Best canyons in Notranjsko-kraška are primarily shaped by karst processes, featuring unique geological formations. This region in Slovenia is characterized by its collapsed cave systems, underground rivers, and natural bridges. It offers a landscape where water has carved deep gorges and created extensive cave networks over millions of years. The area provides opportunities to explore these natural phenomena, showcasing the dynamic interaction between water and limestone.
Last updated: June 27, 2026
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Hiking in Notranjsko-kraška
It's a nice destination for a bit of hiking. There are many paths to explore and you can see the natural bridges, the lovely river, a cave etc. in beautiful woods
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It's hard not to be left speechless by the spectacles offered by the Raw River as it hides and reappears from underground.
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The Valley of the Shrimps (Rackov Skocjan) where the Race River in its path in and out of the earth gives karst phenomena of incredible beauty
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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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The canyons in Notranjsko-kraška are primarily shaped by unique karst processes. This region is renowned for its collapsed cave systems, extensive underground rivers, and spectacular natural bridges, which have been carved by water and limestone over millions of years. You can witness these geological wonders at sites like Rakov Škocjan and the Škocjan Caves.
For a family-friendly experience, Postojna Cave is highly recommended. It's known as one of the largest show dripstone caves in Europe, offering well-developed paths and a tunnel train for exploration, making it accessible for all ages and health conditions. The tour lasts about 1.5 hours and is available in multiple languages.
The region boasts several impressive natural features. At Rakov Škocjan, you can marvel at the Little Natural Bridge (Mali naravni most), a 42-meter-high natural arch, and the larger Big Natural Bridge (Veliki Naravni Most). The Škocjan Caves, a UNESCO World Heritage Site, feature one of the largest known underground canyons in the world, with towering walls and colossal chambers filled with dripstone formations.
Yes, the region offers historical insights. The Škocjan Caves Regional Park, which encompasses the caves, also contains archaeological finds from prehistoric settlements. Additionally, near the Cave and Sawmill Ruins at Iška Gorge, you can explore remnants of past human activity, adding a historical dimension to the natural landscape.
Beyond exploring the canyons themselves, the Notranjsko-kraška region offers diverse outdoor activities. You can find numerous hiking trails, including easy hikes around Lake Cerknica or more challenging mountain hikes. For cyclists, there are also extensive gravel biking routes, such as those around Lake Cerknica.
The best time to visit is generally during drier periods, typically from late spring to early autumn. While Rakov Škocjan is beautiful year-round, accessibility can be affected by high water levels, especially after heavy rains or in spring. The Škocjan Caves maintain a consistent cool temperature inside, making them a good option even on warmer days.
The Zelške Caves are the entrance to the water caves from which the Rak River springs. While you can freely visit the area around the Little Natural Bridge to see the river emerge, access to the full 3 km long cave system is restricted. Due to the cave's sensitivity, the annual number of visitors is limited, and some parts are only accessible to cavers.
When exploring Rakov Škocjan, sturdy shoes are highly recommended, as paths can be unpaved and slippery, especially when wet. The descent to the river level at the natural bridges can be steep. The area is a landscape park, offering a natural history trail. There are no parking or entrance fees for Rakov Škocjan.
The steep walls of Rakov Škocjan are home to a unique plant species called Justinova zvončica (Campanula Justiniana). This endemic bellflower is found only in this region of Slovenia and Gorski Kotar in Croatia, making it a special botanical highlight for visitors.
Visitors frequently praise the mystical and unique natural beauty of the region. Many are impressed by the geological processes visible at sites like Rakov Škocjan, with its natural bridges and collapsed cave systems. The well-arranged tours and impressive scale of Postojna Cave, including the cave train and multilingual guides, are also highly appreciated.
Yes, in the summer or during prolonged dry periods, you can walk under the Big Natural Bridge. Several paths lead down to the valley from the road above, allowing you to follow the dry stream. You can even continue to Weaver Cave, where the stream disappears underground, though the path back up from there can be quite steep.


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