Pištenik is a mountain in Croatia, located southeast of Plaški and northwest of Saborsko. Its highest peak is 800 metres (2,600 ft) high. It hosts a 328 m (1,076 ft) deep karst pit called Balinka. 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).