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Slovenia

Notranjsko-kraška

Routes
Places to see
Slovenia

Notranjsko-kraška

Attractions and Places To See in Notranjsko-kraška - Top 20

Best attractions and places to see in Notranjsko-kraška are largely defined by its distinctive karst landscape, featuring extensive cave systems and unique hydrological phenomena. This Slovenian region offers a diverse range of natural wonders, historical landmarks, and cultural sites. Visitors can explore subterranean worlds, ancient ruins, and remarkable disappearing lakes. The area provides opportunities to observe geological processes and rich biodiversity.

Best attractions and places to see in Notranjsko-kraška

  • The most popular attractions is Predjama Castle, a castle built into a rock face. This 13th-century cave castle features restored living quarters, dungeons, and a secret tunnel.
  • Another must-see spot is Zelške Caves, a cave system where the Rak River originates. The river flows through this 3 km long cave system, which is part of the Rakov Škocjan Karst Reserve.
  • Visitors also love Postojna Cave, a cave system renowned for its stunning formations and an underground train. It is one of Slovenia's most popular tourist attractions and houses a Vivarium with the unique proteus.
  • Notranjsko-kraška is known for its impressive caves, historical castles, and unique natural reserves. The region offers a variety of attractions, from subterranean wonders to picturesque landscapes and cultural heritage sites.
  • The attractions in Notranjsko-kraška are appreciated by the komoot community, with over 140 upvotes and more than 290 photos shared.

Last updated: May 11, 2026

Zelške Caves

Highlight • Cave

Zelške jame caves

The entrance to the water caves from which the Rak River springs is under the small natural bridge in the Rakov Škocjan Karst Reserve. The water that seeps into the western part of Lake Cerkniško jezero continues its path right through this 3 km long cave system. The cave used to be even longer, but after the cave ceiling collapsed, the Rakov Škocjan gorge was formed and only the small and large natural bridges remain from the former ceiling.

Definitely worth seeing!

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The Rakov Škocjan Karst Reserve

Rakov Škocjan is a picturesque karst canyon that was formed when the cave ceiling collapsed. This is proven by the mighty natural bridges that rise 40 m above the river Rak. On a walk from the small to the large natural bridge, in the shade of hundred-year-old trees, you will witness geological processes that have been taking place for millions of years. The fact that the Rakov Škocjan area was declared the first Slovenian landscape park in 1949 proves that this 2.5 km long gorge is indeed something special.

You can discover 2 natural bridges, passage caves (temporarily water-bearing) and an incredibly beautiful nature. The route is very interesting and varied. Sturdy shoes are recommended.

notranjska.com/en/sights/natural-sights/karst-reserve-rakov-skocjan

There are no parking fees and no entrance fee.

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Postojna Cave

Highlight • Cave

Really fantastic cave system. Is the largest show dripstone cave in Europe and the second largest in the world. Guided tours are available in several languages ​​or via audio guide. With the tunnel train you drive into the mountain interior and can already gain a lot of great impressions here. It continues on, yes really, well-developed paths. The tour lasts about 1 ½ hours in total.
Recommended. Book in bundle with the cave castle Predjama. Also megatoll and about 7 km away.

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Predjama Castle

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13th-century cave castle built into a rock face with restored living quarters, dungeons and secret tunnel.

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Veliki Snežnik summit

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From Ilirska Bistrica by car to Sviščaki, from there the trail is marked to the summit.
My tour: komoot.de/tour/12725777?ref=wtd
On a clear day, the summit can be seen as a large part of Slovenia and nearby Croatia.
Info: de.wikipedia.org/wiki/Krainer_Schneeberg

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The way down is steep and slippery when wet. You should be surefooted. But it's worth it. It's gorgeous down here. You can't see the bridge from above. There is also a path on the other side of the bridge that leads back up to the road, but it is not marked.

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We were intrigued and wanted to know if you couldn't really see the river. So we scrambled into the cave, squeezed through the narrow, short (careful, it was quite slippery for us) gap and were rewarded. Here you have a window like to another world.
Unfortunately, the sun was very unfavorable for the pictures at the time, so you didn't see much. All I can say is look!
You look into a cave and below the river flows out with rapids, just great!
Attention ⚠!! after the hole it goes down a few meters vertically, so keep your distance from the edge!

