Things to do in Postojna

Activities, attractions and tours

A castle built into a cliffside with a pathway and visitors.
A cave with stalactites and stalagmites.
A castle built into a cliffside, surrounded by dense forest.
A cave with stalactites and stalagmites.
A village with a church, houses, and a hill in the background.

Things to do


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Top places to visit

1. Postjona Cave

The Postojna Cave is an intricate network of tunnels decorated by stalagmites and other natural features. An electric train runs through the intriguing passageways, which lead deep into the hillside before opening up at the site of a magnificent Renaissance castle.
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A cave with stalactites and stalagmites.

2. Ljubljana Castle

Tour Ljubljana Castle (Ljubljanski grad), an iconic city landmark and a place to discover centuries of Slovene history. Perched atop the wooded Castle Hill, the castle rises above Ljubljana’s medieval Old Town with a mishmash of defensive walls, towers and turrets. Much of the complex dates to the 16th century but evidence suggests that there has been a castle here since the 12th century. In its long history Ljubljana Castle has served as a garrison, prison and royal residence.
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A historic castle on a hill with red-roofed buildings in the foreground.

3. Piazza Unita d'Italia

Piazza dell’Unità (or Piazza dell'Unità d’Italia) is a huge sea-facing square and a magnificent accomplishment of civic pride. Once a location for extravagant processions and celebrations, today a combination of landmark architecture and cultural events continue to make it the city’s pulsating heart. Designed by Giuseppe Bruni, Piazza dell'Unità is enclosed on three sides, with one open side looking out over the Gulf of Trieste. Visit the square to appreciate its architecture, attend concerts and enjoy people-watching opportunities.
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A large, ornate building with classical architecture, a waterfront, and people walking along the promenade.

4. Predjama Castle

Predjama Castle is a fascinating Renaissance relic embedded in the mouth of a cave. Dating back to the 13th century, the castle seems like something out of a dark fairy tale with its fortress-like façade, hidden passageway and historic legend. Learn the history of the structure as you traverse its eerie interior.
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A castle built into a cliffside with multiple windows and flags.

5. Triple Bridge

Triple Bridge (Tromostovje) is an intriguing pedestrian bridge that spans the Ljubljanica River. It’s a historic crossroads between Prešeren Square, Ljubljana’s central square and the city’s picturesque Old Town. Enjoy panoramic views of notable monuments from Triple Bridge, an idyllic place to stop and experience the enchanting atmosphere of Ljubljana’s spiritual heart.
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A canal with a boat, a bridge, and historic buildings.

6. Ljubljana Town Hall

Explore the art, architecture and history of Ljubljana Town Hall where the city government's power resides. The original building was constructed toward the end of the 15th century, but the current form dates back to early 18th-century reconstructions.
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A historic building with a clock tower, surrounded by classical architecture and red flowers.

What to do in Postojna


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Frequently asked questions

Is Postojna worth visiting?
Renowned for its walking trails and hiking, finding fun things to do in Postojna is a cinch. Make sure to add Pivka Jama to your itinerary when here.
How do I spend a day in Postojna?
Pivka Jama and Pustolovski Park are two awesome places to begin your adventures. Be sure to explore the dining and retail options in Postojna while you're there too.
What is the top tourist attraction in Postojna?
Don't go home without exploring Pivka Jama, ranked the top tourist attraction in Postojna.
Is three days enough to stay in Postojna?
Three days in Postojna is more than enough to enjoy the city's main highlights. Many guests book for two days on average. Pivka Jama, Planina Cave and Black Cave are highly rated sights. Like to discover more? Hang around a little longer to visit nearby hotspots such as Ljubljana.
What are some activities to do in Postojna with kids?
What to do in Postojna for adults?
Lake House Museum is one of the best things to do in Postojna. With loads of activities available, there's something here for everyone to explore.
Are there free things to do in Postojna?
There's a range of free things to do in Postojna. Unwind in the parks or join in on free events and festivals. Postojna offers lots of budget-friendly experiences that let you discover the area without taking your wallet out.