It was built with natural steep cliff and surrounded by walls, was an insurmountable obstacle to the attackers. His owners have been throughout history, many rulers and noble families.  Fortified Kalnik large complex includes buildings, resulting in different periods. In the lower part of town, east side, you can spot the remains of the chapel of St. Catherine. The fort is being gradually abandoned by the mid-17th c  Great clearance and conservation works were carried out in 1963 and during 2004. begun with the planned multi-year continuing research and further conservation uncovered walls.  With the defense of the Old City of Tatars in the 13th century is related to the legend of'''' plum grower, or the defense of which, during the siege and in the absence of other foods, King Bela IV feeding on plums, and for the successful siege declared Withstanding Kalnik Nobles.