the 1960s and was visited by about 3,000 people per year. In one summer season of the 1980s, several tens of thousands tourists drafted along the river. The major objects of attraction are the river banks, boitsy rocks and their caves and grottoes. Many of these rocks are under state protection as natural monuments. About 200,000 people annually visit the Kungur Cave near Chusovoy. This labyrinth of karst caves was formed as a result of dissolution of gypsum and anhydrites by water at a depth of and is explored only up to about . References Rivers of Chelyabinsk Oblast Rivers of Sverdlovsk Oblast Rivers of Perm Krai