Inner Carniola
Notranjska
Plan your trip to Inner Carniola
Inner Carniola is Slovenia's premier destination for underground exploration, centered around the spectacular Postojna Cave and its subterranean wonders. This compact region in central Slovenia offers a unique blend of karst geology, medieval heritage, and lush green landscapes perfect for a short but immersive getaway.
Getting there & around
The easiest access is through Ljubljana, Slovenia's capital, which is 50 km away and has an international airport. From Ljubljana, rent a car or take a direct bus to Postojna (1 hour drive or 1.5 hours by bus), which serves as the region's main hub. Local buses connect Postojna to other attractions, though having a car provides more flexibility for exploring the wider karst region.
How long to stay
Plan for 3-4 days to experience Inner Carniola's main attractions without rushing. This gives you time for cave exploration, surrounding villages, and outdoor activities like hiking or cycling through the karst landscape.
When to go
Spring (April-May) and autumn (September-October) offer ideal conditions with mild temperatures and lower humidity for cave visits. Summer (June-August) is busier and warmer underground; winter (November-March) is quieter but caves remain cool and damp year-round, so bring layers regardless of season.
Suggested itinerary
- Postojna Cave and Town Exploration — Spend your first day exploring Postojna Cave, the region's signature attraction, using the underground train to travel through massive halls and passages. In the afternoon, walk through Postojna's town center to see the medieval castle ruins and local museums.
- Predjama Castle and Karst Villages — Visit the dramatic Predjama Castle, built into a cliff face just 10 km from Postojna, and explore its cave passages. Afterward, drive through charming karst villages with traditional stone architecture and stop at local farms or wine producers.
- Outdoor Activities and Scenic Drives — Explore the region's natural beauty with hiking or cycling through the green karst landscape, visiting underground lakes, or touring other smaller caves. End the day visiting a traditional Slovenian farmhouse (tourist farm) for authentic local cuisine and hospitality.
Frequently asked questions
How long does it take to visit Postojna Cave?
A typical visit takes 2-3 hours, including the 1.5 km underground train ride and walking portions through the cave system. First-time visitors should allow extra time for queuing during peak season.
Is Inner Carniola worth visiting?
Yes, especially if you're interested in geology, caves, or medieval castles—Postojna Cave is one of Europe's largest and most visited show caves for good reason. However, if you're not interested in underground attractions, the region has less appeal compared to other Slovenian destinations.
Can you visit Postojna Cave year-round?
Yes, Postojna Cave is open daily year-round, though hours vary by season. Spring and autumn provide the most comfortable conditions for cave exploration due to moderate temperatures and humidity.
How far is Inner Carniola from Ljubljana?
Postojna, the region's main town, is approximately 50 km (30 miles) southwest of Ljubljana, making it a 1-hour drive or 1.5-hour bus ride from the capital.
What else is there to do besides caves?
Beyond cave exploration, you can visit Predjama Castle, hike or cycle through karst landscapes, tour traditional farmhouses, explore local villages, and visit wine regions. The area is also good for outdoor activities like rock climbing and caving for more experienced adventurers.
History
Inner Carniola, or Notranjska, has been inhabited since prehistoric times, with evidence of human settlement dating back thousands of years. During the Middle Ages, the region fell under the control of various feudal lords and the powerful Carniolan nobility, becoming an important cultural and economic center. The area experienced significant development during the Austro-Hungarian period, when its caves, forests, and distinctive landscape began attracting visitors and spurring infrastructure growth. In the 20th century, Notranjska was deeply affected by both world wars and played a role in Slovenia's independence movement.
Culture
Notranjska is renowned for its striking natural features, particularly its extensive cave systems like Postojna Cave and Škocjan Caves, which have shaped local identity and tourism for generations. The region maintains strong folk traditions, including distinctive music, dance, and crafts that reflect its rural heritage and connection to the land. Traditional beekeeping and local cuisine featuring forest mushrooms, game, and dairy products remain central to the cultural identity of its communities.
Language
The local dialect belongs to the Slovenian language family and features characteristic pronunciations and vocabulary influenced by the region's geography and history. Visitors will find that standard Slovenian is widely understood, and phrases like 'Hvala' (thank you) and 'Prosim' (please) are appreciated by the welcoming local population.
Best time to visit
Visit year-round, but spring and autumn offer the best conditions for cave exploration.
Places to visit
- Pivka River Valley — A scenic river valley flowing through limestone karst terrain, featuring the famous disappearing river phenomenon. The…
- Unica River Gorge — A beautiful limestone gorge carved by the Unica River, featuring scenic walking trails and pristine nature. The gorge s…
- Planina Cave — A cave system featuring an underground lake and river accessible to adventurous visitors through canyoning or cave-divi…
- Ribnica — A historic town famous for its traditional wooden craftsmanship and woodware production dating back centuries. Ribnica…
Where to eat
- Gostilna Sovdat (Slovenian Traditional, Postojna). Order: Kranjska klobasa with sauerkraut.
- Hiša Franko (Modern Slovenian, Kobarid). Order: Chef's tasting menu with foraged herbs and vegetables.
- Gostilna Loka (Slovenian Traditional, Škofja Loka). Order: Štruklji with meat filling.
- Restavracija Vas (Slovenian Modern, Novo Mesto). Order: Slow-cooked local beef with seasonal vegetables.
- Restavracija Stane (Slovenian Traditional, Idrija). Order: Idrijski štruklji.
- Gostilna pri Planinskem Drugoštu (Slovenian Shepherd Food, Planina). Order: Sour milk cheese with fresh bread.
- Restavracija Jama (International, Postojna). Order: Fresh pasta with local truffles.
- Gostilna Triglavski Lov (Slovenian Traditional, Radovljica). Order: Venison ragout with polenta.
- Okus Bele Krajine (Regional White Carniola, Črnomelj). Order: White Carniola bean stew with smoked meat.
- Restavracija Oljka (Slovenian Farm-to-Table, Dobrepolje). Order: Seasonal vegetable soup with house-made pasta.
- Gostilna Gradaščica (Slovenian Traditional, Vrhnika). Order: Eels in dark sauce.
- Restavracija Lind (Slovenian Contemporary, Logatec). Order: Duck breast with cherry gastrique and root vegetables.
- Gostilna Triglavska (Alpine Slovenian, Radovljica). Order: Honey cake with walnut cream.
- Restavracija Vinoteka Negovec (Slovenian Wine Cuisine, Novo Mesto). Order: Wine-braised beef cheeks with local Dolenjska wine reduction.