Pištenik is a mountain in Croatia, located southeast of Plaški and northwest of Saborsko.

Its highest peak is 800 metres (2,600 ft) high.

[1] It hosts a 328 m (1,076 ft) deep karst pit called Balinka.

[2] In the 1960s, members of the local mountaineering society "HPD Željezničar" surveyed 45 speleological sites there, including a cave called Estavela Begovac with a depth of 260 m (850 ft).

[3] In a 1964 expedition to the Balinka Pit of the Croatian speleologists joined by the South Wales Caving Club, William Anthony Birchenough reached a depth of almost 700 feet.