mountain
A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
in southern
Serbia
Serbia (, ; Serbian: , , ), officially the Republic of Serbia (Serbian: , , ), is a landlocked country in Southeastern and Central Europe, situated at the crossroads of the Pannonian Basin and the Balkans. It shares land borders with Hung ...
, near the town of
Bujanovac
Bujanovac ( sr-cyr, Бујановац, ; sq, Bujanoc) is a town and municipality located in the Pčinja District of southern Serbia. Situated in the South Morava basin, it is located in the geographical area known as Preševo Valley. It is also ...
. Its highest peak ''Kalje'' has an elevation of above sea level. On the mountain, there is Kale-Krševica archeological site, dating from the 13th century BC. The Pčinja flows through the valley of Rujen.