Population growth quickly in spirit of region autonomy these days is progressively improve the activity exploit to the natural resources for both in conversion forest and production forest area, even in area of protected forest which ought to be taken care and preserved do not miss from exploited activities. Fact indicate that the area nowadays have experienced of the enough damage because getting threat from various party. Those indication can be felt by various natural disaster of like : floods, dryness, landslide, land and forest fire, environmental contamination and global climate change. The target reached from this research are get detailly the information of various society activities which can threat to existence of protected forest area. Research method used is to secondary data in the form of boundary of protected forest area, boundary of mining concession and plantation obtained from related institution. Land cover obtained from interpretation of composite satellite image of year 2007 with the spatial resolution of 30 m and field survey. Primary data in the form of activity in protected forest area obtained by interview with village heads and also key respondent in or around of protected forest area. Boundary of protected forest area have been analysis spatially by the Geographical Information System (GIS), through overlay of shape file format data. Analysis the other data used is tabulation method. Result of this research indicate that threat in protected forest area is related of andesit stone mining, farming, plantation, ox pasturing, land and forest fire