Klak is the stony peak, which is situated in the south part of Lucanska Fatra (national natural park). Park is in the sea elevation 1050–1350m. Park is protecting rare and proved limed vegetation at the peak. Hiking path is going through the reservation. Bases of the past cottages are situated under the peak Klak. Memory desk with information about Soviet troopers (they jumped down to help Slovakian at national rising) is situated next to the bases.