Víjer Punkva

The karst river Punkva rises to the surface in Pusté žleb, 1,5 km upstream from the Skalní Mlýn resort. Originally, it was only a small spring cave with a massive portal, ending in a siphon. At lower water levels, a number of karst researchers tried to penetrate into the interior of this water cave in the past centuries. Only the 20th century brought a breakthrough, because at the beginning of the twenties by shooting down…