17 KARST. All karst phenomena in the world derive their name from Slovenia’s Karst region. Underground caves, sinking streams, karst springs and disappearing springs, intermittent lakes, karst polje. Slovenia has them all!
Križna Jama Postojna Cave
The human fish
Famous caves in the Karst Postojna Cave: 20 kilometres of passages, galleries, chambers – the mostvisited cave in Europe! Škocjan Caves: a UNESCO World Heritage Site; Vilenica, the oldest show cave in Slovenia. Karst in the Alps Kaninski Podi: these potholes, with their entrances at a height of 2,200 metres above sea level, are among the deepest in the world; Snežna Jama on Mt Raduha: chambers with ice formations at a height of 1,556 metres above sea level. Karst lakes and rivers Lake Cerknica: an intermittent lake; when it is full, it is the largest lake in Slovenia! Križna Jama: a cave in the Notranjska Regional Park with 22 underground lakes; Divje Jezero near Idrija, a lake fed by waters from unexplored depths; Rakov Škocjan: a nature park with natural rock bridges, karst springs and caves.
The Karst of Dolenjska and Bela Krajina Kostanjevica Cave: 300 metres of marked paths among fairy-tale cave formations; Lahinja: a nature park with features characteristic of a shallow karst landscape; the Ice Cave on Mt Stojna: its bottom is covered by a frozen lake all year round! Life in caves The proteus or olm (Proteus anguinus), also known as the “human fish”, is the only exclusively cave-dwelling vertebrate in Europe! It was first found and studied in Slovenia. See it in Slovenia’s caves!