What languages do the cave guides speak?

Professional guides at Postojna Cave provide commentary in Slovenian, Italian, English and German. Audio guides are also available in 17 languages if you prefer to explore independently.

What should I wear inside the cave?

The cave temperature stays at 10°C throughout the year, so bring warm clothing and sports footwear with good grip. The walking path is easy and well-marked, but sturdy shoes help on the cave floor.

Can I visit Predjama Castle on the same day?

Yes, the driver can take you to Predjama Castle as well for a small additional surcharge if you want to add it to your itinerary.

Will I need my passport for this trip?

Yes, you must bring your passport or ID card because the tour crosses the international border between Italy and Slovenia.