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Vojkova koča on Nanos (1240m) is a mountain lodge below the top of Pleša (1262m) on the high karst plateau of Nanos. It was opened in 1949 and is named after the national hero Janko Premrl-Vojko (1920 -1943). It is managed by the Postojna Mountaineering Association and is open from the beginning of June to the end of September from 5 pm from Wednesday to Sunday evening, and in other months on Saturdays, Sundays and public holidays. It has two restaurants with 82 seats and a bar. It offers accommodation in a room with 4 beds and in two dormitories with 48 beds.

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Absolute dream view from the summit. However, you have to earn the look. Depending on the route from demanding to hard. The ground is mostly good to ride, but the incline varies. Feasible with MTB translation, quite exciting with Gravel. Please leave the place clean, there is a large garbage can behind the church! No water point, so bring enough with you.

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Hiking in Notranjsko-kraška

Other adventures in Notranjsko-kraška

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Fabian
November 9, 2025, Veliki Snežnik Summit

360° panoramic view. Food can be purchased in a hut.

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last 100m very steeply

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Big photogenic ruin, but unfortunately closed for access

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The ruins of the old Baroque castle rise above the Unica River gorge in the southern part of the Planina Plain. The Hošperk Castle (Haasberg) was built by the Eggenberg princes at the beginning of the 17th century, at the foot of an old medieval castle that was destroyed by an earthquake. At that time, the castle was considered the most powerful Baroque castle in Slovenia. It was famous for its rich interior and beautiful park, which unfortunately is only partially preserved today. The last owner of the castle was the Windischgrätz family, who purchased it in 1846. During the Second World War, the nobles emigrated to Italy and the castle was occupied first by the Italian army, then by the German army, and in 1944 it was burned down. The valuable interior furnishings, the family archive and the family tomb of the last owners of the Windischgrätz Castle were completely destroyed.

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The ruins of the old Baroque castle rise above the Unica River gorge in the southern part of the Planina Plain. The Hošperk Castle (Haasberg) was built by the Eggenberg princes at the beginning of the 17th century, at the foot of an old medieval castle that was destroyed by an earthquake. At that time, the castle was considered the most powerful Baroque castle in Slovenia. It was famous for its rich interior and beautiful park, which unfortunately is only partially preserved today. The last owner of the castle was the Windischgrätz family, who purchased it in 1846. During the Second World War, the nobles emigrated to Italy and the castle was occupied first by the Italian army, then by the German army, and in 1944 it was burned down. The valuable interior furnishings, the family archive and the family tomb of the last owners of the Windischgrätz Castle were completely destroyed.

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The ruins of Haasberg Castle, once considered one of the most beautiful Baroque castles in Slovenia and, with its valuable inventory, also one of the richest, stand near Planina pri Rakeku above the gorge of the Unica River.

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This gorge is super beautiful and very impressive.

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Beautiful little cave that invites you to go in. Be careful, there's a drop at the end.

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Frequently Asked Questions

What natural features can I explore in Notranjsko-kraška?

Notranjsko-kraška is renowned for its unique karst landscape. You can explore extensive cave systems like Postojna Cave, Zelške Caves, Križna Cave, and Planina Cave. The region also features the remarkable intermittent Lake Cerknica, which dramatically changes size with the seasons, and the picturesque Rakov Škocjan Karst Reserve with its natural bridges.

Are there any historical castles or ruins to visit in Notranjsko-kraška?

Yes, the region boasts several historical landmarks. The most popular is Predjama Castle, a 13th-century cave castle built into a rock face, featuring restored living quarters and a secret tunnel. You can also visit the ruins of Haasberg Castle (Hošperk Castle), a once-magnificent Baroque castle, and Snežnik Castle, which has been converted into a museum.

What kind of outdoor activities can I do in Notranjsko-kraška?

The diverse landscape of Notranjsko-kraška is perfect for various outdoor activities. You can enjoy hiking, cycling, and birdwatching, especially around Lake Cerknica and within the Notranjska Regional Park. There are also specific guides for easy hikes, gravel biking, and mountain hikes, offering routes for all skill levels.

Are there family-friendly attractions in Notranjsko-kraška?

Absolutely. Postojna Cave is a great family attraction, offering an underground train ride and a Vivarium with the unique proteus. The paths within the cave are well-developed, and even those with limited mobility can enjoy parts of the experience. Exploring the Rakov Škocjan Karst Reserve with its natural bridges also offers an engaging outdoor adventure for families.

