Municipality of Cerknica

Ice from Lake Cerknica, the largest intermittent lake in Europe, used to be exported all the way to Mumbai, India, but now the lake might eventually be left dry due to climate change. Water levels have been dropping for years, which increasingly affects the lake's ecosystem.

Slovenia has a plethora of karst caves but Križna Cave is one of the few that can be visited on a boat. The number of visitors is restricted and those wishing to see more than one lake should book well in advance.