The highest peak is Lisec (Macedonian: Лисец) at 1,754 m, the length of main valley slopes of the peak Lisec is 34 km. The valley of Zrnovska river splits the mountain in two, eastern and western parts. The peak of the western part is Turtel at 1,689 m. Lisec is a popular climbing route for the local climbers, being one of the harder peaks to scale in this part of Macedonia. It is not unusual to have snow on the peak during the month of June. The peak is served by two mountain lodges: Vrteška from Štip's side and, Dzumaja from Radoviš's side.