SUVA PLANINA (Dry Mountain) is one of the most impressive mountain ranges in Serbia. The massif of Suva Planina is 35 km long and it is placed on SE from Niš town and it stretches in NW-SE direction as a last W part of Balkana system which after that continue to the Rodopi mountain system. The highest peak of Suva Planina range is Trem (1810 m) peak with its high and impressive vertical rocky NE wall dominate more than 1000 m above the Kosmovac village.