Where can I find panoramic views in the Notranjsko-kraška region?

For breathtaking panoramic views, consider climbing Slivnica Mountain, which offers vistas of the Notranjska land, including Lake Cerknica, distant hills, and even the Alps on clear days. The Veliki Snežnik summit on the Snežnik plateau also provides expansive views, as does the Saint Trinity Church (Sveta Trojica) Summit.

What is unique about Lake Cerknica?

Lake Cerknica is one of Europe's largest intermittent lakes, meaning its size fluctuates dramatically. After heavy rains, it can become a vast lake, while during dry periods, it shrinks significantly, revealing a plain. This dynamic ecosystem is a prime location for hiking, cycling, swimming, and birdwatching, and its disappearing waters were famously studied in the 17th century.

Can I visit any water caves in Notranjsko-kraška?

Yes, the region is famous for its water caves. Križna Cave is a spectacular water cave known for its underground lakes and cave bear bones, offering a unique exploration experience with lanterns and boats. Planina Cave is Slovenia's largest water cave, where the Pivka and Rak rivers converge underground before emerging as the Unica River. The Zelške Caves within the Rakov Škocjan Karst Reserve are also water caves where the Rak River originates.

What cultural sites are there in Notranjsko-kraška?

The Notranjska Museum Postojna is a key cultural site, preserving the region's heritage and featuring the Karst Museum, an interactive exhibition on the karst landscape. The Cultural Center Cerknica serves as a hub for cultural life in Notranjska Park, hosting various events, concerts, and educational programs.

What is the Rakov Škocjan Karst Reserve known for?

The Rakov Škocjan Karst Reserve is a picturesque canyon formed by a collapsed cave ceiling. It's famous for its impressive natural bridges, which rise up to 40 meters above the Rak River, and its passage caves. Declared Slovenia's first landscape park in 1949, it's an excellent place for walking amidst ancient trees and observing unique geological formations.

What is the best time of year to visit Notranjsko-kraška for outdoor activities?

Spring and autumn are generally ideal for outdoor activities in Notranjsko-kraška, offering pleasant temperatures for hiking and cycling. Spring brings lush greenery and active wildlife, while autumn showcases vibrant foliage. Summer is also popular, especially for water-related activities around Lake Cerknica, though some areas might be drier. Winter offers opportunities for snow activities, particularly in areas like Bloke, known as the birthplace of Slovenian skiing.

Are there options for easy hiking trails in Notranjsko-kraška?

Yes, Notranjsko-kraška offers several easy hiking options. You can find trails around Lake Cerknica and within the Notranjska Regional Park that are suitable for leisurely walks. For specific routes, check the Easy hikes in Notranjsko-kraška guide, which includes routes like the 'Waterfalls on the Iška' loop or the 'Notranjska Regional Park Parking Lot – Lake Cerknica' loop.

What do visitors particularly enjoy about the attractions in Notranjsko-kraška?

Visitors frequently praise the unique natural beauty and the sense of wonder found in the region's attractions. The underground train and stunning formations of Postojna Cave are highly recommended, as is the fascinating experience of Predjama Castle built into a rock face. The mystical atmosphere of the Rakov Škocjan Karst Reserve and the dynamic landscape of Lake Cerknica also leave lasting impressions.

Is there anything unique about the Bloke area?

The Bloke area holds historical significance as the cradle of Slovenian skiing tradition. It's also home to Glamping Lake Bloke, a unique glamping site featuring wooden sculptures and a cozy atmosphere, offering a different kind of accommodation experience.

Are there any specific tips for visiting Postojna Cave or Predjama Castle?

For Postojna Cave, it's highly recommended to book tickets in a bundle with Predjama Castle, as they are only about 7 km apart. The cave tour involves an underground train and about 1.5 km of walking on well-developed paths, with some inclines. Audio guides are available at both sites, providing rich historical and geological information. Dress warmly for the cave, as temperatures are consistently cool.

Are there any lesser-known natural wonders worth exploring?

Beyond the major attractions, the Iška Gorge offers a beautiful small cave and sawmill ruins, providing a glimpse into the region's natural and industrial past. The Lož Valley is also recognized for its scenic beauty and connection to the region's unique hydrology, offering a more tranquil experience of the Karstic waters.

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