Region guide
🇸🇮Karst, Postojna, Škocjan and Idrija
Slovenian Karst, Postojna, Škocjan, Idrija, caves, sinkholes, castles, mercury heritage, stone villages and Slovenia’s underground wonderland.
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What to see and do
Current weather
Average temperatures
Spring
Air11-19 °C
Summer
Air24-30 °C
Autumn
Air11-19 °C
Winter
Air0-6 °C
General information
Karst, Postojna, Škocjan and Idrija are Slovenia’s cave and limestone region, full of underground landscapes, stone villages, castles and unusual industrial heritage.
Trips and nature
The karst landscape is shaped by caves, sinkholes, dry valleys, limestone plateaus and underground rivers. Škocjan and Postojna are the major natural highlights.
Food and atmosphere
Idrija adds mercury mining heritage and lace traditions, while Predjama Castle and karst villages bring dramatic and rural character.
Transport and stay
Postojna is easy to reach, but a car helps for Škocjan, Idrija, villages and scenic karst roads.